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
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eugenp/tutorials | https://github.com/eugenp/tutorials/blob/4463e58ffb73fe599bac2479abd84598c6e70a1a/core-java-modules/core-java-lang-oop-generics/src/test/java/com/baeldung/uncheckedcast/UncheckedCastUnitTest.java | core-java-modules/core-java-lang-oop-generics/src/test/java/com/baeldung/uncheckedcast/UncheckedCastUnitTest.java | package com.baeldung.uncheckedcast;
import org.junit.Assert;
import org.junit.Test;
import java.time.LocalDate;
import java.time.Month;
import java.util.Map;
public class UncheckedCastUnitTest {
@Test
public void givenRawMap_whenCastToTypedMap_shouldHaveCompilerWarning() {
Map<String, LocalDate> cas... | 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-generics/src/test/java/com/baeldung/classtype/GenericClassTypeUnitTest.java | core-java-modules/core-java-lang-oop-generics/src/test/java/com/baeldung/classtype/GenericClassTypeUnitTest.java | package com.baeldung.classtype;
import static org.junit.jupiter.api.Assertions.assertEquals;
import java.lang.reflect.ParameterizedType;
import java.lang.reflect.Type;
import java.util.List;
import org.junit.jupiter.api.Test;
public class GenericClassTypeUnitTest {
@Test
public void givenContainerClassWit... | 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-generics/src/test/java/com/baeldung/typeerasure/TypeErasureUnitTest.java | core-java-modules/core-java-lang-oop-generics/src/test/java/com/baeldung/typeerasure/TypeErasureUnitTest.java | package com.baeldung.typeerasure;
import org.junit.Test;
public class TypeErasureUnitTest {
@Test(expected = ClassCastException.class)
public void givenIntegerStack_whenStringPushedAndAssignPoppedValueToInteger_shouldFail() {
IntegerStack integerStack = new IntegerStack(5);
Stack stack = inte... | 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-generics/src/main/java/com/baeldung/uncheckedcast/UncheckedCast.java | core-java-modules/core-java-lang-oop-generics/src/main/java/com/baeldung/uncheckedcast/UncheckedCast.java | package com.baeldung.uncheckedcast;
import java.time.LocalDate;
import java.time.Month;
import java.util.Date;
import java.util.HashMap;
import java.util.Map;
public class UncheckedCast {
public static Map getRawMap() {
Map rawMap = new HashMap();
rawMap.put("date 1", LocalDate.of(2021, Month.FEBR... | 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-generics/src/main/java/com/baeldung/classtype/ContainerTypeFromReflection.java | core-java-modules/core-java-lang-oop-generics/src/main/java/com/baeldung/classtype/ContainerTypeFromReflection.java | package com.baeldung.classtype;
public class ContainerTypeFromReflection<T> {
private T content;
public ContainerTypeFromReflection(T content) {
this.content = content;
}
public Class<?> getClazz() {
return this.content.getClass();
}
}
| 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-generics/src/main/java/com/baeldung/classtype/TypeToken.java | core-java-modules/core-java-lang-oop-generics/src/main/java/com/baeldung/classtype/TypeToken.java | package com.baeldung.classtype;
import java.lang.reflect.ParameterizedType;
import java.lang.reflect.Type;
public abstract class TypeToken<T> {
private Type type;
protected TypeToken(){
Type superclass = getClass().getGenericSuperclass();
this.type = ((ParameterizedType) superclass).getActual... | 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-generics/src/main/java/com/baeldung/classtype/ContainerTypeFromTypeParameter.java | core-java-modules/core-java-lang-oop-generics/src/main/java/com/baeldung/classtype/ContainerTypeFromTypeParameter.java | package com.baeldung.classtype;
public class ContainerTypeFromTypeParameter<T> {
private Class<T> clazz;
public ContainerTypeFromTypeParameter(Class<T> clazz) {
this.clazz = clazz;
}
public Class<T> getClazz() {
return this.clazz;
}
}
| 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-generics/src/main/java/com/baeldung/classtype/CollectionWithAndWithoutGenerics.java | core-java-modules/core-java-lang-oop-generics/src/main/java/com/baeldung/classtype/CollectionWithAndWithoutGenerics.java | package com.baeldung.classtype;
import java.util.ArrayList;
import java.util.List;
public class CollectionWithAndWithoutGenerics {
public static void main(String[] args) {
withoutGenerics();
}
private static void withoutGenerics() {
List container = new ArrayList();
container.add... | 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-generics/src/main/java/com/baeldung/typeerasure/ArrayContentPrintUtil.java | core-java-modules/core-java-lang-oop-generics/src/main/java/com/baeldung/typeerasure/ArrayContentPrintUtil.java | package com.baeldung.typeerasure;
public class ArrayContentPrintUtil {
public static <E> void printArray(E[] array) {
for (E element : array) {
System.out.printf("%s ", element);
}
}
public static <E extends Comparable<E>> void printArray(E[] array) {
for (E element... | 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-generics/src/main/java/com/baeldung/typeerasure/BoundStack.java | core-java-modules/core-java-lang-oop-generics/src/main/java/com/baeldung/typeerasure/BoundStack.java | package com.baeldung.typeerasure;
import java.util.Arrays;
public class BoundStack<E extends Comparable<E>> {
private E[] stackContent;
private int total;
public BoundStack(int capacity) {
this.stackContent = (E[]) new Object[capacity];
}
public void push(E data) {
if (total == ... | 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-generics/src/main/java/com/baeldung/typeerasure/IntegerStack.java | core-java-modules/core-java-lang-oop-generics/src/main/java/com/baeldung/typeerasure/IntegerStack.java | package com.baeldung.typeerasure;
public class IntegerStack extends Stack<Integer> {
public IntegerStack(int capacity) {
super(capacity);
}
public void push(Integer value) {
System.out.println("Pushing into my integerStack");
super.push(value);
}
}
| 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-generics/src/main/java/com/baeldung/typeerasure/Stack.java | core-java-modules/core-java-lang-oop-generics/src/main/java/com/baeldung/typeerasure/Stack.java | package com.baeldung.typeerasure;
import java.util.Arrays;
public class Stack<E> {
private E[] stackContent;
private int total;
public Stack(int capacity) {
this.stackContent = (E[]) new Object[capacity];
}
public void push(E data) {
System.out.println("In base stack push#");
... | 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-generics/src/main/java/com/baeldung/typeerasure/Example.java | core-java-modules/core-java-lang-oop-generics/src/main/java/com/baeldung/typeerasure/Example.java | package com.baeldung.typeerasure;
public class Example {
public static <E> boolean containsElement(E [] elements, E element){
for (E e : elements){
if(e.equals(element)){
return true;
}
}
return false;
}
}
| 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-2/src/test/java/com/baeldung/linkedlist/LinkedListJUnitTest.java | core-java-modules/core-java-collections-list-2/src/test/java/com/baeldung/linkedlist/LinkedListJUnitTest.java | package com.baeldung.linkedlist;
import org.junit.jupiter.api.Assertions;
import org.junit.jupiter.api.Test;
import java.util.ArrayList;
import java.util.LinkedList;
public class LinkedListJUnitTest {
@Test
public void whenInitializingLinkedList_ShouldReturnEmptyList() throws Exception {
LinkedList<... | 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-2/src/test/java/com/baeldung/list/flattennestedlist/FlattenNestedListUnitTest.java | core-java-modules/core-java-collections-list-2/src/test/java/com/baeldung/list/flattennestedlist/FlattenNestedListUnitTest.java | package com.baeldung.list.flattennestedlist;
import static java.util.Arrays.asList;
import static org.junit.Assert.assertNotNull;
import static org.junit.Assert.assertThat;
import static org.junit.Assert.assertTrue;
import java.util.ArrayList;
import java.util.Collection;
import java.util.List;
import java.util.strea... | 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-2/src/test/java/com/baeldung/list/random/RandomListElementUnitTest.java | core-java-modules/core-java-collections-list-2/src/test/java/com/baeldung/list/random/RandomListElementUnitTest.java | package com.baeldung.list.random;
import java.util.Collections;
import java.util.List;
import java.util.Random;
import java.util.concurrent.ThreadLocalRandom;
import org.junit.Test;
import com.google.common.collect.Lists;
public class RandomListElementUnitTest {
@Test
public void givenList_whenRandomIndexC... | 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-2/src/test/java/com/baeldung/findItems/FindItemsBasedOnOtherStreamUnitTest.java | core-java-modules/core-java-collections-list-2/src/test/java/com/baeldung/findItems/FindItemsBasedOnOtherStreamUnitTest.java | package com.baeldung.findItems;
import static org.junit.jupiter.api.Assertions.assertEquals;
import static org.junit.jupiter.api.Assertions.assertNotEquals;
import org.junit.jupiter.api.Test;
import java.text.ParseException;
import java.util.ArrayList;
import java.util.Arrays;
import java.util.Collections;
import j... | 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-2/src/test/java/com/baeldung/findastring/FindAStringInListUnitTest.java | core-java-modules/core-java-collections-list-2/src/test/java/com/baeldung/findastring/FindAStringInListUnitTest.java | package com.baeldung.findastring;
import java.util.ArrayList;
import java.util.List;
import static org.junit.jupiter.api.Assertions.assertEquals;
import org.junit.Test;
public class FindAStringInListUnitTest {
private static List<String> list = new ArrayList<>();
static {
list.add("Jack and Jill");
... | 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-2/src/test/java/com/baeldung/array/converter/ArrayConvertToListUnitTest.java | core-java-modules/core-java-collections-list-2/src/test/java/com/baeldung/array/converter/ArrayConvertToListUnitTest.java | package com.baeldung.array.converter;
import org.junit.Test;
import java.util.ArrayList;
import java.util.Arrays;
import java.util.List;
import static org.junit.Assert.*;
public class ArrayConvertToListUnitTest {
@Test
public void givenAnStringArray_whenConvertArrayToList_thenListCreated() {
String... | 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-2/src/test/java/com/baeldung/java/linkedlist/LinkedListUnitTest.java | core-java-modules/core-java-collections-list-2/src/test/java/com/baeldung/java/linkedlist/LinkedListUnitTest.java | package com.baeldung.java.linkedlist;
import static org.junit.jupiter.api.Assertions.assertEquals;
import java.util.Arrays;
import java.util.Collections;
import java.util.LinkedList;
import org.junit.jupiter.api.Test;
public class LinkedListUnitTest {
@Test
public void givenArray_whenConvertedUsingAsList_... | 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-2/src/test/java/com/baeldung/java/list/ListTestNgUnitTest.java | core-java-modules/core-java-collections-list-2/src/test/java/com/baeldung/java/list/ListTestNgUnitTest.java | package com.baeldung.java.list;
import org.junit.Test;
import java.util.Arrays;
import java.util.List;
import static org.junit.Assert.*;
public class ListTestNgUnitTest {
private final List<String> list1 = Arrays.asList("1", "2", "3", "4");
private final List<String> list2 = Arrays.asList("1", "2", "3", "4... | 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-2/src/test/java/com/baeldung/java/list/ListJUnitTest.java | core-java-modules/core-java-collections-list-2/src/test/java/com/baeldung/java/list/ListJUnitTest.java | package com.baeldung.java.list;
import org.junit.Assert;
import org.junit.Test;
import java.util.Arrays;
import java.util.List;
import java.util.Set;
import java.util.HashSet;
import java.util.stream.Collectors;
public class ListJUnitTest {
private final List<String> list1 = Arrays.asList("1", "2", "3", "4");
... | 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-2/src/test/java/com/baeldung/java/list/ListAssertJUnitTest.java | core-java-modules/core-java-collections-list-2/src/test/java/com/baeldung/java/list/ListAssertJUnitTest.java | package com.baeldung.java.list;
import org.junit.Test;
import java.util.Arrays;
import java.util.List;
import static org.assertj.core.api.Assertions.assertThat;
public class ListAssertJUnitTest {
private final List<String> list1 = Arrays.asList("1", "2", "3", "4");
private final List<String> list2 = Arrays... | 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-2/src/main/java/com/baeldung/linkedlist/MethodsToInitializeLinkedList.java | core-java-modules/core-java-collections-list-2/src/main/java/com/baeldung/linkedlist/MethodsToInitializeLinkedList.java | package com.baeldung.linkedlist;
import java.util.LinkedList;
import java.util.ArrayList;
/**
* Demonstrates the different methods to
* initialize a LinkedList.
*/
public class MethodsToInitializeLinkedList {
/**
* Initialize an Empty List
*/
public void initializeEmptyList() {
Linke... | 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-2/src/main/java/com/baeldung/findastring/FindAStringInGivenList.java | core-java-modules/core-java-collections-list-2/src/main/java/com/baeldung/findastring/FindAStringInGivenList.java | package com.baeldung.findastring;
import com.google.common.base.Predicates;
import com.google.common.collect.Iterables;
import com.google.common.collect.Lists;
import org.apache.commons.collections4.IterableUtils;
import org.apache.commons.collections4.IteratorUtils;
import java.util.ArrayList;
import java.util.List;
... | 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-advanced-4/src/test/java/com/baeldung/volatilekeywordthreadsafety/VolatileVarNotThreadSafeUnitTest.java | core-java-modules/core-java-concurrency-advanced-4/src/test/java/com/baeldung/volatilekeywordthreadsafety/VolatileVarNotThreadSafeUnitTest.java | package com.baeldung.volatilekeywordthreadsafety;
import org.junit.jupiter.api.Assertions;
import org.junit.jupiter.api.Test;
public class VolatileVarNotThreadSafeUnitTest {
@Test
public void whenCalledMainMethod_thenIncrementCount() throws InterruptedException {
VolatileVarNotThreadSafe.main(null);
... | 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-advanced-4/src/test/java/com/baeldung/atomicvsvolatile/SafeAtomicCounterUnitTest.java | core-java-modules/core-java-concurrency-advanced-4/src/test/java/com/baeldung/atomicvsvolatile/SafeAtomicCounterUnitTest.java | package com.baeldung.atomicvsvolatile;
import static org.junit.Assert.assertEquals;
import java.util.concurrent.ExecutorService;
import java.util.concurrent.Executors;
import java.util.concurrent.TimeUnit;
import java.util.stream.IntStream;
import org.junit.Test;
public class SafeAtomicCounterUnitTest {
private... | 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-advanced-4/src/test/java/com/baeldung/lockbykey/SimultaneousEntriesLockByKeyUnitTest.java | core-java-modules/core-java-concurrency-advanced-4/src/test/java/com/baeldung/lockbykey/SimultaneousEntriesLockByKeyUnitTest.java | package com.baeldung.lockbykey;
import static org.junit.jupiter.api.Assertions.assertFalse;
import static org.junit.jupiter.api.Assertions.assertTrue;
import java.util.concurrent.atomic.AtomicBoolean;
import org.junit.jupiter.api.Test;
public class SimultaneousEntriesLockByKeyUnitTest {
@Test
void givenNoK... | 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-advanced-4/src/test/java/com/baeldung/lockbykey/LockByKeyUnitTest.java | core-java-modules/core-java-concurrency-advanced-4/src/test/java/com/baeldung/lockbykey/LockByKeyUnitTest.java | package com.baeldung.lockbykey;
import static org.junit.jupiter.api.Assertions.assertFalse;
import static org.junit.jupiter.api.Assertions.assertTrue;
import java.util.concurrent.atomic.AtomicBoolean;
import org.junit.jupiter.api.Test;
public class LockByKeyUnitTest {
@Test
void givenNoLockedKey_WhenLo... | 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-advanced-4/src/test/java/com/baeldung/lockbykey/SimpleExclusiveLockByKeyUnitTest.java | core-java-modules/core-java-concurrency-advanced-4/src/test/java/com/baeldung/lockbykey/SimpleExclusiveLockByKeyUnitTest.java | package com.baeldung.lockbykey;
import static org.junit.jupiter.api.Assertions.assertFalse;
import static org.junit.jupiter.api.Assertions.assertTrue;
import java.lang.reflect.Field;
import java.util.concurrent.ConcurrentHashMap;
import org.junit.jupiter.api.BeforeEach;
import org.junit.jupiter.api.Test;
public cla... | 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-advanced-4/src/test/java/com/baeldung/binarysemaphorereentrantlock/BinarySemaphoreVsReentrantLockUnitTest.java | core-java-modules/core-java-concurrency-advanced-4/src/test/java/com/baeldung/binarysemaphorereentrantlock/BinarySemaphoreVsReentrantLockUnitTest.java | package com.baeldung.binarysemaphorereentrantlock;
import static org.junit.Assert.assertEquals;
import java.util.concurrent.Semaphore;
import java.util.concurrent.locks.ReentrantLock;
import org.junit.Test;
public class BinarySemaphoreVsReentrantLockUnitTest {
@Test
public void givenBinarySemaphore_whenAcqu... | 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-advanced-4/src/main/java/com/baeldung/volatilekeywordthreadsafety/VolatileVarNotThreadSafe.java | core-java-modules/core-java-concurrency-advanced-4/src/main/java/com/baeldung/volatilekeywordthreadsafety/VolatileVarNotThreadSafe.java | package com.baeldung.volatilekeywordthreadsafety;
import org.slf4j.LoggerFactory;
import org.slf4j.Logger;
public class VolatileVarNotThreadSafe {
private static final Logger LOG = LoggerFactory.getLogger(VolatileVarNotThreadSafe.class);
private static volatile int count = 0;
private static final int MAX... | 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-advanced-4/src/main/java/com/baeldung/ownablesynchronizers/Application.java | core-java-modules/core-java-concurrency-advanced-4/src/main/java/com/baeldung/ownablesynchronizers/Application.java | package com.baeldung.ownablesynchronizers;
import java.util.concurrent.locks.ReentrantLock;
public class Application {
public static Thread createThread(ReentrantLock mainLock, ReentrantLock otherLock, String threadName) {
return new Thread(() -> {
try {
mainLock.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-advanced-4/src/main/java/com/baeldung/atomicvsvolatile/SafeAtomicCounter.java | core-java-modules/core-java-concurrency-advanced-4/src/main/java/com/baeldung/atomicvsvolatile/SafeAtomicCounter.java | package com.baeldung.atomicvsvolatile;
import java.util.concurrent.atomic.AtomicInteger;
public class SafeAtomicCounter {
private final AtomicInteger counter = new AtomicInteger(0);
public int getValue() {
return counter.get();
}
public void increment() {
counter.incrementAn... | 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-advanced-4/src/main/java/com/baeldung/atomicvsvolatile/UnsafeCounter.java | core-java-modules/core-java-concurrency-advanced-4/src/main/java/com/baeldung/atomicvsvolatile/UnsafeCounter.java | package com.baeldung.atomicvsvolatile;
public class UnsafeCounter {
private int counter;
public int getValue() {
return counter;
}
public void increment() {
counter++;
}
}
| 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-advanced-4/src/main/java/com/baeldung/atomicvsvolatile/UnsafeVolatileCounter.java | core-java-modules/core-java-concurrency-advanced-4/src/main/java/com/baeldung/atomicvsvolatile/UnsafeVolatileCounter.java | package com.baeldung.atomicvsvolatile;
public class UnsafeVolatileCounter {
private volatile int counter;
public int getValue() {
return counter;
}
public void increment() {
counter++;
}
}
| 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-advanced-4/src/main/java/com/baeldung/setvslazyset/Application.java | core-java-modules/core-java-concurrency-advanced-4/src/main/java/com/baeldung/setvslazyset/Application.java | package com.baeldung.setvslazyset;
import java.util.concurrent.atomic.AtomicInteger;
public class Application {
AtomicInteger atomic = new AtomicInteger(0);
public static void main(String[] args) {
Application app = new Application();
new Thread(() -> {
for (int i = 0; i < 10; 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-concurrency-advanced-4/src/main/java/com/baeldung/lockbykey/LockByKey.java | core-java-modules/core-java-concurrency-advanced-4/src/main/java/com/baeldung/lockbykey/LockByKey.java | package com.baeldung.lockbykey;
import java.util.concurrent.ConcurrentHashMap;
import java.util.concurrent.atomic.AtomicInteger;
import java.util.concurrent.locks.Lock;
import java.util.concurrent.locks.ReentrantLock;
public class LockByKey {
private static class LockWrapper {
private final Lock 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-advanced-4/src/main/java/com/baeldung/lockbykey/SimpleExclusiveLockByKey.java | core-java-modules/core-java-concurrency-advanced-4/src/main/java/com/baeldung/lockbykey/SimpleExclusiveLockByKey.java | package com.baeldung.lockbykey;
import java.util.Set;
import java.util.concurrent.ConcurrentHashMap;
public class SimpleExclusiveLockByKey {
private static Set<String> usedKeys= ConcurrentHashMap.newKeySet();
public boolean tryLock(String key) {
return usedKeys.add(key);
}
public vo... | 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-advanced-4/src/main/java/com/baeldung/lockbykey/SimultaneousEntriesLockByKey.java | core-java-modules/core-java-concurrency-advanced-4/src/main/java/com/baeldung/lockbykey/SimultaneousEntriesLockByKey.java | package com.baeldung.lockbykey;
import java.util.concurrent.ConcurrentHashMap;
import java.util.concurrent.Semaphore;
public class SimultaneousEntriesLockByKey {
private static final int ALLOWED_THREADS = 2;
private static ConcurrentHashMap<String, Semaphore> semaphores = new ConcurrentHashMap<String, 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-concurrency-advanced-4/src/main/java/com/baeldung/lockbykey/ExampleUsage.java | core-java-modules/core-java-concurrency-advanced-4/src/main/java/com/baeldung/lockbykey/ExampleUsage.java | package com.baeldung.lockbykey;
/**
* This class shows examples of how you should use the lock
*
*/
public class ExampleUsage {
void doWithSimpleExclusiveLock(String key) {
SimpleExclusiveLockByKey simpleExclusiveLockByKey = new SimpleExclusiveLockByKey();
if (simpleExclusiveLockByKey.tryLo... | 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-advanced-4/src/main/java/com/baeldung/threadsstartatsametime/WorkerWithCountDownLatch.java | core-java-modules/core-java-concurrency-advanced-4/src/main/java/com/baeldung/threadsstartatsametime/WorkerWithCountDownLatch.java | package com.baeldung.threadsstartatsametime;
import java.time.Instant;
import java.util.concurrent.CountDownLatch;
public class WorkerWithCountDownLatch extends Thread {
private CountDownLatch latch;
public WorkerWithCountDownLatch(String name, CountDownLatch latch) {
this.latch = latch;
setN... | 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-advanced-4/src/main/java/com/baeldung/threadsstartatsametime/ThreadsStartAtSameTime.java | core-java-modules/core-java-concurrency-advanced-4/src/main/java/com/baeldung/threadsstartatsametime/ThreadsStartAtSameTime.java | package com.baeldung.threadsstartatsametime;
import java.util.concurrent.BrokenBarrierException;
import java.util.concurrent.CountDownLatch;
import java.util.concurrent.CyclicBarrier;
import java.util.concurrent.Phaser;
public class ThreadsStartAtSameTime {
public static void main(String[] args) throws BrokenBar... | 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-advanced-4/src/main/java/com/baeldung/threadsstartatsametime/WorkerWithPhaser.java | core-java-modules/core-java-concurrency-advanced-4/src/main/java/com/baeldung/threadsstartatsametime/WorkerWithPhaser.java | package com.baeldung.threadsstartatsametime;
import java.time.Instant;
import java.util.concurrent.CountDownLatch;
import java.util.concurrent.Phaser;
public class WorkerWithPhaser extends Thread {
private Phaser phaser;
public WorkerWithPhaser(String name, Phaser phaser) {
this.phaser = phaser;
... | 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-advanced-4/src/main/java/com/baeldung/threadsstartatsametime/WorkerWithCyclicBarrier.java | core-java-modules/core-java-concurrency-advanced-4/src/main/java/com/baeldung/threadsstartatsametime/WorkerWithCyclicBarrier.java | package com.baeldung.threadsstartatsametime;
import java.time.Instant;
import java.util.concurrent.BrokenBarrierException;
import java.util.concurrent.CyclicBarrier;
public class WorkerWithCyclicBarrier extends Thread {
private CyclicBarrier barrier;
public WorkerWithCyclicBarrier(String name, CyclicBarrier ... | 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-advanced-4/src/main/java/com/baeldung/synchronizationbadpractices/SynchronizationBadPracticeExample.java | core-java-modules/core-java-concurrency-advanced-4/src/main/java/com/baeldung/synchronizationbadpractices/SynchronizationBadPracticeExample.java | package com.baeldung.synchronizationbadpractices;
public class SynchronizationBadPracticeExample {
public void stringBadPractice1() {
String stringLock = "LOCK_STRING";
synchronized (stringLock) {
// ...
}
}
private final String stringLock = "LOCK_STRING";
pub... | 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-advanced-4/src/main/java/com/baeldung/synchronizationbadpractices/AnimalBadPractice.java | core-java-modules/core-java-concurrency-advanced-4/src/main/java/com/baeldung/synchronizationbadpractices/AnimalBadPractice.java | package com.baeldung.synchronizationbadpractices;
public class AnimalBadPractice {
private String name;
private String owner;
public String getName() {
return name;
}
public String getOwner() {
return owner;
}
public synchronized void setName(String 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-concurrency-advanced-4/src/main/java/com/baeldung/synchronizationbadpractices/AnimalSolution.java | core-java-modules/core-java-concurrency-advanced-4/src/main/java/com/baeldung/synchronizationbadpractices/AnimalSolution.java | package com.baeldung.synchronizationbadpractices;
public class AnimalSolution {
private final Object objLock1 = new Object();
private final Object objLock2 = new Object();
private String name;
private String owner;
public String getName() {
return name;
}
public Str... | 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-advanced-4/src/main/java/com/baeldung/synchronizationbadpractices/SynchronizationSolutionExample.java | core-java-modules/core-java-concurrency-advanced-4/src/main/java/com/baeldung/synchronizationbadpractices/SynchronizationSolutionExample.java | package com.baeldung.synchronizationbadpractices;
public class SynchronizationSolutionExample {
private final String stringLock = new String("LOCK_STRING");
public void stringSolution() {
synchronized (stringLock) {
// ...
}
}
private int count = 0;
private final 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-concurrency-advanced-4/src/main/java/com/baeldung/threadparking/Application.java | core-java-modules/core-java-concurrency-advanced-4/src/main/java/com/baeldung/threadparking/Application.java | package com.baeldung.threadparking;
import java.util.concurrent.locks.LockSupport;
public class Application {
public static void main(String[] args) throws InterruptedException {
final Object syncObj = new Object();
Thread t = new Thread(() -> {
int acc = 0;
for (int i = 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-9/src/test/java/com/baeldung/java9/rangedates/DatesCollectionIterationUnitTest.java | core-java-modules/core-java-9/src/test/java/com/baeldung/java9/rangedates/DatesCollectionIterationUnitTest.java | package com.baeldung.java9.rangedates;
import java.time.LocalDate;
import java.time.ZoneId;
import java.time.temporal.ChronoUnit;
import java.util.ArrayList;
import java.util.Calendar;
import java.util.Collection;
import java.util.Date;
import java.util.List;
import java.util.stream.Collectors;
import org.junit.Test;... | java | MIT | 4463e58ffb73fe599bac2479abd84598c6e70a1a | 2026-01-04T14:45:57.069771Z | false |
eugenp/tutorials | https://github.com/eugenp/tutorials/blob/4463e58ffb73fe599bac2479abd84598c6e70a1a/core-java-modules/core-java-9/src/test/java/com/baeldung/java9/rangedates/RangeDatesIterationUnitTest.java | core-java-modules/core-java-9/src/test/java/com/baeldung/java9/rangedates/RangeDatesIterationUnitTest.java | package com.baeldung.java9.rangedates;
import java.time.LocalDate;
import java.time.temporal.ChronoUnit;
import java.util.Calendar;
import java.util.Date;
import org.junit.Test;
public class RangeDatesIterationUnitTest {
@Test
public void givenIterateBetweenDatesJava9_WhenStartDateAsTodayAndEndDateAs10DaysA... | java | MIT | 4463e58ffb73fe599bac2479abd84598c6e70a1a | 2026-01-04T14:45:57.069771Z | false |
eugenp/tutorials | https://github.com/eugenp/tutorials/blob/4463e58ffb73fe599bac2479abd84598c6e70a1a/core-java-modules/core-java-9/src/test/java/com/baeldung/java9/list/immutable/ImmutableArrayListUnitTest.java | core-java-modules/core-java-9/src/test/java/com/baeldung/java9/list/immutable/ImmutableArrayListUnitTest.java | package com.baeldung.java9.list.immutable;
import com.google.common.collect.ImmutableList;
import org.apache.commons.collections4.ListUtils;
import org.junit.Test;
import java.util.ArrayList;
import java.util.Arrays;
import java.util.Collections;
import java.util.List;
public class ImmutableArrayListUnitTest {
... | java | MIT | 4463e58ffb73fe599bac2479abd84598c6e70a1a | 2026-01-04T14:45:57.069771Z | false |
eugenp/tutorials | https://github.com/eugenp/tutorials/blob/4463e58ffb73fe599bac2479abd84598c6e70a1a/core-java-modules/core-java-9/src/test/java/com/baeldung/java9/interfaces/CustomFooUnitTest.java | core-java-modules/core-java-9/src/test/java/com/baeldung/java9/interfaces/CustomFooUnitTest.java | package com.baeldung.java9.interfaces;
import org.junit.jupiter.api.AfterEach;
import org.junit.jupiter.api.BeforeEach;
import org.junit.jupiter.api.Test;
import java.io.ByteArrayOutputStream;
import java.io.PrintStream;
import static org.assertj.core.api.Assertions.assertThat;
class CustomFooUnitTest {
private... | java | MIT | 4463e58ffb73fe599bac2479abd84598c6e70a1a | 2026-01-04T14:45:57.069771Z | false |
eugenp/tutorials | https://github.com/eugenp/tutorials/blob/4463e58ffb73fe599bac2479abd84598c6e70a1a/core-java-modules/core-java-9/src/test/java/com/baeldung/java9/methodhandles/MethodHandlesUnitTest.java | core-java-modules/core-java-9/src/test/java/com/baeldung/java9/methodhandles/MethodHandlesUnitTest.java | package com.baeldung.java9.methodhandles;
import static org.hamcrest.CoreMatchers.is;
import static org.junit.Assert.*;
import java.lang.invoke.MethodHandle;
import java.lang.invoke.MethodHandles;
import java.lang.invoke.MethodType;
import java.lang.invoke.WrongMethodTypeException;
import java.lang.reflect.Invocation... | java | MIT | 4463e58ffb73fe599bac2479abd84598c6e70a1a | 2026-01-04T14:45:57.069771Z | false |
eugenp/tutorials | https://github.com/eugenp/tutorials/blob/4463e58ffb73fe599bac2479abd84598c6e70a1a/core-java-modules/core-java-9/src/test/java/com/baeldung/java9/finalizers/FinalizeUnitTest.java | core-java-modules/core-java-9/src/test/java/com/baeldung/java9/finalizers/FinalizeUnitTest.java | package com.bealdung.java9.finalizers;
import org.junit.jupiter.api.Test;
import java.io.BufferedWriter;
import java.io.File;
import java.io.FileWriter;
import java.io.IOException;
import static org.junit.jupiter.api.Assertions.assertEquals;
class FinalizeUnitTest {
@Test
void givenFilename_whenGetLineNumb... | java | MIT | 4463e58ffb73fe599bac2479abd84598c6e70a1a | 2026-01-04T14:45:57.069771Z | false |
eugenp/tutorials | https://github.com/eugenp/tutorials/blob/4463e58ffb73fe599bac2479abd84598c6e70a1a/core-java-modules/core-java-9/src/test/java/com/baeldung/java9/delimiters/DelimiterDemoUnitTest.java | core-java-modules/core-java-9/src/test/java/com/baeldung/java9/delimiters/DelimiterDemoUnitTest.java | package com.baeldung.java9.delimiters;
import static org.junit.jupiter.api.Assertions.assertEquals;
import java.util.Arrays;
import java.util.List;
import java.util.function.BiFunction;
import java.util.regex.Pattern;
import org.junit.jupiter.api.Test;
class DelimiterDemoUnitTest {
@Test
void givenSimpleCh... | java | MIT | 4463e58ffb73fe599bac2479abd84598c6e70a1a | 2026-01-04T14:45:57.069771Z | false |
eugenp/tutorials | https://github.com/eugenp/tutorials/blob/4463e58ffb73fe599bac2479abd84598c6e70a1a/core-java-modules/core-java-9/src/test/java/com/baeldung/java9/language/stream/CollectionFilterUnitTest.java | core-java-modules/core-java-9/src/test/java/com/baeldung/java9/language/stream/CollectionFilterUnitTest.java | package com.baeldung.java9.language.stream;
import static org.assertj.core.api.Assertions.assertThat;
import java.util.Arrays;
import java.util.Collection;
import java.util.Collections;
import java.util.HashMap;
import java.util.List;
import java.util.Map;
import org.junit.jupiter.api.Test;
import org.junit.platform... | java | MIT | 4463e58ffb73fe599bac2479abd84598c6e70a1a | 2026-01-04T14:45:57.069771Z | false |
eugenp/tutorials | https://github.com/eugenp/tutorials/blob/4463e58ffb73fe599bac2479abd84598c6e70a1a/core-java-modules/core-java-9/src/test/java/com/baeldung/java9/inputstream/outputstream/InputStreamToOutputStreamUnitTest.java | core-java-modules/core-java-9/src/test/java/com/baeldung/java9/inputstream/outputstream/InputStreamToOutputStreamUnitTest.java | package com.baeldung.java9.inputstream.outputstream;
import static org.apache.commons.lang3.RandomStringUtils.randomAlphabetic;
import static org.junit.Assert.assertEquals;
import java.io.*;
import org.apache.commons.io.IOUtils;
import org.junit.Test;
import com.google.common.io.ByteStreams;
public class InputStre... | java | MIT | 4463e58ffb73fe599bac2479abd84598c6e70a1a | 2026-01-04T14:45:57.069771Z | false |
eugenp/tutorials | https://github.com/eugenp/tutorials/blob/4463e58ffb73fe599bac2479abd84598c6e70a1a/core-java-modules/core-java-9/src/main/java/com/baeldung/java9/prejpms/Book.java | core-java-modules/core-java-9/src/main/java/com/baeldung/java9/prejpms/Book.java | package com.baeldung.java9.prejpms;
import jakarta.xml.bind.annotation.XmlAttribute;
import jakarta.xml.bind.annotation.XmlElement;
import jakarta.xml.bind.annotation.XmlRootElement;
@XmlRootElement(name = "book")
public class Book {
private long id;
private String name;
public Book() {
}
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-9/src/main/java/com/baeldung/java9/prejpms/App.java | core-java-modules/core-java-9/src/main/java/com/baeldung/java9/prejpms/App.java | package com.baeldung.java9.prejpms;
import java.io.StringWriter;
import java.lang.StackWalker.Option;
import java.lang.StackWalker.StackFrame;
import java.util.Base64;
import java.util.concurrent.atomic.AtomicInteger;
import jakarta.xml.bind.JAXBContext;
import jakarta.xml.bind.Marshaller;
import com.sun.crypto.prov... | java | MIT | 4463e58ffb73fe599bac2479abd84598c6e70a1a | 2026-01-04T14:45:57.069771Z | false |
eugenp/tutorials | https://github.com/eugenp/tutorials/blob/4463e58ffb73fe599bac2479abd84598c6e70a1a/core-java-modules/core-java-9/src/main/java/com/baeldung/java9/rangedates/RangeDatesIteration.java | core-java-modules/core-java-9/src/main/java/com/baeldung/java9/rangedates/RangeDatesIteration.java | package com.baeldung.java9.rangedates;
import java.time.LocalDate;
import java.util.Calendar;
import java.util.Date;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
public class RangeDatesIteration {
private static final Logger log = LoggerFactory.getLogger(RangeDatesIteration.class);
public void 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-9/src/main/java/com/baeldung/java9/rangedates/DatesCollectionIteration.java | core-java-modules/core-java-9/src/main/java/com/baeldung/java9/rangedates/DatesCollectionIteration.java | package com.baeldung.java9.rangedates;
import java.util.Collection;
import java.util.Date;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
public class DatesCollectionIteration {
private static final Logger log = LoggerFactory.getLogger(DatesCollectionIteration.class);
public void iteratingRangeOfD... | java | MIT | 4463e58ffb73fe599bac2479abd84598c6e70a1a | 2026-01-04T14:45:57.069771Z | false |
eugenp/tutorials | https://github.com/eugenp/tutorials/blob/4463e58ffb73fe599bac2479abd84598c6e70a1a/core-java-modules/core-java-9/src/main/java/com/baeldung/java9/interfaces/CustomFoo.java | core-java-modules/core-java-9/src/main/java/com/baeldung/java9/interfaces/CustomFoo.java | package com.baeldung.java9.interfaces;
public class CustomFoo implements Foo {
public static void main(String... args) {
Foo customFoo = new CustomFoo();
customFoo.bar(); // 'Hello world!'
Foo.buzz(); // 'Hello static world!'
}
}
| java | MIT | 4463e58ffb73fe599bac2479abd84598c6e70a1a | 2026-01-04T14:45:57.069771Z | false |
eugenp/tutorials | https://github.com/eugenp/tutorials/blob/4463e58ffb73fe599bac2479abd84598c6e70a1a/core-java-modules/core-java-9/src/main/java/com/baeldung/java9/interfaces/Foo.java | core-java-modules/core-java-9/src/main/java/com/baeldung/java9/interfaces/Foo.java | package com.baeldung.java9.interfaces;
public interface Foo {
public default void bar() {
System.out.print("Hello");
baz();
}
public static void buzz() {
System.out.print("Hello");
staticBaz();
}
private void baz() {
System.out.print(" world!");
}
... | java | MIT | 4463e58ffb73fe599bac2479abd84598c6e70a1a | 2026-01-04T14:45:57.069771Z | false |
eugenp/tutorials | https://github.com/eugenp/tutorials/blob/4463e58ffb73fe599bac2479abd84598c6e70a1a/core-java-modules/core-java-9/src/main/java/com/baeldung/java9/methodhandles/Book.java | core-java-modules/core-java-9/src/main/java/com/baeldung/java9/methodhandles/Book.java | package com.baeldung.java9.methodhandles;
public class Book {
String id;
String title;
public Book(String id, String title) {
this.id = id;
this.title = title;
}
@SuppressWarnings("unused")
private String formatBook() {
return id + " > " + title;
}
}
| java | MIT | 4463e58ffb73fe599bac2479abd84598c6e70a1a | 2026-01-04T14:45:57.069771Z | false |
eugenp/tutorials | https://github.com/eugenp/tutorials/blob/4463e58ffb73fe599bac2479abd84598c6e70a1a/core-java-modules/core-java-9/src/main/java/com/baeldung/java9/maps/initialize/MapsInitializer.java | core-java-modules/core-java-9/src/main/java/com/baeldung/java9/maps/initialize/MapsInitializer.java | package com.baeldung.java9.maps.initialize;
import java.util.AbstractMap;
import java.util.HashMap;
import java.util.Map;
public class MapsInitializer {
@SuppressWarnings("unused")
public void createMapWithMapOf() {
Map<String, String> emptyMap = Map.of();
Map<String, String> singletonMap = M... | java | MIT | 4463e58ffb73fe599bac2479abd84598c6e70a1a | 2026-01-04T14:45:57.069771Z | false |
eugenp/tutorials | https://github.com/eugenp/tutorials/blob/4463e58ffb73fe599bac2479abd84598c6e70a1a/core-java-modules/core-java-9/src/main/java/com/baeldung/java9/finalizers/Product.java | core-java-modules/core-java-9/src/main/java/com/baeldung/java9/finalizers/Product.java | package com.bealdung.java9.finalizers;
class Product {
private final int id;
public Product(int id) {
this.id = id;
}
public int getId() {
return id;
}
} | java | MIT | 4463e58ffb73fe599bac2479abd84598c6e70a1a | 2026-01-04T14:45:57.069771Z | false |
eugenp/tutorials | https://github.com/eugenp/tutorials/blob/4463e58ffb73fe599bac2479abd84598c6e70a1a/core-java-modules/core-java-9/src/main/java/com/baeldung/java9/finalizers/CleaningDemo.java | core-java-modules/core-java-9/src/main/java/com/baeldung/java9/finalizers/CleaningDemo.java | package com.bealdung.java9.finalizers;
import java.lang.ref.Cleaner;
class CleaningDemo {
public static void main(String[] args) {
final Cleaner cleaner = Cleaner.create();
try (Order order = new Order(cleaner)) {
for (int i = 0; i < 10; i++) {
order.register(new Produ... | java | MIT | 4463e58ffb73fe599bac2479abd84598c6e70a1a | 2026-01-04T14:45:57.069771Z | false |
eugenp/tutorials | https://github.com/eugenp/tutorials/blob/4463e58ffb73fe599bac2479abd84598c6e70a1a/core-java-modules/core-java-9/src/main/java/com/baeldung/java9/finalizers/Resource.java | core-java-modules/core-java-9/src/main/java/com/baeldung/java9/finalizers/Resource.java | package com.bealdung.java9.finalizers;
import java.io.BufferedReader;
import java.io.FileNotFoundException;
import java.io.FileReader;
class Resource implements AutoCloseable {
final BufferedReader reader;
public Resource(String filename) throws FileNotFoundException {
reader = new BufferedReader(ne... | java | MIT | 4463e58ffb73fe599bac2479abd84598c6e70a1a | 2026-01-04T14:45:57.069771Z | false |
eugenp/tutorials | https://github.com/eugenp/tutorials/blob/4463e58ffb73fe599bac2479abd84598c6e70a1a/core-java-modules/core-java-9/src/main/java/com/baeldung/java9/finalizers/Order.java | core-java-modules/core-java-9/src/main/java/com/baeldung/java9/finalizers/Order.java | package com.bealdung.java9.finalizers;
import java.lang.ref.Cleaner;
class Order implements AutoCloseable {
private final Cleaner cleaner;
private Cleaner.Cleanable cleanable;
public Order(Cleaner cleaner) {
this.cleaner = cleaner;
}
public void register(Product product, int id) {
... | java | MIT | 4463e58ffb73fe599bac2479abd84598c6e70a1a | 2026-01-04T14:45:57.069771Z | false |
eugenp/tutorials | https://github.com/eugenp/tutorials/blob/4463e58ffb73fe599bac2479abd84598c6e70a1a/core-java-modules/core-java-9/src/main/java/com/baeldung/java9/delimiters/DelimiterDemo.java | core-java-modules/core-java-9/src/main/java/com/baeldung/java9/delimiters/DelimiterDemo.java | package com.baeldung.java9.delimiters;
import java.util.ArrayList;
import java.util.List;
import java.util.Scanner;
import java.util.regex.Pattern;
public class DelimiterDemo {
public static List<String> scannerWithDelimiter(String input, String delimiter) {
try (Scanner scan = new Scanner(input)) {
... | java | MIT | 4463e58ffb73fe599bac2479abd84598c6e70a1a | 2026-01-04T14:45:57.069771Z | false |
eugenp/tutorials | https://github.com/eugenp/tutorials/blob/4463e58ffb73fe599bac2479abd84598c6e70a1a/core-java-modules/core-java-9/src/main/java/com/baeldung/java9/language/stream/StreamsGroupingCollectionFilter.java | core-java-modules/core-java-9/src/main/java/com/baeldung/java9/language/stream/StreamsGroupingCollectionFilter.java | package com.baeldung.java9.language.stream;
import static java.util.stream.Collectors.filtering;
import static java.util.stream.Collectors.groupingBy;
import static java.util.stream.Collectors.toList;
import java.util.Collection;
import java.util.List;
import java.util.Map;
import java.util.function.Function;
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-regex-2/src/test/java/com/baeldung/replacetokens/ReplacingTokensUnitTest.java | core-java-modules/core-java-regex-2/src/test/java/com/baeldung/replacetokens/ReplacingTokensUnitTest.java | package com.baeldung.replacetokens;
import org.junit.Test;
import java.util.ArrayList;
import java.util.HashMap;
import java.util.List;
import java.util.Map;
import java.util.regex.Matcher;
import java.util.regex.Pattern;
import static com.baeldung.replacetokens.ReplacingTokens.TITLE_CASE_PATTERN;
import static com.... | java | MIT | 4463e58ffb73fe599bac2479abd84598c6e70a1a | 2026-01-04T14:45:57.069771Z | false |
eugenp/tutorials | https://github.com/eugenp/tutorials/blob/4463e58ffb73fe599bac2479abd84598c6e70a1a/core-java-modules/core-java-regex-2/src/test/java/com/baeldung/regex/camelcasetowords/CamelCaseToWordsUnitTest.java | core-java-modules/core-java-regex-2/src/test/java/com/baeldung/regex/camelcasetowords/CamelCaseToWordsUnitTest.java | package com.baeldung.regex.camelcasetowords;
import org.junit.jupiter.api.Test;
import static com.baeldung.regex.camelcasetowords.CamelCaseToWords.findWordsInMixedCase;
import static org.assertj.core.api.Assertions.assertThat;
class CamelCaseToWordsUnitTest {
@Test
void givenPlainStringWithNonLetters_thenFi... | java | MIT | 4463e58ffb73fe599bac2479abd84598c6e70a1a | 2026-01-04T14:45:57.069771Z | false |
eugenp/tutorials | https://github.com/eugenp/tutorials/blob/4463e58ffb73fe599bac2479abd84598c6e70a1a/core-java-modules/core-java-regex-2/src/test/java/com/baeldung/regex/camelcasetowords/RecapitalizeUnitTest.java | core-java-modules/core-java-regex-2/src/test/java/com/baeldung/regex/camelcasetowords/RecapitalizeUnitTest.java | package com.baeldung.regex.camelcasetowords;
import org.junit.jupiter.api.Test;
import java.util.Arrays;
import static com.baeldung.regex.camelcasetowords.Recapitalize.*;
import static org.assertj.core.api.Assertions.assertThat;
class RecapitalizeUnitTest {
@Test
void givenWords_thenCanComposeSentence() {
... | java | MIT | 4463e58ffb73fe599bac2479abd84598c6e70a1a | 2026-01-04T14:45:57.069771Z | false |
eugenp/tutorials | https://github.com/eugenp/tutorials/blob/4463e58ffb73fe599bac2479abd84598c6e70a1a/core-java-modules/core-java-regex-2/src/test/java/com/baeldung/regex/noncapturinggroups/NonCapturingGroupUnitTest.java | core-java-modules/core-java-regex-2/src/test/java/com/baeldung/regex/noncapturinggroups/NonCapturingGroupUnitTest.java | package com.baeldung.regex.noncapturinggroups;
import org.assertj.core.api.Assertions;
import org.junit.jupiter.api.Test;
import java.util.regex.Matcher;
import java.util.regex.Pattern;
public class NonCapturingGroupUnitTest {
private static final Pattern SIMPLE_URL_PATTERN = Pattern.compile("[^:]+://(?:[.a-z]+... | java | MIT | 4463e58ffb73fe599bac2479abd84598c6e70a1a | 2026-01-04T14:45:57.069771Z | false |
eugenp/tutorials | https://github.com/eugenp/tutorials/blob/4463e58ffb73fe599bac2479abd84598c6e70a1a/core-java-modules/core-java-regex-2/src/test/java/com/baeldung/regex/indexesofmatches/IndexesOfMatchesUnitTest.java | core-java-modules/core-java-regex-2/src/test/java/com/baeldung/regex/indexesofmatches/IndexesOfMatchesUnitTest.java | package com.baeldung.regex.indexesofmatches;
import static org.assertj.core.api.Assertions.assertThat;
import java.util.ArrayList;
import java.util.LinkedHashMap;
import java.util.List;
import java.util.Map;
import java.util.regex.Matcher;
import java.util.regex.Pattern;
import org.junit.jupiter.api.Test;
public 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-regex-2/src/test/java/com/baeldung/regex/lookaround/LookaroundUnitTest.java | core-java-modules/core-java-regex-2/src/test/java/com/baeldung/regex/lookaround/LookaroundUnitTest.java | package com.baeldung.regex.lookaround;
import static org.junit.jupiter.api.Assertions.assertEquals;
import static org.junit.jupiter.api.Assertions.assertFalse;
import static org.junit.jupiter.api.Assertions.assertTrue;
import java.util.regex.Matcher;
import java.util.regex.Pattern;
import org.junit.jupiter.api.Test;... | java | MIT | 4463e58ffb73fe599bac2479abd84598c6e70a1a | 2026-01-04T14:45:57.069771Z | false |
eugenp/tutorials | https://github.com/eugenp/tutorials/blob/4463e58ffb73fe599bac2479abd84598c6e70a1a/core-java-modules/core-java-regex-2/src/test/java/com/baeldung/regex/aftermatch/GetTextAfterTheRegexMatchUnitTest.java | core-java-modules/core-java-regex-2/src/test/java/com/baeldung/regex/aftermatch/GetTextAfterTheRegexMatchUnitTest.java | package com.baeldung.regex.aftermatch;
import org.junit.jupiter.api.Test;
import java.util.regex.Matcher;
import java.util.regex.Pattern;
import static org.junit.jupiter.api.Assertions.assertEquals;
import static org.junit.jupiter.api.Assertions.assertTrue;
public class GetTextAfterTheRegexMatchUnitTest {
priva... | java | MIT | 4463e58ffb73fe599bac2479abd84598c6e70a1a | 2026-01-04T14:45:57.069771Z | false |
eugenp/tutorials | https://github.com/eugenp/tutorials/blob/4463e58ffb73fe599bac2479abd84598c6e70a1a/core-java-modules/core-java-regex-2/src/test/java/com/baeldung/regex/array/RegexMatchesUnitTest.java | core-java-modules/core-java-regex-2/src/test/java/com/baeldung/regex/array/RegexMatchesUnitTest.java | package com.baeldung.regex.array;
import static org.junit.jupiter.api.Assertions.assertArrayEquals;
import org.junit.jupiter.api.Test;
class RegexMatchesUnitTest {
@Test
void whenFourNums_thenFourMatches() {
RegexMatches rm = new RegexMatches();
String actual[] = rm.regexMatch("7801111211fsdafasdfa 780222222... | java | MIT | 4463e58ffb73fe599bac2479abd84598c6e70a1a | 2026-01-04T14:45:57.069771Z | false |
eugenp/tutorials | https://github.com/eugenp/tutorials/blob/4463e58ffb73fe599bac2479abd84598c6e70a1a/core-java-modules/core-java-regex-2/src/test/java/com/baeldung/regex/squarebrackets/ExtractTextBetweenSquareBracketsUnitTest.java | core-java-modules/core-java-regex-2/src/test/java/com/baeldung/regex/squarebrackets/ExtractTextBetweenSquareBracketsUnitTest.java | package com.baeldung.regex.squarebrackets;
import static org.assertj.core.api.Assertions.assertThat;
import java.util.ArrayList;
import java.util.List;
import java.util.regex.Matcher;
import java.util.regex.Pattern;
import org.junit.jupiter.api.Test;
import com.google.common.collect.Lists;
public class ExtractText... | java | MIT | 4463e58ffb73fe599bac2479abd84598c6e70a1a | 2026-01-04T14:45:57.069771Z | false |
eugenp/tutorials | https://github.com/eugenp/tutorials/blob/4463e58ffb73fe599bac2479abd84598c6e70a1a/core-java-modules/core-java-regex-2/src/main/java/com/baeldung/replacetokens/ReplacingTokens.java | core-java-modules/core-java-regex-2/src/main/java/com/baeldung/replacetokens/ReplacingTokens.java | package com.baeldung.replacetokens;
import java.util.function.Function;
import java.util.regex.Matcher;
import java.util.regex.Pattern;
public class ReplacingTokens {
public static final Pattern TITLE_CASE_PATTERN = Pattern.compile("(?<=^|[^A-Za-z])([A-Z][a-z]*)(?=[^A-Za-z]|$)");
/**
* Iterate over 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-regex-2/src/main/java/com/baeldung/regex/camelcasetowords/CamelCaseToWords.java | core-java-modules/core-java-regex-2/src/main/java/com/baeldung/regex/camelcasetowords/CamelCaseToWords.java | package com.baeldung.regex.camelcasetowords;
import java.util.ArrayList;
import java.util.List;
import java.util.regex.Matcher;
import java.util.regex.Pattern;
/**
* Convert a string in camelCase or TitleCase into a list of words
*/
public class CamelCaseToWords {
private static final Pattern WORD_FINDER = Patt... | java | MIT | 4463e58ffb73fe599bac2479abd84598c6e70a1a | 2026-01-04T14:45:57.069771Z | false |
eugenp/tutorials | https://github.com/eugenp/tutorials/blob/4463e58ffb73fe599bac2479abd84598c6e70a1a/core-java-modules/core-java-regex-2/src/main/java/com/baeldung/regex/camelcasetowords/Recapitalize.java | core-java-modules/core-java-regex-2/src/main/java/com/baeldung/regex/camelcasetowords/Recapitalize.java | package com.baeldung.regex.camelcasetowords;
import java.util.ArrayList;
import java.util.List;
import java.util.Set;
import java.util.stream.Collectors;
import java.util.stream.Stream;
public class Recapitalize {
private static final Set<String> STOP_WORDS = Stream.of("a", "an", "the", "and",
"but", "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-regex-2/src/main/java/com/baeldung/regex/array/RegexMatches.java | core-java-modules/core-java-regex-2/src/main/java/com/baeldung/regex/array/RegexMatches.java | package com.baeldung.regex.array;
import java.util.ArrayList;
import java.util.List;
import java.util.regex.*;
class RegexMatches {
String[] regexMatch(String strSearch)
{
List<String> matchesList = new ArrayList<String>();
String stringToSearch = strSearch;
Pattern p1 = Pattern.compile("780{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-oop-methods-2/src/test/java/com/baeldung/covariance/CovariantProducersUnitTest.java | core-java-modules/core-java-lang-oop-methods-2/src/test/java/com/baeldung/covariance/CovariantProducersUnitTest.java | package com.baeldung.covariance;
import org.junit.jupiter.api.Test;
import static org.junit.jupiter.api.Assertions.assertEquals;
import static org.junit.jupiter.api.Assertions.assertThrows;
public class CovariantProducersUnitTest {
@Test
public void whenInputIsArbitrary_thenProducerProducesString() {
... | 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-methods-2/src/test/java/com/baeldung/testhashcode/MyClass.java | core-java-modules/core-java-lang-oop-methods-2/src/test/java/com/baeldung/testhashcode/MyClass.java | package com.baeldung.testhashcode;
public class MyClass {
private String value;
public MyClass(String value) {
this.value = value;
}
@Override
public int hashCode() {
return value != null ? value.hashCode() : 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-methods-2/src/test/java/com/baeldung/testhashcode/HahCodeUnitTest.java | core-java-modules/core-java-lang-oop-methods-2/src/test/java/com/baeldung/testhashcode/HahCodeUnitTest.java | package com.baeldung.testhashcode;
import org.junit.Test;
import java.util.ArrayList;
import java.util.HashSet;
import java.util.List;
import java.util.Set;
import static org.junit.Assert.assertEquals;
public class HahCodeUnitTest {
@Test
public void givenObject_whenTestingHashCodeConsistency_thenConsistent... | 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-methods-2/src/test/java/com/baeldung/methodoverloadingoverriding/MethodOverloadingUnitTest.java | core-java-modules/core-java-lang-oop-methods-2/src/test/java/com/baeldung/methodoverloadingoverriding/MethodOverloadingUnitTest.java | package com.baeldung.methodoverloadingoverriding;
import com.baeldung.methodoverloadingoverriding.util.Multiplier;
import org.junit.BeforeClass;
import org.junit.Test;
import static org.assertj.core.api.Assertions.assertThat;
public class MethodOverloadingUnitTest {
private static Multiplier multiplier;
... | 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-methods-2/src/test/java/com/baeldung/methodoverloadingoverriding/MethodOverridingUnitTest.java | core-java-modules/core-java-lang-oop-methods-2/src/test/java/com/baeldung/methodoverloadingoverriding/MethodOverridingUnitTest.java | package com.baeldung.methodoverloadingoverriding;
import com.baeldung.methodoverloadingoverriding.model.Car;
import com.baeldung.methodoverloadingoverriding.model.Vehicle;
import org.junit.BeforeClass;
import org.junit.Test;
import static org.assertj.core.api.Assertions.assertThat;
public class MethodOverridingUnitT... | 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-methods-2/src/test/java/com/baeldung/methods/VehicleProcessorUnitTest.java | core-java-modules/core-java-lang-oop-methods-2/src/test/java/com/baeldung/methods/VehicleProcessorUnitTest.java | package com.baeldung.methods;
import org.junit.jupiter.api.Test;
import static org.assertj.core.api.Assertions.assertThat;
class VehicleProcessorUnitTest {
VehicleProcessor vehicleProcessor = new VehicleProcessor();
Vehicle vehicle = new Vehicle("Ford", "Focus", "red", 2200, true);
@Test
void given... | 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-methods-2/src/main/java/com/baeldung/signature/StaticBinding.java | core-java-modules/core-java-lang-oop-methods-2/src/main/java/com/baeldung/signature/StaticBinding.java | package com.baeldung.signature;
public class StaticBinding {
public Number sum(Integer term1, Integer term2) {
System.out.println("Adding integers");
return term1 + term2;
}
public Number sum(Number term1, Number term2) {
System.out.println("Adding numbers");
return term1.... | 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-methods-2/src/main/java/com/baeldung/signature/OverloadingErrors.java | core-java-modules/core-java-lang-oop-methods-2/src/main/java/com/baeldung/signature/OverloadingErrors.java | package com.baeldung.signature;
import java.io.Serializable;
public class OverloadingErrors<T extends Serializable> {
public void print() {
System.out.println("Signature is: print()");
}
/*
// Uncommenting this method will lead to a compilation error: java: method print() is already defined ... | 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-methods-2/src/main/java/com/baeldung/covariance/Producer.java | core-java-modules/core-java-lang-oop-methods-2/src/main/java/com/baeldung/covariance/Producer.java | package com.baeldung.covariance;
public class Producer {
public Object produce(String input) {
Object result = input.toLowerCase();
return result;
}
}
| 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-methods-2/src/main/java/com/baeldung/covariance/IntegerProducer.java | core-java-modules/core-java-lang-oop-methods-2/src/main/java/com/baeldung/covariance/IntegerProducer.java | package com.baeldung.covariance;
public class IntegerProducer extends Producer {
@Override
public Integer produce(String input) {
return Integer.parseInt(input);
}
}
| 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-methods-2/src/main/java/com/baeldung/methodoverloadingoverriding/util/Multiplier.java | core-java-modules/core-java-lang-oop-methods-2/src/main/java/com/baeldung/methodoverloadingoverriding/util/Multiplier.java | package com.baeldung.methodoverloadingoverriding.util;
public class Multiplier {
public int multiply(int a, int b) {
return a * b;
}
public int multiply(int a, int b, int c) {
return a * b * c;
}
public double multiply(double a, double b) {
return a * b;
}... | 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-methods-2/src/main/java/com/baeldung/methodoverloadingoverriding/model/Vehicle.java | core-java-modules/core-java-lang-oop-methods-2/src/main/java/com/baeldung/methodoverloadingoverriding/model/Vehicle.java | package com.baeldung.methodoverloadingoverriding.model;
public class Vehicle {
public String accelerate(long mph) {
return "The vehicle accelerates at : " + mph + " MPH.";
}
public String stop() {
return "The vehicle has stopped.";
}
public String run() {
retu... | 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-methods-2/src/main/java/com/baeldung/methodoverloadingoverriding/model/Car.java | core-java-modules/core-java-lang-oop-methods-2/src/main/java/com/baeldung/methodoverloadingoverriding/model/Car.java | package com.baeldung.methodoverloadingoverriding.model;
public class Car extends Vehicle {
@Override
public String accelerate(long mph) {
return "The car accelerates at : " + mph + " MPH.";
}
}
| 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-methods-2/src/main/java/com/baeldung/methodoverloadingoverriding/application/Application.java | core-java-modules/core-java-lang-oop-methods-2/src/main/java/com/baeldung/methodoverloadingoverriding/application/Application.java | package com.baeldung.methodoverloadingoverriding.application;
import com.baeldung.methodoverloadingoverriding.model.Car;
import com.baeldung.methodoverloadingoverriding.model.Vehicle;
import com.baeldung.methodoverloadingoverriding.util.Multiplier;
public class Application {
public static void main(String[] ... | java | MIT | 4463e58ffb73fe599bac2479abd84598c6e70a1a | 2026-01-04T14:45:57.069771Z | false |
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