repo stringclasses 1k
values | file_url stringlengths 96 373 | file_path stringlengths 11 294 | content stringlengths 0 32.8k | language stringclasses 1
value | license stringclasses 6
values | commit_sha stringclasses 1k
values | retrieved_at stringdate 2026-01-04 14:45:56 2026-01-04 18:30:23 | truncated bool 2
classes |
|---|---|---|---|---|---|---|---|---|
eugenp/tutorials | https://github.com/eugenp/tutorials/blob/4463e58ffb73fe599bac2479abd84598c6e70a1a/core-java-modules/core-java-collections-maps-8/src/main/java/com/baeldung/map/castingmaptoobject/Country.java | core-java-modules/core-java-collections-maps-8/src/main/java/com/baeldung/map/castingmaptoobject/Country.java | package com.baeldung.map.castingmaptoobject;
public class Country {
private String name;
public Country() {
// default constructor needed for Jackson deserialization
}
public Country(String name) {
this.name = name;
}
public String getName() {
return name;
}
... | java | MIT | 4463e58ffb73fe599bac2479abd84598c6e70a1a | 2026-01-04T14:45:57.069771Z | false |
eugenp/tutorials | https://github.com/eugenp/tutorials/blob/4463e58ffb73fe599bac2479abd84598c6e70a1a/core-java-modules/core-java-collections-maps-8/src/main/java/com/baeldung/map/castingmaptoobject/Address.java | core-java-modules/core-java-collections-maps-8/src/main/java/com/baeldung/map/castingmaptoobject/Address.java | package com.baeldung.map.castingmaptoobject;
public class Address {
private String city;
private Country country;
public Address() {
// default constructor needed for Jackson deserialization
}
public Address(String city, Country country) {
this.city = city;
this.country = ... | java | MIT | 4463e58ffb73fe599bac2479abd84598c6e70a1a | 2026-01-04T14:45:57.069771Z | false |
eugenp/tutorials | https://github.com/eugenp/tutorials/blob/4463e58ffb73fe599bac2479abd84598c6e70a1a/core-java-modules/core-java-collections-maps-8/src/main/java/com/baeldung/map/castingmaptoobject/User.java | core-java-modules/core-java-collections-maps-8/src/main/java/com/baeldung/map/castingmaptoobject/User.java | package com.baeldung.map.castingmaptoobject;
import java.util.List;
public class User {
private Long id;
private String name;
private List<Address> addresses;
public Long getId() {
return id;
}
public void setId(Long id) {
this.id = id;
}
public String getName() {
... | java | MIT | 4463e58ffb73fe599bac2479abd84598c6e70a1a | 2026-01-04T14:45:57.069771Z | false |
eugenp/tutorials | https://github.com/eugenp/tutorials/blob/4463e58ffb73fe599bac2479abd84598c6e70a1a/core-java-modules/core-java-collections-maps-8/src/main/java/com/baeldung/map/maptruevaluecheck/MapValuesCheck.java | core-java-modules/core-java-collections-maps-8/src/main/java/com/baeldung/map/maptruevaluecheck/MapValuesCheck.java | package com.baeldung.map.maptruevaluecheck;
import java.util.Map;
import java.util.HashSet;
import java.util.Set;
public class MapValuesCheck {
public static boolean areAllValuesSameWithReduce(Map<String, Integer> map) {
if (map.isEmpty()) return true;
int firstValue = map.values().iterator().nex... | java | MIT | 4463e58ffb73fe599bac2479abd84598c6e70a1a | 2026-01-04T14:45:57.069771Z | false |
eugenp/tutorials | https://github.com/eugenp/tutorials/blob/4463e58ffb73fe599bac2479abd84598c6e70a1a/core-java-modules/core-java-swing/src/main/java/com/baeldung/clipboard/AwtClipboard.java | core-java-modules/core-java-swing/src/main/java/com/baeldung/clipboard/AwtClipboard.java | package com.baeldung.clipboard;
import java.awt.Toolkit;
import java.awt.datatransfer.Clipboard;
import java.awt.datatransfer.StringSelection;
import java.awt.datatransfer.Transferable;
import java.awt.datatransfer.UnsupportedFlavorException;
import java.io.IOException;
import java.awt.datatransfer.DataFlavor;
public... | java | MIT | 4463e58ffb73fe599bac2479abd84598c6e70a1a | 2026-01-04T14:45:57.069771Z | false |
eugenp/tutorials | https://github.com/eugenp/tutorials/blob/4463e58ffb73fe599bac2479abd84598c6e70a1a/core-java-modules/core-java-swing/src/main/java/com/baeldung/customfont/CustomFonts.java | core-java-modules/core-java-swing/src/main/java/com/baeldung/customfont/CustomFonts.java | package com.baeldung.customfont;
import javax.swing.*;
import java.awt.*;
import java.io.File;
import java.io.IOException;
import java.util.Arrays;
import java.util.List;
public class CustomFonts {
public static void main(String[] args) {
usingCustomFonts();
}
public static void usingCustomFonts(... | java | MIT | 4463e58ffb73fe599bac2479abd84598c6e70a1a | 2026-01-04T14:45:57.069771Z | false |
eugenp/tutorials | https://github.com/eugenp/tutorials/blob/4463e58ffb73fe599bac2479abd84598c6e70a1a/core-java-modules/core-java-collections-list-4/src/test/java/com/baeldung/list/addelementatindex/AddElementAtIndexUnitTest.java | core-java-modules/core-java-collections-list-4/src/test/java/com/baeldung/list/addelementatindex/AddElementAtIndexUnitTest.java | package com.baeldung.list.addelementatindex;
import org.junit.jupiter.api.Test;
import java.util.ArrayList;
import java.util.Arrays;
import java.util.List;
import java.util.Collections;
import static org.assertj.core.api.Assertions.assertThat;
class AddElementAtIndexUnitTest {
@Test
void givenArrayList_whe... | java | MIT | 4463e58ffb73fe599bac2479abd84598c6e70a1a | 2026-01-04T14:45:57.069771Z | false |
eugenp/tutorials | https://github.com/eugenp/tutorials/blob/4463e58ffb73fe599bac2479abd84598c6e70a1a/core-java-modules/core-java-collections-list-4/src/test/java/com/baeldung/list/creation/ArraysAsListUnitTest.java | core-java-modules/core-java-collections-list-4/src/test/java/com/baeldung/list/creation/ArraysAsListUnitTest.java | package com.baeldung.list.creation;
import org.junit.jupiter.api.Test;
import java.util.Arrays;
import java.util.List;
import static org.assertj.core.api.Assertions.assertThat;
import static org.junit.jupiter.api.Assertions.assertThrows;
class ArraysAsListUnitTest {
@Test
void givenAnArrayOfIntegersWhenCre... | java | MIT | 4463e58ffb73fe599bac2479abd84598c6e70a1a | 2026-01-04T14:45:57.069771Z | false |
eugenp/tutorials | https://github.com/eugenp/tutorials/blob/4463e58ffb73fe599bac2479abd84598c6e70a1a/core-java-modules/core-java-collections-list-4/src/test/java/com/baeldung/list/creation/ListOfUnitTest.java | core-java-modules/core-java-collections-list-4/src/test/java/com/baeldung/list/creation/ListOfUnitTest.java | package com.baeldung.list.creation;
import org.junit.jupiter.api.Test;
import java.util.List;
import static org.assertj.core.api.Assertions.assertThat;
import static org.junit.jupiter.api.Assertions.assertThrows;
class ListOfUnitTest {
@Test
void givenAnArrayOfStringWhenCreatingAListUsingItsValuesThenItWil... | java | MIT | 4463e58ffb73fe599bac2479abd84598c6e70a1a | 2026-01-04T14:45:57.069771Z | false |
eugenp/tutorials | https://github.com/eugenp/tutorials/blob/4463e58ffb73fe599bac2479abd84598c6e70a1a/core-java-modules/core-java-collections-list-4/src/test/java/com/baeldung/list/iteration/IterateListSimultaneouslyUnitTest.java | core-java-modules/core-java-collections-list-4/src/test/java/com/baeldung/list/iteration/IterateListSimultaneouslyUnitTest.java | package com.baeldung.list.iteration;
import static org.assertj.core.api.Assertions.assertThat;
import java.util.ArrayList;
import java.util.Iterator;
import java.util.List;
import java.util.stream.Collectors;
import org.junit.jupiter.api.Test;
import org.springframework.data.util.StreamUtils;
public class IterateLi... | java | MIT | 4463e58ffb73fe599bac2479abd84598c6e70a1a | 2026-01-04T14:45:57.069771Z | false |
eugenp/tutorials | https://github.com/eugenp/tutorials/blob/4463e58ffb73fe599bac2479abd84598c6e70a1a/core-java-modules/core-java-collections-list-4/src/test/java/com/baeldung/list/listofhashmaps/ListOfHashMapsUnitTest.java | core-java-modules/core-java-collections-list-4/src/test/java/com/baeldung/list/listofhashmaps/ListOfHashMapsUnitTest.java | package com.baeldung.list.listofhashmaps;
import static org.junit.jupiter.api.Assertions.assertTrue;
import java.util.ArrayList;
import java.util.Arrays;
import java.util.HashMap;
import java.util.List;
import org.junit.jupiter.api.Test;
class ListOfHashMapsUnitTest {
@Test
void givenMaps_whenAddToList_the... | java | MIT | 4463e58ffb73fe599bac2479abd84598c6e70a1a | 2026-01-04T14:45:57.069771Z | false |
eugenp/tutorials | https://github.com/eugenp/tutorials/blob/4463e58ffb73fe599bac2479abd84598c6e70a1a/core-java-modules/core-java-collections-list-4/src/test/java/com/baeldung/list/sorting/alphabetical/SortingListUnitTest.java | core-java-modules/core-java-collections-list-4/src/test/java/com/baeldung/list/sorting/alphabetical/SortingListUnitTest.java | package com.baeldung.list.sorting.alphabetical;
import static org.assertj.core.api.Assertions.assertThat;
import java.text.Collator;
import java.text.Normalizer;
import java.text.ParseException;
import java.text.RuleBasedCollator;
import java.util.ArrayList;
import java.util.Arrays;
import java.util.Collections;
impo... | java | MIT | 4463e58ffb73fe599bac2479abd84598c6e70a1a | 2026-01-04T14:45:57.069771Z | false |
eugenp/tutorials | https://github.com/eugenp/tutorials/blob/4463e58ffb73fe599bac2479abd84598c6e70a1a/core-java-modules/core-java-collections-list-4/src/test/java/com/baeldung/list/replace/ReplaceUsingIndexInArrayListUnitTest.java | core-java-modules/core-java-collections-list-4/src/test/java/com/baeldung/list/replace/ReplaceUsingIndexInArrayListUnitTest.java | package com.baeldung.list.replace;
import org.junit.jupiter.api.Test;
import java.util.ArrayList;
import java.util.Arrays;
import java.util.Collections;
import java.util.List;
import static org.assertj.core.api.Assertions.assertThat;
class ReplaceUsingIndexInArrayListUnitTest {
private static final List<Intege... | java | MIT | 4463e58ffb73fe599bac2479abd84598c6e70a1a | 2026-01-04T14:45:57.069771Z | false |
eugenp/tutorials | https://github.com/eugenp/tutorials/blob/4463e58ffb73fe599bac2479abd84598c6e70a1a/core-java-modules/core-java-collections-list-4/src/test/java/com/baeldung/list/tostring/ListToStringUnitTest.java | core-java-modules/core-java-collections-list-4/src/test/java/com/baeldung/list/tostring/ListToStringUnitTest.java | package com.baeldung.list.tostring;
import static org.assertj.core.api.Assertions.assertThat;
import java.util.Arrays;
import java.util.List;
import java.util.StringJoiner;
import java.util.stream.Collectors;
import org.junit.jupiter.api.Test;
class ListToStringUnitTest {
@Test
void givenAListOfString_when... | java | MIT | 4463e58ffb73fe599bac2479abd84598c6e70a1a | 2026-01-04T14:45:57.069771Z | false |
eugenp/tutorials | https://github.com/eugenp/tutorials/blob/4463e58ffb73fe599bac2479abd84598c6e70a1a/core-java-modules/core-java-collections-list-4/src/test/java/com/baeldung/list/aslistvssingletonlist/ArraysAsListVsSingletonListUnitTest.java | core-java-modules/core-java-collections-list-4/src/test/java/com/baeldung/list/aslistvssingletonlist/ArraysAsListVsSingletonListUnitTest.java | package com.baeldung.list.aslistvssingletonlist;
import org.junit.jupiter.api.Test;
import java.util.Arrays;
import java.util.Collections;
import java.util.List;
import static org.assertj.core.api.Assertions.assertThat;
import static org.assertj.core.api.AssertionsForClassTypes.assertThatExceptionOfType;
class Arra... | java | MIT | 4463e58ffb73fe599bac2479abd84598c6e70a1a | 2026-01-04T14:45:57.069771Z | false |
eugenp/tutorials | https://github.com/eugenp/tutorials/blob/4463e58ffb73fe599bac2479abd84598c6e70a1a/core-java-modules/core-java-concurrency-2/src/test/java/com/baeldung/concurrent/MyCounterThreadWeaverManualTest.java | core-java-modules/core-java-concurrency-2/src/test/java/com/baeldung/concurrent/MyCounterThreadWeaverManualTest.java | package com.baeldung.concurrent;
import static org.junit.Assert.assertEquals;
import org.junit.Test;
import com.google.testing.threadtester.AnnotatedTestRunner;
import com.google.testing.threadtester.ThreadedAfter;
import com.google.testing.threadtester.ThreadedBefore;
import com.google.testing.threadtester.Threaded... | java | MIT | 4463e58ffb73fe599bac2479abd84598c6e70a1a | 2026-01-04T14:45:57.069771Z | false |
eugenp/tutorials | https://github.com/eugenp/tutorials/blob/4463e58ffb73fe599bac2479abd84598c6e70a1a/core-java-modules/core-java-concurrency-2/src/test/java/com/baeldung/concurrent/MyCounterMultithreadedTCManualTest.java | core-java-modules/core-java-concurrency-2/src/test/java/com/baeldung/concurrent/MyCounterMultithreadedTCManualTest.java | package com.baeldung.concurrent;
import org.junit.Test;
import edu.umd.cs.mtc.MultithreadedTestCase;
import edu.umd.cs.mtc.TestFramework;
/**
* This is defined as a manual test because it tries to simulate the race conditions
* in a concurrent program that is poorly designed and hence may fail nondeterministically... | java | MIT | 4463e58ffb73fe599bac2479abd84598c6e70a1a | 2026-01-04T14:45:57.069771Z | false |
eugenp/tutorials | https://github.com/eugenp/tutorials/blob/4463e58ffb73fe599bac2479abd84598c6e70a1a/core-java-modules/core-java-concurrency-2/src/test/java/com/baeldung/concurrent/MyCounterJCStressManualTest.java | core-java-modules/core-java-concurrency-2/src/test/java/com/baeldung/concurrent/MyCounterJCStressManualTest.java | package com.baeldung.concurrent;
import static org.openjdk.jcstress.annotations.Expect.ACCEPTABLE;
import static org.openjdk.jcstress.annotations.Expect.ACCEPTABLE_INTERESTING;
import org.openjdk.jcstress.annotations.Actor;
import org.openjdk.jcstress.annotations.Arbiter;
import org.openjdk.jcstress.annotations.JCStr... | java | MIT | 4463e58ffb73fe599bac2479abd84598c6e70a1a | 2026-01-04T14:45:57.069771Z | false |
eugenp/tutorials | https://github.com/eugenp/tutorials/blob/4463e58ffb73fe599bac2479abd84598c6e70a1a/core-java-modules/core-java-concurrency-2/src/test/java/com/baeldung/concurrent/MyCounterSimpleManualTest.java | core-java-modules/core-java-concurrency-2/src/test/java/com/baeldung/concurrent/MyCounterSimpleManualTest.java | package com.baeldung.concurrent;
import static org.junit.Assert.assertEquals;
import java.util.concurrent.CountDownLatch;
import java.util.concurrent.ExecutorService;
import java.util.concurrent.Executors;
import org.junit.Test;
/**
* This is defined as a manual test because it tries to simulate the race condition... | java | MIT | 4463e58ffb73fe599bac2479abd84598c6e70a1a | 2026-01-04T14:45:57.069771Z | false |
eugenp/tutorials | https://github.com/eugenp/tutorials/blob/4463e58ffb73fe599bac2479abd84598c6e70a1a/core-java-modules/core-java-concurrency-2/src/test/java/com/baeldung/concurrent/MyCounterTempusFugitManualTest.java | core-java-modules/core-java-concurrency-2/src/test/java/com/baeldung/concurrent/MyCounterTempusFugitManualTest.java | package com.baeldung.concurrent;
import static org.junit.Assert.assertEquals;
import org.junit.AfterClass;
import org.junit.Rule;
import org.junit.Test;
import com.google.code.tempusfugit.concurrency.ConcurrentRule;
import com.google.code.tempusfugit.concurrency.RepeatingRule;
import com.google.code.tempusfugit.conc... | java | MIT | 4463e58ffb73fe599bac2479abd84598c6e70a1a | 2026-01-04T14:45:57.069771Z | false |
eugenp/tutorials | https://github.com/eugenp/tutorials/blob/4463e58ffb73fe599bac2479abd84598c6e70a1a/core-java-modules/core-java-concurrency-2/src/test/java/com/baeldung/concurrent/applyvsapplyasync/ThenApplyAndThenApplyAsyncUnitTest.java | core-java-modules/core-java-concurrency-2/src/test/java/com/baeldung/concurrent/applyvsapplyasync/ThenApplyAndThenApplyAsyncUnitTest.java | package com.baeldung.concurrent.applyvsapplyasync;
import org.junit.jupiter.api.Test;
import java.util.concurrent.CompletableFuture;
import java.util.concurrent.CompletionException;
import java.util.concurrent.ExecutorService;
import java.util.concurrent.Executors;
import static org.junit.jupiter.api.Assertions.asse... | java | MIT | 4463e58ffb73fe599bac2479abd84598c6e70a1a | 2026-01-04T14:45:57.069771Z | false |
eugenp/tutorials | https://github.com/eugenp/tutorials/blob/4463e58ffb73fe599bac2479abd84598c6e70a1a/core-java-modules/core-java-concurrency-2/src/test/java/com/baeldung/concurrent/completablefuture/CombiningCompletableFuturesUnitTest.java | core-java-modules/core-java-concurrency-2/src/test/java/com/baeldung/concurrent/completablefuture/CombiningCompletableFuturesUnitTest.java | package com.baeldung.concurrent.completablefuture;
import static org.assertj.core.api.Assertions.assertThat;
import static org.mockito.ArgumentMatchers.eq;
import static org.mockito.Mockito.mock;
import static org.mockito.Mockito.times;
import static org.mockito.Mockito.verify;
import static org.mockito.Mockito.when;
... | java | MIT | 4463e58ffb73fe599bac2479abd84598c6e70a1a | 2026-01-04T14:45:57.069771Z | false |
eugenp/tutorials | https://github.com/eugenp/tutorials/blob/4463e58ffb73fe599bac2479abd84598c6e70a1a/core-java-modules/core-java-concurrency-2/src/test/java/com/baeldung/concurrent/completablefuture/CompletableFutureUnitTest.java | core-java-modules/core-java-concurrency-2/src/test/java/com/baeldung/concurrent/completablefuture/CompletableFutureUnitTest.java | package com.baeldung.concurrent.completablefuture;
import static org.junit.jupiter.api.Assertions.assertEquals;
import static org.junit.jupiter.api.Assertions.assertFalse;
import static org.junit.jupiter.api.Assertions.assertThrows;
import static org.junit.jupiter.api.Assertions.assertTrue;
import static org.mockito.A... | java | MIT | 4463e58ffb73fe599bac2479abd84598c6e70a1a | 2026-01-04T14:45:57.069771Z | false |
eugenp/tutorials | https://github.com/eugenp/tutorials/blob/4463e58ffb73fe599bac2479abd84598c6e70a1a/core-java-modules/core-java-concurrency-2/src/test/java/com/baeldung/concurrent/mutex/MutexUnitTest.java | core-java-modules/core-java-concurrency-2/src/test/java/com/baeldung/concurrent/mutex/MutexUnitTest.java | package com.baeldung.concurrent.mutex;
import java.util.ArrayList;
import java.util.LinkedHashSet;
import java.util.List;
import java.util.Set;
import java.util.concurrent.ExecutorService;
import java.util.concurrent.Executors;
import java.util.concurrent.Future;
import java.util.concurrent.TimeUnit;
import org.junit... | java | MIT | 4463e58ffb73fe599bac2479abd84598c6e70a1a | 2026-01-04T14:45:57.069771Z | false |
eugenp/tutorials | https://github.com/eugenp/tutorials/blob/4463e58ffb73fe599bac2479abd84598c6e70a1a/core-java-modules/core-java-concurrency-2/src/main/java/com/baeldung/donerunnables/RunnableCompletionCheckerWithCompletableFuture.java | core-java-modules/core-java-concurrency-2/src/main/java/com/baeldung/donerunnables/RunnableCompletionCheckerWithCompletableFuture.java | package com.baeldung.donerunnables;
import java.util.List;
import java.util.concurrent.CompletableFuture;
import java.util.stream.Collectors;
import java.util.stream.IntStream;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
public class RunnableCompletionCheckerWithCompletableFuture {
private static f... | java | MIT | 4463e58ffb73fe599bac2479abd84598c6e70a1a | 2026-01-04T14:45:57.069771Z | false |
eugenp/tutorials | https://github.com/eugenp/tutorials/blob/4463e58ffb73fe599bac2479abd84598c6e70a1a/core-java-modules/core-java-concurrency-2/src/main/java/com/baeldung/donerunnables/RunnableCompletionCheckerWithThreadPoolExecutor.java | core-java-modules/core-java-concurrency-2/src/main/java/com/baeldung/donerunnables/RunnableCompletionCheckerWithThreadPoolExecutor.java | package com.baeldung.donerunnables;
import java.util.List;
import java.util.concurrent.Executors;
import java.util.concurrent.ThreadPoolExecutor;
import java.util.concurrent.TimeUnit;
import java.util.stream.Collectors;
import java.util.stream.IntStream;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
publi... | java | MIT | 4463e58ffb73fe599bac2479abd84598c6e70a1a | 2026-01-04T14:45:57.069771Z | false |
eugenp/tutorials | https://github.com/eugenp/tutorials/blob/4463e58ffb73fe599bac2479abd84598c6e70a1a/core-java-modules/core-java-concurrency-2/src/main/java/com/baeldung/concurrent/MyCounter.java | core-java-modules/core-java-concurrency-2/src/main/java/com/baeldung/concurrent/MyCounter.java | package com.baeldung.concurrent;
public class MyCounter {
private int count;
public void increment() {
int temp = count;
count = temp + 1;
}
public synchronized void incrementWithWait() throws InterruptedException {
int temp = count;
wait(100);
count = temp + ... | java | MIT | 4463e58ffb73fe599bac2479abd84598c6e70a1a | 2026-01-04T14:45:57.069771Z | false |
eugenp/tutorials | https://github.com/eugenp/tutorials/blob/4463e58ffb73fe599bac2479abd84598c6e70a1a/core-java-modules/core-java-concurrency-2/src/main/java/com/baeldung/concurrent/parallel/Processor.java | core-java-modules/core-java-concurrency-2/src/main/java/com/baeldung/concurrent/parallel/Processor.java | package com.baeldung.concurrent.parallel;
import org.openjdk.jmh.annotations.Benchmark;
import org.openjdk.jmh.annotations.BenchmarkMode;
import org.openjdk.jmh.annotations.Fork;
import org.openjdk.jmh.annotations.Mode;
import java.util.ArrayList;
import java.util.List;
import java.util.concurrent.CompletableFuture;
... | java | MIT | 4463e58ffb73fe599bac2479abd84598c6e70a1a | 2026-01-04T14:45:57.069771Z | false |
eugenp/tutorials | https://github.com/eugenp/tutorials/blob/4463e58ffb73fe599bac2479abd84598c6e70a1a/core-java-modules/core-java-concurrency-2/src/main/java/com/baeldung/concurrent/parallel/Benchmark.java | core-java-modules/core-java-concurrency-2/src/main/java/com/baeldung/concurrent/parallel/Benchmark.java | package com.baeldung.concurrent.parallel;
import java.io.IOException;
class Benchmark {
public static void main(String[] args) {
try {
org.openjdk.jmh.Main.main(new String[]{"com.baeldung.concurrent.parallel.Processor"});
} catch (IOException e) {
throw new RuntimeExceptio... | java | MIT | 4463e58ffb73fe599bac2479abd84598c6e70a1a | 2026-01-04T14:45:57.069771Z | false |
eugenp/tutorials | https://github.com/eugenp/tutorials/blob/4463e58ffb73fe599bac2479abd84598c6e70a1a/core-java-modules/core-java-concurrency-2/src/main/java/com/baeldung/concurrent/mutex/SequenceGeneratorUsingMonitor.java | core-java-modules/core-java-concurrency-2/src/main/java/com/baeldung/concurrent/mutex/SequenceGeneratorUsingMonitor.java | package com.baeldung.concurrent.mutex;
import com.google.common.util.concurrent.Monitor;
public class SequenceGeneratorUsingMonitor extends SequenceGenerator {
private Monitor mutex = new Monitor();
@Override
public int getNextSequence() {
mutex.enter();
try {
return super.ge... | java | MIT | 4463e58ffb73fe599bac2479abd84598c6e70a1a | 2026-01-04T14:45:57.069771Z | false |
eugenp/tutorials | https://github.com/eugenp/tutorials/blob/4463e58ffb73fe599bac2479abd84598c6e70a1a/core-java-modules/core-java-concurrency-2/src/main/java/com/baeldung/concurrent/mutex/SequenceGeneratorUsingReentrantLock.java | core-java-modules/core-java-concurrency-2/src/main/java/com/baeldung/concurrent/mutex/SequenceGeneratorUsingReentrantLock.java | package com.baeldung.concurrent.mutex;
import java.util.concurrent.locks.ReentrantLock;
public class SequenceGeneratorUsingReentrantLock extends SequenceGenerator {
private ReentrantLock mutex = new ReentrantLock();
@Override
public int getNextSequence() {
try {
mutex.lock();
... | java | MIT | 4463e58ffb73fe599bac2479abd84598c6e70a1a | 2026-01-04T14:45:57.069771Z | false |
eugenp/tutorials | https://github.com/eugenp/tutorials/blob/4463e58ffb73fe599bac2479abd84598c6e70a1a/core-java-modules/core-java-concurrency-2/src/main/java/com/baeldung/concurrent/mutex/SequenceGeneratorUsingSynchronizedBlock.java | core-java-modules/core-java-concurrency-2/src/main/java/com/baeldung/concurrent/mutex/SequenceGeneratorUsingSynchronizedBlock.java | package com.baeldung.concurrent.mutex;
public class SequenceGeneratorUsingSynchronizedBlock extends SequenceGenerator {
private Object mutex = new Object();
@Override
public int getNextSequence() {
synchronized (mutex) {
return super.getNextSequence();
}
}
}
| java | MIT | 4463e58ffb73fe599bac2479abd84598c6e70a1a | 2026-01-04T14:45:57.069771Z | false |
eugenp/tutorials | https://github.com/eugenp/tutorials/blob/4463e58ffb73fe599bac2479abd84598c6e70a1a/core-java-modules/core-java-concurrency-2/src/main/java/com/baeldung/concurrent/mutex/SequenceGeneratorUsingSemaphore.java | core-java-modules/core-java-concurrency-2/src/main/java/com/baeldung/concurrent/mutex/SequenceGeneratorUsingSemaphore.java | package com.baeldung.concurrent.mutex;
import java.util.concurrent.Semaphore;
public class SequenceGeneratorUsingSemaphore extends SequenceGenerator {
private Semaphore mutex = new Semaphore(1);
@Override
public int getNextSequence() {
try {
mutex.acquire();
return super.... | java | MIT | 4463e58ffb73fe599bac2479abd84598c6e70a1a | 2026-01-04T14:45:57.069771Z | false |
eugenp/tutorials | https://github.com/eugenp/tutorials/blob/4463e58ffb73fe599bac2479abd84598c6e70a1a/core-java-modules/core-java-concurrency-2/src/main/java/com/baeldung/concurrent/mutex/SequenceGenerator.java | core-java-modules/core-java-concurrency-2/src/main/java/com/baeldung/concurrent/mutex/SequenceGenerator.java | package com.baeldung.concurrent.mutex;
public class SequenceGenerator {
private int currentValue = 0;
public int getNextSequence() {
currentValue = currentValue + 1;
return currentValue;
}
}
| java | MIT | 4463e58ffb73fe599bac2479abd84598c6e70a1a | 2026-01-04T14:45:57.069771Z | false |
eugenp/tutorials | https://github.com/eugenp/tutorials/blob/4463e58ffb73fe599bac2479abd84598c6e70a1a/core-java-modules/core-java-concurrency-2/src/main/java/com/baeldung/concurrent/mutex/SequenceGeneratorUsingSynchronizedMethod.java | core-java-modules/core-java-concurrency-2/src/main/java/com/baeldung/concurrent/mutex/SequenceGeneratorUsingSynchronizedMethod.java | package com.baeldung.concurrent.mutex;
public class SequenceGeneratorUsingSynchronizedMethod extends SequenceGenerator {
@Override
public synchronized int getNextSequence() {
return super.getNextSequence();
}
}
| java | MIT | 4463e58ffb73fe599bac2479abd84598c6e70a1a | 2026-01-04T14:45:57.069771Z | false |
eugenp/tutorials | https://github.com/eugenp/tutorials/blob/4463e58ffb73fe599bac2479abd84598c6e70a1a/core-java-modules/core-java-concurrency-2/src/main/java/com/baeldung/runvssupply/RunAndSupplyCompare.java | core-java-modules/core-java-concurrency-2/src/main/java/com/baeldung/runvssupply/RunAndSupplyCompare.java | package com.baeldung.runvssupply;
import java.util.concurrent.CompletableFuture;
import java.util.concurrent.ExecutionException;
public class RunAndSupplyCompare {
public static void main(String args[]) throws ExecutionException, InterruptedException {
chainingOperationCompare();
}
public static... | java | MIT | 4463e58ffb73fe599bac2479abd84598c6e70a1a | 2026-01-04T14:45:57.069771Z | false |
eugenp/tutorials | https://github.com/eugenp/tutorials/blob/4463e58ffb73fe599bac2479abd84598c6e70a1a/core-java-modules/core-java-string-operations-2/src/test/java/com/baeldung/encoding/CharacterEncodingExamplesUnitTest.java | core-java-modules/core-java-string-operations-2/src/test/java/com/baeldung/encoding/CharacterEncodingExamplesUnitTest.java | package com.baeldung.encoding;
import java.io.BufferedReader;
import java.io.IOException;
import java.io.InputStreamReader;
import java.io.Reader;
import java.nio.charset.Charset;
import java.nio.charset.CharsetDecoder;
import java.nio.charset.CodingErrorAction;
import java.nio.charset.MalformedInputException;
import ... | java | MIT | 4463e58ffb73fe599bac2479abd84598c6e70a1a | 2026-01-04T14:45:57.069771Z | false |
eugenp/tutorials | https://github.com/eugenp/tutorials/blob/4463e58ffb73fe599bac2479abd84598c6e70a1a/core-java-modules/core-java-string-operations-2/src/test/java/com/baeldung/stringconcatenation/StringConcatenationUnitTest.java | core-java-modules/core-java-string-operations-2/src/test/java/com/baeldung/stringconcatenation/StringConcatenationUnitTest.java | package com.baeldung.stringconcatenation;
import org.junit.Test;
import java.util.Arrays;
import java.util.List;
import java.util.StringJoiner;
import java.util.stream.Collectors;
import static org.junit.Assert.assertEquals;
public class StringConcatenationUnitTest {
@Test
public void givenMultipleStrings_when... | java | MIT | 4463e58ffb73fe599bac2479abd84598c6e70a1a | 2026-01-04T14:45:57.069771Z | false |
eugenp/tutorials | https://github.com/eugenp/tutorials/blob/4463e58ffb73fe599bac2479abd84598c6e70a1a/core-java-modules/core-java-string-operations-2/src/test/java/com/baeldung/initialization/StringInitializationUnitTest.java | core-java-modules/core-java-string-operations-2/src/test/java/com/baeldung/initialization/StringInitializationUnitTest.java | package com.baeldung.initialization;
import org.junit.Test;
import static org.junit.Assert.*;
public class StringInitializationUnitTest {
private String fieldString;
void printDeclaredOnlyString() {
String localVarString = null;
System.out.println(localVarString); // compilation error
... | java | MIT | 4463e58ffb73fe599bac2479abd84598c6e70a1a | 2026-01-04T14:45:57.069771Z | false |
eugenp/tutorials | https://github.com/eugenp/tutorials/blob/4463e58ffb73fe599bac2479abd84598c6e70a1a/core-java-modules/core-java-string-operations-2/src/test/java/com/baeldung/changecase/ToUpperCaseUnitTest.java | core-java-modules/core-java-string-operations-2/src/test/java/com/baeldung/changecase/ToUpperCaseUnitTest.java | package com.baeldung.changecase;
import org.junit.Test;
import java.util.Locale;
import static org.junit.Assert.assertEquals;
public class ToUpperCaseUnitTest {
private static final Locale TURKISH = new Locale("tr");
private String name = "John Doe";
private String foreignLowercase = "\u0069";
@Te... | java | MIT | 4463e58ffb73fe599bac2479abd84598c6e70a1a | 2026-01-04T14:45:57.069771Z | false |
eugenp/tutorials | https://github.com/eugenp/tutorials/blob/4463e58ffb73fe599bac2479abd84598c6e70a1a/core-java-modules/core-java-string-operations-2/src/test/java/com/baeldung/changecase/ToLowerCaseUnitTest.java | core-java-modules/core-java-string-operations-2/src/test/java/com/baeldung/changecase/ToLowerCaseUnitTest.java | package com.baeldung.changecase;
import org.junit.Test;
import java.util.Locale;
import static org.junit.Assert.assertEquals;
public class ToLowerCaseUnitTest {
private static final Locale TURKISH = new Locale("tr");
private String name = "John Doe";
private String foreignUppercase = "\u0049";
@Te... | java | MIT | 4463e58ffb73fe599bac2479abd84598c6e70a1a | 2026-01-04T14:45:57.069771Z | false |
eugenp/tutorials | https://github.com/eugenp/tutorials/blob/4463e58ffb73fe599bac2479abd84598c6e70a1a/core-java-modules/core-java-string-operations-2/src/test/java/com/baeldung/trim/LTrimRTrimUnitTest.java | core-java-modules/core-java-string-operations-2/src/test/java/com/baeldung/trim/LTrimRTrimUnitTest.java | package com.baeldung.trim;
import org.apache.commons.lang3.StringUtils;
import org.junit.Assert;
import org.junit.Test;
import com.google.common.base.CharMatcher;
import java.util.regex.Pattern;
/**
* BAEL-3755: LTrim and RTrim examples.
*/
public class LTrimRTrimUnitTest {
private String src = " Whit... | java | MIT | 4463e58ffb73fe599bac2479abd84598c6e70a1a | 2026-01-04T14:45:57.069771Z | false |
eugenp/tutorials | https://github.com/eugenp/tutorials/blob/4463e58ffb73fe599bac2479abd84598c6e70a1a/core-java-modules/core-java-string-operations-2/src/test/java/com/baeldung/hexToAscii/HexToAsciiUnitTest.java | core-java-modules/core-java-string-operations-2/src/test/java/com/baeldung/hexToAscii/HexToAsciiUnitTest.java | package com.baeldung.hexToAscii;
import org.junit.Test;
import static org.junit.Assert.assertEquals;
public class HexToAsciiUnitTest {
@Test
public void whenHexToAscii() {
String asciiString = "http://www.baeldung.com/jackson-serialize-dates";
String hexEquivalent = "687474703a2f2f7777772e62... | java | MIT | 4463e58ffb73fe599bac2479abd84598c6e70a1a | 2026-01-04T14:45:57.069771Z | false |
eugenp/tutorials | https://github.com/eugenp/tutorials/blob/4463e58ffb73fe599bac2479abd84598c6e70a1a/core-java-modules/core-java-string-operations-2/src/test/java/com/baeldung/equalsIgnoreCase/StringEqualsIgnoreCaseUnitTest.java | core-java-modules/core-java-string-operations-2/src/test/java/com/baeldung/equalsIgnoreCase/StringEqualsIgnoreCaseUnitTest.java | package com.baeldung.equalsIgnoreCase;
import org.apache.commons.lang3.StringUtils;
import org.junit.Test;
import static org.assertj.core.api.Assertions.assertThat;
public class StringEqualsIgnoreCaseUnitTest {
private String string1 = "equals ignore case";
private String string2 = "EQUALS IGNORE CASE";
... | java | MIT | 4463e58ffb73fe599bac2479abd84598c6e70a1a | 2026-01-04T14:45:57.069771Z | false |
eugenp/tutorials | https://github.com/eugenp/tutorials/blob/4463e58ffb73fe599bac2479abd84598c6e70a1a/core-java-modules/core-java-string-operations-2/src/test/java/com/baeldung/contains/CaseInsensitiveWorkaroundsUnitTest.java | core-java-modules/core-java-string-operations-2/src/test/java/com/baeldung/contains/CaseInsensitiveWorkaroundsUnitTest.java | package com.baeldung.contains;
import org.apache.commons.lang3.StringUtils;
import org.junit.Assert;
import org.junit.Test;
import java.util.regex.Pattern;
/**
* BAEL-3739: Different ways to solve the contains() case insensitive behavior.
*/
public class CaseInsensitiveWorkaroundsUnitTest {
private String src... | java | MIT | 4463e58ffb73fe599bac2479abd84598c6e70a1a | 2026-01-04T14:45:57.069771Z | false |
eugenp/tutorials | https://github.com/eugenp/tutorials/blob/4463e58ffb73fe599bac2479abd84598c6e70a1a/core-java-modules/core-java-string-operations-2/src/test/java/com/baeldung/encodetoutf8/StringEncodeUnitTest.java | core-java-modules/core-java-string-operations-2/src/test/java/com/baeldung/encodetoutf8/StringEncodeUnitTest.java | package com.baeldung.encodetoutf8;
import static org.junit.Assert.assertNotEquals;
import static org.junit.jupiter.api.Assertions.assertEquals;
import java.nio.ByteBuffer;
import java.nio.charset.StandardCharsets;
import org.apache.commons.codec.binary.StringUtils;
import org.junit.Test;
public class StringEncodeUn... | java | MIT | 4463e58ffb73fe599bac2479abd84598c6e70a1a | 2026-01-04T14:45:57.069771Z | false |
eugenp/tutorials | https://github.com/eugenp/tutorials/blob/4463e58ffb73fe599bac2479abd84598c6e70a1a/core-java-modules/core-java-string-operations-2/src/main/java/com/baeldung/encoding/CharacterEncodingExamples.java | core-java-modules/core-java-string-operations-2/src/main/java/com/baeldung/encoding/CharacterEncodingExamples.java | package com.baeldung.encoding;
import java.io.BufferedReader;
import java.io.ByteArrayInputStream;
import java.io.File;
import java.io.FileInputStream;
import java.io.IOException;
import java.io.InputStreamReader;
import java.io.UnsupportedEncodingException;
import java.nio.charset.Charset;
import java.nio.charset.Cha... | java | MIT | 4463e58ffb73fe599bac2479abd84598c6e70a1a | 2026-01-04T14:45:57.069771Z | false |
eugenp/tutorials | https://github.com/eugenp/tutorials/blob/4463e58ffb73fe599bac2479abd84598c6e70a1a/core-java-modules/core-java-string-operations-2/src/main/java/com/baeldung/trim/LTrimRTrim.java | core-java-modules/core-java-string-operations-2/src/main/java/com/baeldung/trim/LTrimRTrim.java | package com.baeldung.trim;
import java.util.concurrent.TimeUnit;
import java.util.regex.Pattern;
import org.apache.commons.lang3.StringUtils;
import org.openjdk.jmh.annotations.Benchmark;
import org.openjdk.jmh.annotations.BenchmarkMode;
import org.openjdk.jmh.annotations.Fork;
import org.openjdk.jmh.annotations.Mode... | java | MIT | 4463e58ffb73fe599bac2479abd84598c6e70a1a | 2026-01-04T14:45:57.069771Z | false |
eugenp/tutorials | https://github.com/eugenp/tutorials/blob/4463e58ffb73fe599bac2479abd84598c6e70a1a/core-java-modules/core-java-string-operations-2/src/main/java/com/baeldung/contains/CaseInsensitiveWorkarounds.java | core-java-modules/core-java-string-operations-2/src/main/java/com/baeldung/contains/CaseInsensitiveWorkarounds.java | package com.baeldung.contains;
import java.util.concurrent.TimeUnit;
import java.util.regex.Pattern;
import org.openjdk.jmh.annotations.Benchmark;
import org.openjdk.jmh.annotations.BenchmarkMode;
import org.openjdk.jmh.annotations.Fork;
import org.openjdk.jmh.annotations.Mode;
import org.openjdk.jmh.annotations.Outp... | java | MIT | 4463e58ffb73fe599bac2479abd84598c6e70a1a | 2026-01-04T14:45:57.069771Z | false |
eugenp/tutorials | https://github.com/eugenp/tutorials/blob/4463e58ffb73fe599bac2479abd84598c6e70a1a/core-java-modules/core-java-datetime-conversion/src/test/java/com/baeldung/datetime/ConvertInstantToTimestampUnitTest.java | core-java-modules/core-java-datetime-conversion/src/test/java/com/baeldung/datetime/ConvertInstantToTimestampUnitTest.java | package com.baeldung.datetime;
import org.junit.Test;
import java.sql.Timestamp;
import java.text.DateFormat;
import java.text.SimpleDateFormat;
import java.time.Instant;
import java.time.format.DateTimeFormatter;
import java.util.TimeZone;
import static org.assertj.core.api.Assertions.assertThat;
public class Conv... | java | MIT | 4463e58ffb73fe599bac2479abd84598c6e70a1a | 2026-01-04T14:45:57.069771Z | false |
eugenp/tutorials | https://github.com/eugenp/tutorials/blob/4463e58ffb73fe599bac2479abd84598c6e70a1a/core-java-modules/core-java-datetime-conversion/src/test/java/com/baeldung/timestamptolocaldatetime/TimeToLocalDateTimeUnitTest.java | core-java-modules/core-java-datetime-conversion/src/test/java/com/baeldung/timestamptolocaldatetime/TimeToLocalDateTimeUnitTest.java | package com.baeldung.timestamptolocaldatetime;
import org.joda.time.DateTimeZone;
import org.junit.Test;
import java.time.Instant;
import java.time.LocalDateTime;
import java.time.ZoneId;
import java.time.format.DateTimeFormatter;
import org.joda.time.DateTime;
import org.joda.time.format.DateTimeFormat;
import sta... | java | MIT | 4463e58ffb73fe599bac2479abd84598c6e70a1a | 2026-01-04T14:45:57.069771Z | false |
eugenp/tutorials | https://github.com/eugenp/tutorials/blob/4463e58ffb73fe599bac2479abd84598c6e70a1a/core-java-modules/core-java-datetime-conversion/src/test/java/com/baeldung/localdatetimetozoneddatetime/LocalDateTimeToZonedDateTimeUnitTest.java | core-java-modules/core-java-datetime-conversion/src/test/java/com/baeldung/localdatetimetozoneddatetime/LocalDateTimeToZonedDateTimeUnitTest.java | import org.junit.jupiter.api.Test;
import java.time.*;
import static org.junit.jupiter.api.Assertions.assertNotEquals;
import static org.junit.jupiter.api.Assertions.assertEquals;
import static org.junit.jupiter.api.Assertions.assertThrows;
public class LocalDateTimeToZonedDateTimeUnitTest {
@Test
void whe... | java | MIT | 4463e58ffb73fe599bac2479abd84598c6e70a1a | 2026-01-04T14:45:57.069771Z | false |
eugenp/tutorials | https://github.com/eugenp/tutorials/blob/4463e58ffb73fe599bac2479abd84598c6e70a1a/core-java-modules/core-java-datetime-conversion/src/test/java/com/baeldung/epochtolocaldate/EpochTimeToLocalDateConverterUnitTest.java | core-java-modules/core-java-datetime-conversion/src/test/java/com/baeldung/epochtolocaldate/EpochTimeToLocalDateConverterUnitTest.java | package com.baeldung.epochtolocaldate;
import org.junit.jupiter.api.Test;
import java.time.Instant;
import java.time.LocalDate;
import java.time.ZoneId;
import static org.junit.jupiter.api.Assertions.assertEquals;
public class EpochTimeToLocalDateConverterUnitTest {
@Test
public void testConvertEpochTimeToLoc... | java | MIT | 4463e58ffb73fe599bac2479abd84598c6e70a1a | 2026-01-04T14:45:57.069771Z | false |
eugenp/tutorials | https://github.com/eugenp/tutorials/blob/4463e58ffb73fe599bac2479abd84598c6e70a1a/core-java-modules/core-java-datetime-conversion/src/test/java/com/baeldung/epochtolocaldate/EpochTimeToLocalDateTimeConverterUnitTest.java | core-java-modules/core-java-datetime-conversion/src/test/java/com/baeldung/epochtolocaldate/EpochTimeToLocalDateTimeConverterUnitTest.java | package com.baeldung.epochtolocaldate;
import org.junit.jupiter.api.Test;
import java.time.Instant;
import java.time.LocalDateTime;
import java.time.ZoneId;
import java.time.format.DateTimeFormatter;
import static org.junit.jupiter.api.Assertions.assertEquals;
public class EpochTimeToLocalDateTimeConverterUnitTest {
... | java | MIT | 4463e58ffb73fe599bac2479abd84598c6e70a1a | 2026-01-04T14:45:57.069771Z | false |
eugenp/tutorials | https://github.com/eugenp/tutorials/blob/4463e58ffb73fe599bac2479abd84598c6e70a1a/core-java-modules/core-java-datetime-conversion/src/test/java/com/baeldung/datetolocaldate/DateToLocalDateConverterUnitTest.java | core-java-modules/core-java-datetime-conversion/src/test/java/com/baeldung/datetolocaldate/DateToLocalDateConverterUnitTest.java | /**
*
*/
package com.baeldung.datetolocaldate;
import static org.junit.Assert.assertEquals;
import java.time.LocalDate;
import java.time.temporal.ChronoField;
import java.util.Calendar;
import java.util.Date;
import org.junit.Test;
import com.baeldung.datetolocaldate.DateToLocalDateConverter;
/**
* JUnits for ... | java | MIT | 4463e58ffb73fe599bac2479abd84598c6e70a1a | 2026-01-04T14:45:57.069771Z | false |
eugenp/tutorials | https://github.com/eugenp/tutorials/blob/4463e58ffb73fe599bac2479abd84598c6e70a1a/core-java-modules/core-java-datetime-conversion/src/test/java/com/baeldung/datetolocaldate/DateToLocalDateTimeConverterUnitTest.java | core-java-modules/core-java-datetime-conversion/src/test/java/com/baeldung/datetolocaldate/DateToLocalDateTimeConverterUnitTest.java | /**
*
*/
package com.baeldung.datetolocaldate;
import static org.junit.Assert.assertEquals;
import java.time.LocalDateTime;
import java.time.temporal.ChronoField;
import java.util.Calendar;
import java.util.Date;
import org.junit.Test;
import com.baeldung.datetolocaldate.DateToLocalDateTimeConverter;
/**
* JUn... | java | MIT | 4463e58ffb73fe599bac2479abd84598c6e70a1a | 2026-01-04T14:45:57.069771Z | false |
eugenp/tutorials | https://github.com/eugenp/tutorials/blob/4463e58ffb73fe599bac2479abd84598c6e70a1a/core-java-modules/core-java-datetime-conversion/src/test/java/com/baeldung/datetolocaldate/LocalDateToDateConverterUnitTest.java | core-java-modules/core-java-datetime-conversion/src/test/java/com/baeldung/datetolocaldate/LocalDateToDateConverterUnitTest.java | /**
*
*/
package com.baeldung.datetolocaldate;
import static org.junit.Assert.assertEquals;
import java.time.LocalDate;
import java.util.Calendar;
import java.util.Date;
import org.junit.Test;
import com.baeldung.datetolocaldate.LocalDateToDateConverter;
/**
*
* JUnits for {@link LocalDateToDateConverter} cl... | java | MIT | 4463e58ffb73fe599bac2479abd84598c6e70a1a | 2026-01-04T14:45:57.069771Z | false |
eugenp/tutorials | https://github.com/eugenp/tutorials/blob/4463e58ffb73fe599bac2479abd84598c6e70a1a/core-java-modules/core-java-datetime-conversion/src/test/java/com/baeldung/datetolocaldate/LocalDateTimeToDateConverterUnitTest.java | core-java-modules/core-java-datetime-conversion/src/test/java/com/baeldung/datetolocaldate/LocalDateTimeToDateConverterUnitTest.java | /**
*
*/
package com.baeldung.datetolocaldate;
import static org.junit.Assert.assertEquals;
import java.time.LocalDateTime;
import java.util.Calendar;
import java.util.Date;
import org.junit.Test;
import com.baeldung.datetolocaldate.LocalDateTimeToDateConverter;
/**
*
* JUnits for {@link LocalDateTimeToDateC... | java | MIT | 4463e58ffb73fe599bac2479abd84598c6e70a1a | 2026-01-04T14:45:57.069771Z | false |
eugenp/tutorials | https://github.com/eugenp/tutorials/blob/4463e58ffb73fe599bac2479abd84598c6e70a1a/core-java-modules/core-java-datetime-conversion/src/test/java/com/baeldung/convert/ConvertDateTimeUnitTest.java | core-java-modules/core-java-datetime-conversion/src/test/java/com/baeldung/convert/ConvertDateTimeUnitTest.java | package com.baeldung.convert;
import org.joda.time.Instant;
import org.junit.Assert;
import org.junit.Test;
import java.time.LocalDateTime;
import java.time.ZoneId;
import java.time.ZonedDateTime;
import java.util.Calendar;
import java.util.Date;
public class ConvertDateTimeUnitTest {
public final long millis =... | java | MIT | 4463e58ffb73fe599bac2479abd84598c6e70a1a | 2026-01-04T14:45:57.069771Z | false |
eugenp/tutorials | https://github.com/eugenp/tutorials/blob/4463e58ffb73fe599bac2479abd84598c6e70a1a/core-java-modules/core-java-datetime-conversion/src/main/java/com/baeldung/epochtolocaldate/EpochTimeToLocalDateTimeConverter.java | core-java-modules/core-java-datetime-conversion/src/main/java/com/baeldung/epochtolocaldate/EpochTimeToLocalDateTimeConverter.java | package com.baeldung.epochtolocaldate;
import java.time.Instant;
import java.time.LocalDateTime;
import java.time.ZoneId;
import java.time.format.DateTimeFormatter;
/**
* Class which shows a way to convert Epoch time in milliseconds to java.time.LocalDateTime.
*
* @author quincy
*
*/
public class EpochTimeToLo... | java | MIT | 4463e58ffb73fe599bac2479abd84598c6e70a1a | 2026-01-04T14:45:57.069771Z | false |
eugenp/tutorials | https://github.com/eugenp/tutorials/blob/4463e58ffb73fe599bac2479abd84598c6e70a1a/core-java-modules/core-java-datetime-conversion/src/main/java/com/baeldung/epochtolocaldate/EpochTimeToLocalDateConverter.java | core-java-modules/core-java-datetime-conversion/src/main/java/com/baeldung/epochtolocaldate/EpochTimeToLocalDateConverter.java | package com.baeldung.epochtolocaldate;
import java.time.Instant;
import java.time.LocalDate;
import java.time.ZoneId;
import java.time.format.DateTimeFormatter;
/**
* Class which shows a way to convert Epoch time in milliseconds to java.time.LocalDate.
*
* @author quincy
*
*/
public class EpochTimeToLocalDateC... | java | MIT | 4463e58ffb73fe599bac2479abd84598c6e70a1a | 2026-01-04T14:45:57.069771Z | false |
eugenp/tutorials | https://github.com/eugenp/tutorials/blob/4463e58ffb73fe599bac2479abd84598c6e70a1a/core-java-modules/core-java-datetime-conversion/src/main/java/com/baeldung/timestamptolong/TimestampToLong.java | core-java-modules/core-java-datetime-conversion/src/main/java/com/baeldung/timestamptolong/TimestampToLong.java | package com.baeldung.timestamptolong;
import java.text.ParseException;
import java.text.SimpleDateFormat;
import java.time.Instant;
import java.time.LocalDateTime;
import java.time.ZoneId;
import java.time.format.DateTimeFormatter;
import java.util.Date;
public class TimestampToLong {
public long usingSimpleDate... | java | MIT | 4463e58ffb73fe599bac2479abd84598c6e70a1a | 2026-01-04T14:45:57.069771Z | false |
eugenp/tutorials | https://github.com/eugenp/tutorials/blob/4463e58ffb73fe599bac2479abd84598c6e70a1a/core-java-modules/core-java-datetime-conversion/src/main/java/com/baeldung/datetolocaldate/DateToLocalDateTimeConverter.java | core-java-modules/core-java-datetime-conversion/src/main/java/com/baeldung/datetolocaldate/DateToLocalDateTimeConverter.java | /**
*
*/
package com.baeldung.datetolocaldate;
import java.time.Instant;
import java.time.LocalDateTime;
import java.time.ZoneId;
import java.util.Date;
/**
* Class which shows a way to convert java.util.Date into java.time.LocalDateTime.
*
* @author abialas
*
*/
public class DateToLocalDateTimeConverter {
... | java | MIT | 4463e58ffb73fe599bac2479abd84598c6e70a1a | 2026-01-04T14:45:57.069771Z | false |
eugenp/tutorials | https://github.com/eugenp/tutorials/blob/4463e58ffb73fe599bac2479abd84598c6e70a1a/core-java-modules/core-java-datetime-conversion/src/main/java/com/baeldung/datetolocaldate/DateToLocalDateConverter.java | core-java-modules/core-java-datetime-conversion/src/main/java/com/baeldung/datetolocaldate/DateToLocalDateConverter.java | /**
*
*/
package com.baeldung.datetolocaldate;
import java.time.Instant;
import java.time.LocalDate;
import java.time.ZoneId;
import java.util.Date;
/**
* Class which shows a way to convert java.util.Date into java.time.LocalDate.
*
* @author abialas
*
*/
public class DateToLocalDateConverter {
public s... | java | MIT | 4463e58ffb73fe599bac2479abd84598c6e70a1a | 2026-01-04T14:45:57.069771Z | false |
eugenp/tutorials | https://github.com/eugenp/tutorials/blob/4463e58ffb73fe599bac2479abd84598c6e70a1a/core-java-modules/core-java-datetime-conversion/src/main/java/com/baeldung/datetolocaldate/LocalDateTimeToDateConverter.java | core-java-modules/core-java-datetime-conversion/src/main/java/com/baeldung/datetolocaldate/LocalDateTimeToDateConverter.java | /**
*
*/
package com.baeldung.datetolocaldate;
import java.time.LocalDateTime;
import java.time.ZoneId;
import java.util.Date;
/**
* Class which shows different ways of converting java.time.LocalDateTime into java.util.Date.
*
* @author abialas
*
*/
public class LocalDateTimeToDateConverter {
public s... | java | MIT | 4463e58ffb73fe599bac2479abd84598c6e70a1a | 2026-01-04T14:45:57.069771Z | false |
eugenp/tutorials | https://github.com/eugenp/tutorials/blob/4463e58ffb73fe599bac2479abd84598c6e70a1a/core-java-modules/core-java-datetime-conversion/src/main/java/com/baeldung/datetolocaldate/LocalDateToDateConverter.java | core-java-modules/core-java-datetime-conversion/src/main/java/com/baeldung/datetolocaldate/LocalDateToDateConverter.java | /**
*
*/
package com.baeldung.datetolocaldate;
import java.time.LocalDate;
import java.time.ZoneId;
import java.util.Date;
/**
* Class which shows different ways of converting java.time.LocalDate into java.util.Date.
*
* @author abialas
*
*/
public class LocalDateToDateConverter {
public static Date c... | java | MIT | 4463e58ffb73fe599bac2479abd84598c6e70a1a | 2026-01-04T14:45:57.069771Z | false |
eugenp/tutorials | https://github.com/eugenp/tutorials/blob/4463e58ffb73fe599bac2479abd84598c6e70a1a/core-java-modules/core-java-lang-math-3/src/test/java/com/baeldung/com.baeldung.powerinsteadofmathpow/FindPowerInsteadOfUsingMathPowUnitTest.java | core-java-modules/core-java-lang-math-3/src/test/java/com/baeldung/com.baeldung.powerinsteadofmathpow/FindPowerInsteadOfUsingMathPowUnitTest.java | package com.baeldung.powerinsteadofmathpow;
import org.junit.jupiter.api.Test;
import static org.junit.jupiter.api.Assertions.assertEquals;
public class FindPowerInsteadOfUsingMathPowUnitTest {
double result = 1;
double base = 2;
int exponent = 3;
@Test
public void givenBaseAndExponentNumbers_wh... | java | MIT | 4463e58ffb73fe599bac2479abd84598c6e70a1a | 2026-01-04T14:45:57.069771Z | false |
eugenp/tutorials | https://github.com/eugenp/tutorials/blob/4463e58ffb73fe599bac2479abd84598c6e70a1a/core-java-modules/core-java-lang-math-3/src/test/java/com/baeldung/math/quadraticequationroot/PolynomUnitTest.java | core-java-modules/core-java-lang-math-3/src/test/java/com/baeldung/math/quadraticequationroot/PolynomUnitTest.java | package com.baeldung.math.quadraticequationroot;
import org.junit.jupiter.api.Test;
import static org.junit.jupiter.api.Assertions.assertThrows;
public class PolynomUnitTest {
@Test
void givenaEqualTo0_WhenNewPolynom_ThenThrows() {
assertThrows(IllegalArgumentException.class, () -> new Polynom(0, 1,... | java | MIT | 4463e58ffb73fe599bac2479abd84598c6e70a1a | 2026-01-04T14:45:57.069771Z | false |
eugenp/tutorials | https://github.com/eugenp/tutorials/blob/4463e58ffb73fe599bac2479abd84598c6e70a1a/core-java-modules/core-java-lang-math-3/src/test/java/com/baeldung/math/quadraticequationroot/ComplexRootsCalculatorUnitTest.java | core-java-modules/core-java-lang-math-3/src/test/java/com/baeldung/math/quadraticequationroot/ComplexRootsCalculatorUnitTest.java | package com.baeldung.math.quadraticequationroot;
import org.junit.jupiter.api.Test;
import java.util.List;
import static org.junit.jupiter.api.Assertions.assertEquals;
import static org.junit.jupiter.api.Assertions.assertTrue;
public class ComplexRootsCalculatorUnitTest {
@Test
void givenPolynomWithStrictl... | java | MIT | 4463e58ffb73fe599bac2479abd84598c6e70a1a | 2026-01-04T14:45:57.069771Z | false |
eugenp/tutorials | https://github.com/eugenp/tutorials/blob/4463e58ffb73fe599bac2479abd84598c6e70a1a/core-java-modules/core-java-lang-math-3/src/test/java/com/baeldung/math/quadraticequationroot/RealRootsCalculatorUnitTest.java | core-java-modules/core-java-lang-math-3/src/test/java/com/baeldung/math/quadraticequationroot/RealRootsCalculatorUnitTest.java | package com.baeldung.math.quadraticequationroot;
import org.junit.jupiter.api.Test;
import java.util.Arrays;
import java.util.List;
import static org.junit.jupiter.api.Assertions.assertEquals;
import static org.junit.jupiter.api.Assertions.assertTrue;
class RealRootsCalculatorUnitTest {
@Test
void givenPol... | java | MIT | 4463e58ffb73fe599bac2479abd84598c6e70a1a | 2026-01-04T14:45:57.069771Z | false |
eugenp/tutorials | https://github.com/eugenp/tutorials/blob/4463e58ffb73fe599bac2479abd84598c6e70a1a/core-java-modules/core-java-lang-math-3/src/test/java/com/baeldung/magicsquare/MagicSquare.java | core-java-modules/core-java-lang-math-3/src/test/java/com/baeldung/magicsquare/MagicSquare.java | package com.baeldung.magicsquare;
import java.util.stream.IntStream;
public class MagicSquare {
private int[][] cells;
public MagicSquare(int n) {
this.cells = new int[n][];
for (int i = 0; i < n; ++i) {
this.cells[i] = new int[n];
}
if (n % 2 == 1) {
... | java | MIT | 4463e58ffb73fe599bac2479abd84598c6e70a1a | 2026-01-04T14:45:57.069771Z | false |
eugenp/tutorials | https://github.com/eugenp/tutorials/blob/4463e58ffb73fe599bac2479abd84598c6e70a1a/core-java-modules/core-java-lang-math-3/src/test/java/com/baeldung/magicsquare/ValidationUnitTest.java | core-java-modules/core-java-lang-math-3/src/test/java/com/baeldung/magicsquare/ValidationUnitTest.java | package com.baeldung.magicsquare;
import org.junit.jupiter.api.Test;
public class ValidationUnitTest {
@Test
public void testValidate3x3() {
MagicSquare magicSquare = new MagicSquare(3);
magicSquare.setCell(0, 0, 8);
magicSquare.setCell(1, 0, 1);
magicSquare.setCell(2, 0, 6);
... | java | MIT | 4463e58ffb73fe599bac2479abd84598c6e70a1a | 2026-01-04T14:45:57.069771Z | false |
eugenp/tutorials | https://github.com/eugenp/tutorials/blob/4463e58ffb73fe599bac2479abd84598c6e70a1a/core-java-modules/core-java-lang-math-3/src/test/java/com/baeldung/magicsquare/GenerationUnitTest.java | core-java-modules/core-java-lang-math-3/src/test/java/com/baeldung/magicsquare/GenerationUnitTest.java | package com.baeldung.magicsquare;
import org.junit.jupiter.api.Test;
public class GenerationUnitTest {
@Test
public void testGenerate3x3() {
MagicSquare magicSquare = new MagicSquare(3);
System.out.println(magicSquare);
magicSquare.validate();
}
@Test
public void testGene... | java | MIT | 4463e58ffb73fe599bac2479abd84598c6e70a1a | 2026-01-04T14:45:57.069771Z | false |
eugenp/tutorials | https://github.com/eugenp/tutorials/blob/4463e58ffb73fe599bac2479abd84598c6e70a1a/core-java-modules/core-java-lang-math-3/src/test/java/com/baeldung/geocoordinatevalidator/GeoCoordinateValidatorUnitTest.java | core-java-modules/core-java-lang-math-3/src/test/java/com/baeldung/geocoordinatevalidator/GeoCoordinateValidatorUnitTest.java | package com.baeldung.geocoordinatevalidator;
import static org.junit.Assert.assertFalse;
import static org.junit.Assert.assertTrue;
import org.junit.Test;
public class GeoCoordinateValidatorUnitTest {
@Test
public void givenValidDDCoordinates_whenValidatingWithRegex_thenReturnsTrue() {
assertTrue(Ge... | java | MIT | 4463e58ffb73fe599bac2479abd84598c6e70a1a | 2026-01-04T14:45:57.069771Z | false |
eugenp/tutorials | https://github.com/eugenp/tutorials/blob/4463e58ffb73fe599bac2479abd84598c6e70a1a/core-java-modules/core-java-lang-math-3/src/test/java/com/baeldung/clampfunction/ClampFunctionUnitTest.java | core-java-modules/core-java-lang-math-3/src/test/java/com/baeldung/clampfunction/ClampFunctionUnitTest.java | package com.baeldung.clampfunction;
import static org.junit.jupiter.api.Assertions.*;
import org.junit.jupiter.api.BeforeEach;
import org.junit.jupiter.api.Test;
public class ClampFunctionUnitTest {
Clamp clampValue = new Clamp();
@Test
public void givenValueOutsideRange_whenClamp_thenReturnLowerValue(... | java | MIT | 4463e58ffb73fe599bac2479abd84598c6e70a1a | 2026-01-04T14:45:57.069771Z | false |
eugenp/tutorials | https://github.com/eugenp/tutorials/blob/4463e58ffb73fe599bac2479abd84598c6e70a1a/core-java-modules/core-java-lang-math-3/src/main/java/com/baeldung/math/quadraticequationroot/Polynom.java | core-java-modules/core-java-lang-math-3/src/main/java/com/baeldung/math/quadraticequationroot/Polynom.java | package com.baeldung.math.quadraticequationroot;
public class Polynom {
private double a;
private double b;
private double c;
public Polynom(double a, double b, double c) {
if (a == 0) {
throw new IllegalArgumentException("a can not be equal to 0");
}
this.a = a;
... | java | MIT | 4463e58ffb73fe599bac2479abd84598c6e70a1a | 2026-01-04T14:45:57.069771Z | false |
eugenp/tutorials | https://github.com/eugenp/tutorials/blob/4463e58ffb73fe599bac2479abd84598c6e70a1a/core-java-modules/core-java-lang-math-3/src/main/java/com/baeldung/math/quadraticequationroot/RealRootsCalculator.java | core-java-modules/core-java-lang-math-3/src/main/java/com/baeldung/math/quadraticequationroot/RealRootsCalculator.java | package com.baeldung.math.quadraticequationroot;
import java.util.ArrayList;
import java.util.List;
public class RealRootsCalculator {
public static List<Double> getPolynomRoots(Polynom polynom) {
List<Double> roots = new ArrayList<>();
double discriminant = polynom.getDiscriminant();
if ... | java | MIT | 4463e58ffb73fe599bac2479abd84598c6e70a1a | 2026-01-04T14:45:57.069771Z | false |
eugenp/tutorials | https://github.com/eugenp/tutorials/blob/4463e58ffb73fe599bac2479abd84598c6e70a1a/core-java-modules/core-java-lang-math-3/src/main/java/com/baeldung/math/quadraticequationroot/ComplexRootsCalculator.java | core-java-modules/core-java-lang-math-3/src/main/java/com/baeldung/math/quadraticequationroot/ComplexRootsCalculator.java | package com.baeldung.math.quadraticequationroot;
import java.util.ArrayList;
import java.util.List;
public class ComplexRootsCalculator {
public static List<Complex> getPolynomRoots(Polynom polynom) {
List<Complex> roots = new ArrayList<>();
double discriminant = polynom.getDiscriminant();
... | java | MIT | 4463e58ffb73fe599bac2479abd84598c6e70a1a | 2026-01-04T14:45:57.069771Z | false |
eugenp/tutorials | https://github.com/eugenp/tutorials/blob/4463e58ffb73fe599bac2479abd84598c6e70a1a/core-java-modules/core-java-lang-math-3/src/main/java/com/baeldung/math/quadraticequationroot/Complex.java | core-java-modules/core-java-lang-math-3/src/main/java/com/baeldung/math/quadraticequationroot/Complex.java | package com.baeldung.math.quadraticequationroot;
public class Complex {
private double realPart;
private double imaginaryPart;
public Complex(double realPart, double imaginaryPart) {
this.realPart = realPart;
this.imaginaryPart = imaginaryPart;
}
public static Complex ofReal(doub... | java | MIT | 4463e58ffb73fe599bac2479abd84598c6e70a1a | 2026-01-04T14:45:57.069771Z | false |
eugenp/tutorials | https://github.com/eugenp/tutorials/blob/4463e58ffb73fe599bac2479abd84598c6e70a1a/core-java-modules/core-java-lang-math-3/src/main/java/com/baeldung/math/standarddeviation/StandardDeviation.java | core-java-modules/core-java-lang-math-3/src/main/java/com/baeldung/math/standarddeviation/StandardDeviation.java | package com.baeldung.math.standarddeviation;
import java.util.Arrays;
public class StandardDeviation {
public static double calculateStandardDeviation(double[] array) {
// get the sum of array
double sum = 0.0;
for (double i : array) {
sum += i;
}
// get the ... | java | MIT | 4463e58ffb73fe599bac2479abd84598c6e70a1a | 2026-01-04T14:45:57.069771Z | false |
eugenp/tutorials | https://github.com/eugenp/tutorials/blob/4463e58ffb73fe599bac2479abd84598c6e70a1a/core-java-modules/core-java-lang-math-3/src/main/java/com/baeldung/math/pascaltriangle/PascalTriangle.java | core-java-modules/core-java-lang-math-3/src/main/java/com/baeldung/math/pascaltriangle/PascalTriangle.java | package com.baeldung.math.pascaltriangle;
public class PascalTriangle {
public static int factorial(int i) {
if (i == 0) {
return 1;
}
return i * factorial(i - 1);
}
private static void printUseRecursion(int n) {
for (int i = 0; i <= n; i++) {
for (... | java | MIT | 4463e58ffb73fe599bac2479abd84598c6e70a1a | 2026-01-04T14:45:57.069771Z | false |
eugenp/tutorials | https://github.com/eugenp/tutorials/blob/4463e58ffb73fe599bac2479abd84598c6e70a1a/core-java-modules/core-java-lang-math-3/src/main/java/com/baeldung/geocoordinatevalidator/GeoCoordinateValidator.java | core-java-modules/core-java-lang-math-3/src/main/java/com/baeldung/geocoordinatevalidator/GeoCoordinateValidator.java | package com.baeldung.geocoordinatevalidator;
import java.util.regex.Matcher;
import java.util.regex.Pattern;
public class GeoCoordinateValidator {
public static final String DD_COORDINATE_REGEX = "^(-?\\d+\\.\\d+)(\\s*,\\s*)?(-?\\d+\\.\\d+)$";
public static final String DMS_COORDINATE_REGEX = "^(\\d{1,3})°(... | java | MIT | 4463e58ffb73fe599bac2479abd84598c6e70a1a | 2026-01-04T14:45:57.069771Z | false |
eugenp/tutorials | https://github.com/eugenp/tutorials/blob/4463e58ffb73fe599bac2479abd84598c6e70a1a/core-java-modules/core-java-lang-math-3/src/main/java/com/baeldung/clampfunction/Clamp.java | core-java-modules/core-java-lang-math-3/src/main/java/com/baeldung/clampfunction/Clamp.java | package com.baeldung.clampfunction;
public class Clamp {
public int clamp(int value, int min, int max) {
return Math.max(min, Math.min(max, value));
}
public double clamp(double value, double min, double max) {
return Math.max(min, Math.min(max, value));
}
public static <T extend... | java | MIT | 4463e58ffb73fe599bac2479abd84598c6e70a1a | 2026-01-04T14:45:57.069771Z | false |
eugenp/tutorials | https://github.com/eugenp/tutorials/blob/4463e58ffb73fe599bac2479abd84598c6e70a1a/core-java-modules/core-java-collections-set/src/test/java/com/baeldung/collection/Employee.java | core-java-modules/core-java-collections-set/src/test/java/com/baeldung/collection/Employee.java | package com.baeldung.collection;
public class Employee implements Comparable<Employee> {
private int employeeId;
private String employeeName;
Employee(int employeeId, String employeeName) {
this.employeeId = employeeId;
this.employeeName = employeeName;
}
int getEmployeeId() {
... | java | MIT | 4463e58ffb73fe599bac2479abd84598c6e70a1a | 2026-01-04T14:45:57.069771Z | false |
eugenp/tutorials | https://github.com/eugenp/tutorials/blob/4463e58ffb73fe599bac2479abd84598c6e70a1a/core-java-modules/core-java-collections-set/src/test/java/com/baeldung/collection/WhenUsingTreeSet.java | core-java-modules/core-java-collections-set/src/test/java/com/baeldung/collection/WhenUsingTreeSet.java | package com.baeldung.collection;
import java.util.Comparator;
import java.util.ConcurrentModificationException;
import java.util.Iterator;
import java.util.NavigableSet;
import java.util.Set;
import java.util.SortedSet;
import java.util.TreeSet;
import org.junit.Assert;
import org.junit.Test;
public class WhenUsingT... | java | MIT | 4463e58ffb73fe599bac2479abd84598c6e70a1a | 2026-01-04T14:45:57.069771Z | false |
eugenp/tutorials | https://github.com/eugenp/tutorials/blob/4463e58ffb73fe599bac2479abd84598c6e70a1a/core-java-modules/core-java-collections-set/src/test/java/com/baeldung/collection/WhenUsingHashSet.java | core-java-modules/core-java-collections-set/src/test/java/com/baeldung/collection/WhenUsingHashSet.java | package com.baeldung.collection;
import org.junit.jupiter.api.Test;
import static org.junit.jupiter.api.Assertions.assertDoesNotThrow;
import static org.junit.jupiter.api.Assertions.assertThrows;
import static org.junit.jupiter.api.Assertions.assertTrue;
import static org.junit.jupiter.api.Assertions.assertEquals;
i... | java | MIT | 4463e58ffb73fe599bac2479abd84598c6e70a1a | 2026-01-04T14:45:57.069771Z | false |
eugenp/tutorials | https://github.com/eugenp/tutorials/blob/4463e58ffb73fe599bac2479abd84598c6e70a1a/core-java-modules/core-java-collections-set/src/test/java/com/baeldung/firstitemfromset/GetFirstItemFromSetUnitTest.java | core-java-modules/core-java-collections-set/src/test/java/com/baeldung/firstitemfromset/GetFirstItemFromSetUnitTest.java | package com.baeldung.firstitemfromset;
import static org.junit.Assert.assertEquals;
import java.util.Arrays;
import java.util.Iterator;
import java.util.LinkedHashSet;
import java.util.Optional;
import java.util.Set;
import org.junit.Test;
public class GetFirstItemFromSetUnitTest {
@Test
public void givenA... | java | MIT | 4463e58ffb73fe599bac2479abd84598c6e70a1a | 2026-01-04T14:45:57.069771Z | false |
eugenp/tutorials | https://github.com/eugenp/tutorials/blob/4463e58ffb73fe599bac2479abd84598c6e70a1a/core-java-modules/core-java-collections-set/src/test/java/com/baeldung/hashset/sorting/HashSetUnitTest.java | core-java-modules/core-java-collections-set/src/test/java/com/baeldung/hashset/sorting/HashSetUnitTest.java | package com.baeldung.hashset.sorting;
import static org.assertj.core.api.Assertions.assertThat;
import java.util.ArrayList;
import java.util.Collections;
import java.util.HashSet;
import java.util.LinkedHashSet;
import java.util.TreeSet;
import java.util.stream.Collectors;
import org.junit.jupiter.api.Test;
public ... | java | MIT | 4463e58ffb73fe599bac2479abd84598c6e70a1a | 2026-01-04T14:45:57.069771Z | false |
eugenp/tutorials | https://github.com/eugenp/tutorials/blob/4463e58ffb73fe599bac2479abd84598c6e70a1a/core-java-modules/core-java-collections-set/src/test/java/com/baeldung/java/set/HashSetInitalizingUnitTest.java | core-java-modules/core-java-collections-set/src/test/java/com/baeldung/java/set/HashSetInitalizingUnitTest.java | package com.baeldung.java.set;
import com.google.common.collect.ImmutableSet;
import com.google.common.collect.Sets;
import org.junit.jupiter.api.Test;
import java.util.Arrays;
import java.util.Collections;
import java.util.HashSet;
import java.util.Set;
import java.util.stream.Collectors;
import java.util.stream.S... | java | MIT | 4463e58ffb73fe599bac2479abd84598c6e70a1a | 2026-01-04T14:45:57.069771Z | false |
eugenp/tutorials | https://github.com/eugenp/tutorials/blob/4463e58ffb73fe599bac2479abd84598c6e70a1a/core-java-modules/core-java-collections-set/src/test/java/com/baeldung/set/SetDiffUnitTest.java | core-java-modules/core-java-collections-set/src/test/java/com/baeldung/set/SetDiffUnitTest.java | package com.baeldung.set;
import com.google.common.collect.Sets;
import org.apache.commons.collections4.CollectionUtils;
import org.apache.commons.collections4.SetUtils;
import org.junit.Test;
import java.util.HashSet;
import java.util.Set;
import java.util.stream.Collectors;
import java.util.stream.Stream;
import s... | java | MIT | 4463e58ffb73fe599bac2479abd84598c6e70a1a | 2026-01-04T14:45:57.069771Z | false |
eugenp/tutorials | https://github.com/eugenp/tutorials/blob/4463e58ffb73fe599bac2479abd84598c6e70a1a/core-java-modules/core-java-collections-set/src/main/java/com/baeldung/enumset/EnumSets.java | core-java-modules/core-java-collections-set/src/main/java/com/baeldung/enumset/EnumSets.java | package com.baeldung.enumset;
import java.util.ArrayList;
import java.util.EnumSet;
import java.util.List;
public class EnumSets {
public enum Color {
RED, YELLOW, GREEN, BLUE, BLACK, WHITE
}
public static void main(String[] args) {
EnumSet<Color> allColors = EnumSet.allOf(Color.class);
... | java | MIT | 4463e58ffb73fe599bac2479abd84598c6e70a1a | 2026-01-04T14:45:57.069771Z | false |
eugenp/tutorials | https://github.com/eugenp/tutorials/blob/4463e58ffb73fe599bac2479abd84598c6e70a1a/core-java-modules/core-java-collections-set/src/main/java/com/baeldung/set/SetDiff.java | core-java-modules/core-java-collections-set/src/main/java/com/baeldung/set/SetDiff.java | package com.baeldung.set;
import java.util.HashMap;
import java.util.Map;
import java.util.Set;
import java.util.stream.Collectors;
public class SetDiff {
public static <T> Set<T> findSymmetricDiff(Set<T> set1, Set<T> set2) {
Map<T, Integer> map = new HashMap<>();
set1.forEach(e -> putKey(map, e)... | java | MIT | 4463e58ffb73fe599bac2479abd84598c6e70a1a | 2026-01-04T14:45:57.069771Z | false |
eugenp/tutorials | https://github.com/eugenp/tutorials/blob/4463e58ffb73fe599bac2479abd84598c6e70a1a/core-java-modules/core-java-lang-oop-modifiers/src/test/java/com/baeldung/statickeyword/LibraryUnitTest.java | core-java-modules/core-java-lang-oop-modifiers/src/test/java/com/baeldung/statickeyword/LibraryUnitTest.java | package com.baeldung.statickeyword;
import org.junit.jupiter.api.BeforeEach;
import org.junit.jupiter.api.Test;
import static org.junit.jupiter.api.Assertions.assertEquals;
import static com.baeldung.statickeyword.Library.MAX_BOOKS;
class LibraryUnitTest {
private Library library;
@BeforeEach
void setU... | java | MIT | 4463e58ffb73fe599bac2479abd84598c6e70a1a | 2026-01-04T14:45:57.069771Z | false |
eugenp/tutorials | https://github.com/eugenp/tutorials/blob/4463e58ffb73fe599bac2479abd84598c6e70a1a/core-java-modules/core-java-lang-oop-modifiers/src/test/java/com/baeldung/defaultstaticinterfacemethods/StaticDefaulInterfaceMethodUnitTest.java | core-java-modules/core-java-lang-oop-modifiers/src/test/java/com/baeldung/defaultstaticinterfacemethods/StaticDefaulInterfaceMethodUnitTest.java | package com.baeldung.defaultstaticinterfacemethods;
import com.baeldung.defaultstaticinterfacemethods.model.Car;
import com.baeldung.defaultstaticinterfacemethods.model.Motorbike;
import com.baeldung.defaultstaticinterfacemethods.model.Vehicle;
import org.junit.BeforeClass;
import org.junit.Test;
import static org.ass... | java | MIT | 4463e58ffb73fe599bac2479abd84598c6e70a1a | 2026-01-04T14:45:57.069771Z | false |
eugenp/tutorials | https://github.com/eugenp/tutorials/blob/4463e58ffb73fe599bac2479abd84598c6e70a1a/core-java-modules/core-java-lang-oop-modifiers/src/test/java/com/baeldung/staticmodifier/CarUnitTest.java | core-java-modules/core-java-lang-oop-modifiers/src/test/java/com/baeldung/staticmodifier/CarUnitTest.java | package com.baeldung.staticmodifier;
import static org.junit.Assert.*;
import org.junit.AfterClass;
import org.junit.Test;
public class CarUnitTest {
@AfterClass
public static void setUpCarInstance() {
Car.setNumberOfCars(0);
}
@Test
public void whenNumberOfCarObjectsInitialized_thenSta... | java | MIT | 4463e58ffb73fe599bac2479abd84598c6e70a1a | 2026-01-04T14:45:57.069771Z | false |
eugenp/tutorials | https://github.com/eugenp/tutorials/blob/4463e58ffb73fe599bac2479abd84598c6e70a1a/core-java-modules/core-java-lang-oop-modifiers/src/test/java/com/baeldung/staticmodifier/SingletonUnitTest.java | core-java-modules/core-java-lang-oop-modifiers/src/test/java/com/baeldung/staticmodifier/SingletonUnitTest.java | package com.baeldung.staticmodifier;
import org.junit.Assert;
import org.junit.Test;
public class SingletonUnitTest {
@Test
public void givenStaticInnerClass_whenMultipleTimesInstanceCalled_thenOnlyOneTimeInitialized() {
Singleton object1 = Singleton.getInstance();
Singleton object2 = Singlet... | java | MIT | 4463e58ffb73fe599bac2479abd84598c6e70a1a | 2026-01-04T14:45:57.069771Z | false |
eugenp/tutorials | https://github.com/eugenp/tutorials/blob/4463e58ffb73fe599bac2479abd84598c6e70a1a/core-java-modules/core-java-lang-oop-modifiers/src/test/java/com/baeldung/staticmodifier/StaticBlockDemoUnitTest.java | core-java-modules/core-java-lang-oop-modifiers/src/test/java/com/baeldung/staticmodifier/StaticBlockDemoUnitTest.java | package com.baeldung.staticmodifier;
import static org.hamcrest.collection.IsIterableContainingInOrder.contains;
import static org.junit.Assert.assertThat;
import java.util.List;
import org.junit.Test;
public class StaticBlockDemoUnitTest {
@Test
public void whenAddedListElementsThroughStaticBlock_thenEnsu... | java | MIT | 4463e58ffb73fe599bac2479abd84598c6e70a1a | 2026-01-04T14:45:57.069771Z | false |
eugenp/tutorials | https://github.com/eugenp/tutorials/blob/4463e58ffb73fe599bac2479abd84598c6e70a1a/core-java-modules/core-java-lang-oop-modifiers/src/test/java/com/baeldung/staticmethod/CallNonStaticMethodUnitTest.java | core-java-modules/core-java-lang-oop-modifiers/src/test/java/com/baeldung/staticmethod/CallNonStaticMethodUnitTest.java | package com.baeldung.staticmethod;
import static org.junit.Assert.assertEquals;
import org.junit.AfterClass;
import org.junit.Test;
import com.baeldung.staticmodifier.Car;
public class CallNonStaticMethodUnitTest {
@AfterClass
public static void setUpCarInstance() {
Car.setNumberOfCars(0);
}
... | java | MIT | 4463e58ffb73fe599bac2479abd84598c6e70a1a | 2026-01-04T14:45:57.069771Z | false |
eugenp/tutorials | https://github.com/eugenp/tutorials/blob/4463e58ffb73fe599bac2479abd84598c6e70a1a/core-java-modules/core-java-lang-oop-modifiers/src/main/java/com/baeldung/staticclass/Pizza.java | core-java-modules/core-java-lang-oop-modifiers/src/main/java/com/baeldung/staticclass/Pizza.java | package com.baeldung.staticclass;
public class Pizza {
private static String cookedCount;
private boolean isThinCrust;
// Accessible globally
public static class PizzaSalesCounter {
private static String orderedCount;
public static String deliveredCount;
PizzaSalesCounter() ... | java | MIT | 4463e58ffb73fe599bac2479abd84598c6e70a1a | 2026-01-04T14:45:57.069771Z | false |
eugenp/tutorials | https://github.com/eugenp/tutorials/blob/4463e58ffb73fe599bac2479abd84598c6e70a1a/core-java-modules/core-java-lang-oop-modifiers/src/main/java/com/baeldung/statickeyword/Library.java | core-java-modules/core-java-lang-oop-modifiers/src/main/java/com/baeldung/statickeyword/Library.java | package com.baeldung.statickeyword;
import java.io.IOException;
import java.nio.file.Files;
import java.nio.file.Paths;
import java.util.List;
import java.util.logging.Logger;
public class Library {
public static final int MAX_BOOKS = 10000;
private static final Logger LOGGER = Logger.getLogger(Library.class.... | java | MIT | 4463e58ffb73fe599bac2479abd84598c6e70a1a | 2026-01-04T14:45:57.069771Z | false |
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