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-numbers-8/src/main/java/com/baeldung/validatestringnumber/StringNumberValidator.java | core-java-modules/core-java-numbers-8/src/main/java/com/baeldung/validatestringnumber/StringNumberValidator.java | package com.baeldung.validatestringnumber;
import java.math.BigDecimal;
import java.util.regex.Pattern;
import org.apache.commons.lang3.math.NumberUtils;
public class StringNumberValidator {
private static final Pattern NUMBER_PATTERN = Pattern.compile("^[-+]?[0-9]*\\.?[0-9]+([eE][-+]?[0-9]+)?$");
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-numbers-8/src/main/java/com/baeldung/arbitrarylengthbinaryintegers/BinaryStringOperations.java | core-java-modules/core-java-numbers-8/src/main/java/com/baeldung/arbitrarylengthbinaryintegers/BinaryStringOperations.java | package com.baeldung.arbitrarylengthbinaryintegers;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
public class BinaryStringOperations {
private static final Logger log = LoggerFactory.getLogger(BinaryStringOperations.class);
public static void main(String[] args) {
String a = "+1101001010... | java | MIT | 4463e58ffb73fe599bac2479abd84598c6e70a1a | 2026-01-04T14:45:57.069771Z | false |
eugenp/tutorials | https://github.com/eugenp/tutorials/blob/4463e58ffb73fe599bac2479abd84598c6e70a1a/core-java-modules/core-java-numbers-8/src/main/java/com/baeldung/arbitrarylengthbinaryintegers/BigIntegerExample.java | core-java-modules/core-java-numbers-8/src/main/java/com/baeldung/arbitrarylengthbinaryintegers/BigIntegerExample.java | package com.baeldung.arbitrarylengthbinaryintegers;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import java.math.BigInteger;
public class BigIntegerExample {
private static final Logger log = LoggerFactory.getLogger(BigIntegerExample.class);
public static void main(String[] args) {
Big... | java | MIT | 4463e58ffb73fe599bac2479abd84598c6e70a1a | 2026-01-04T14:45:57.069771Z | false |
eugenp/tutorials | https://github.com/eugenp/tutorials/blob/4463e58ffb73fe599bac2479abd84598c6e70a1a/core-java-modules/core-java-numbers-8/src/main/java/com/baeldung/arbitrarylengthbinaryintegers/BinaryLiterals.java | core-java-modules/core-java-numbers-8/src/main/java/com/baeldung/arbitrarylengthbinaryintegers/BinaryLiterals.java | package com.baeldung.arbitrarylengthbinaryintegers;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
public class BinaryLiterals {
private static final Logger log = LoggerFactory.getLogger(BinaryLiterals.class);
public static void main(String[] args) {
int a = 0b110100101101010;
int ... | 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-4/src/test/java/com/baeldung/nestedhashmaps/NestedHashMapExamplesClassUnitTest.java | core-java-modules/core-java-collections-maps-4/src/test/java/com/baeldung/nestedhashmaps/NestedHashMapExamplesClassUnitTest.java | package com.baeldung.nestedhashmaps;
import java.util.ArrayList;
import java.util.Arrays;
import java.util.HashMap;
import java.util.List;
import java.util.Map;
import java.util.stream.Collectors;
import org.junit.Assert;
import org.junit.Before;
import org.junit.Test;
import static org.hamcrest.CoreMatchers.equalTo... | 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-4/src/test/java/com/baeldung/multivaluedmap/MultivaluedMapUnitTest.java | core-java-modules/core-java-collections-maps-4/src/test/java/com/baeldung/multivaluedmap/MultivaluedMapUnitTest.java | package com.baeldung.multivaluedmap;
import org.apache.commons.collections4.MultiMapUtils;
import org.apache.commons.collections4.MultiSet;
import org.apache.commons.collections4.MultiValuedMap;
import org.apache.commons.collections4.multimap.ArrayListValuedHashMap;
import org.apache.commons.collections4.multimap.Hash... | 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-4/src/test/java/com/baeldung/maps/CoordinateKeyUnitTest.java | core-java-modules/core-java-collections-maps-4/src/test/java/com/baeldung/maps/CoordinateKeyUnitTest.java | package com.baeldung.maps;
import org.junit.jupiter.api.Tag;
import org.junit.jupiter.api.Test;
import java.awt.*;
import java.util.HashMap;
import java.util.Map;
import static org.junit.jupiter.api.Assertions.assertEquals;
import static org.junit.jupiter.api.Assertions.assertNotNull;
public class CoordinateKeyUnit... | 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-4/src/test/java/com/baeldung/maps/CoordinateMutableKeyUnitTest.java | core-java-modules/core-java-collections-maps-4/src/test/java/com/baeldung/maps/CoordinateMutableKeyUnitTest.java | package com.baeldung.maps;
import org.junit.jupiter.api.Test;
import java.awt.*;
import java.util.HashMap;
import java.util.Map;
import static org.junit.jupiter.api.Assertions.assertEquals;
import static org.junit.jupiter.api.Assertions.assertNull;
public class CoordinateMutableKeyUnitTest {
@Test
void tes... | 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-4/src/test/java/com/baeldung/mapandhashmap/printer/HashMapPrinterUnitTest.java | core-java-modules/core-java-collections-maps-4/src/test/java/com/baeldung/mapandhashmap/printer/HashMapPrinterUnitTest.java | package com.baeldung.mapandhashmap.printer;
import static org.assertj.core.api.AssertionsForClassTypes.assertThat;
import java.io.ByteArrayOutputStream;
import java.io.PrintStream;
import java.util.HashMap;
import java.util.LinkedHashMap;
import org.junit.jupiter.api.BeforeEach;
import org.junit.jupiter.api.DisplayNa... | 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-4/src/test/java/com/baeldung/mapandhashmap/printer/MapPrinterUnitTest.java | core-java-modules/core-java-collections-maps-4/src/test/java/com/baeldung/mapandhashmap/printer/MapPrinterUnitTest.java | package com.baeldung.mapandhashmap.printer;
import static org.assertj.core.api.AssertionsForClassTypes.assertThat;
import java.io.ByteArrayOutputStream;
import java.io.PrintStream;
import java.util.HashMap;
import java.util.LinkedHashMap;
import java.util.TreeMap;
import org.junit.jupiter.api.BeforeEach;
import org.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-maps-4/src/test/java/com/baeldung/mapandhashmap/printer/MapReporterUnitTest.java | core-java-modules/core-java-collections-maps-4/src/test/java/com/baeldung/mapandhashmap/printer/MapReporterUnitTest.java | package com.baeldung.mapandhashmap.printer;
import static org.assertj.core.api.AssertionsForClassTypes.assertThat;
import java.io.ByteArrayOutputStream;
import java.io.PrintStream;
import java.util.HashMap;
import java.util.LinkedHashMap;
import java.util.TreeMap;
import org.junit.jupiter.api.BeforeEach;
import org.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-maps-4/src/test/java/com/baeldung/entries/SimpleCustomKeyValueUnitTest.java | core-java-modules/core-java-collections-maps-4/src/test/java/com/baeldung/entries/SimpleCustomKeyValueUnitTest.java | package com.baeldung.entries;
import com.google.common.collect.ImmutableMap;
import org.junit.jupiter.api.Test;
import java.util.Map;
import java.util.stream.Stream;
import static org.assertj.core.api.Assertions.assertThat;
import static org.assertj.core.api.Assertions.tuple;
class SimpleCustomKeyValueUnitTest {
... | 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-4/src/test/java/com/baeldung/entries/EntriesExampleUnitTest.java | core-java-modules/core-java-collections-maps-4/src/test/java/com/baeldung/entries/EntriesExampleUnitTest.java | package com.baeldung.entries;
import com.google.common.collect.Maps;
import org.apache.commons.collections4.KeyValue;
import org.apache.commons.collections4.keyvalue.DefaultMapEntry;
import org.apache.commons.collections4.keyvalue.UnmodifiableMapEntry;
import org.junit.jupiter.api.Test;
import java.util.AbstractMap;
... | 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-4/src/main/java/com/baeldung/nestedhashmaps/Employee.java | core-java-modules/core-java-collections-maps-4/src/main/java/com/baeldung/nestedhashmaps/Employee.java | package com.baeldung.nestedhashmaps;
public class Employee {
private Integer employeeId;
private Address address;
private String employeeName;
public Employee() {
super();
}
public Employee(Integer employeeId, Address address, String employeeName) {
this.employeeId = employee... | 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-4/src/main/java/com/baeldung/nestedhashmaps/Address.java | core-java-modules/core-java-collections-maps-4/src/main/java/com/baeldung/nestedhashmaps/Address.java | package com.baeldung.nestedhashmaps;
public class Address {
private Integer addressId;
private String addressLocation;
public Address() {
}
public Address(Integer addressId, String addressLocation) {
this.addressId = addressId;
this.addressLocation = addressLocation;
}
p... | 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-4/src/main/java/com/baeldung/nestedhashmaps/MapsUtil.java | core-java-modules/core-java-collections-maps-4/src/main/java/com/baeldung/nestedhashmaps/MapsUtil.java | package com.baeldung.nestedhashmaps;
import java.util.HashMap;
import java.util.List;
import java.util.Map;
import java.util.Map.Entry;
import java.util.stream.Collectors;
public class MapsUtil {
MapsUtil() {
super();
}
public Map<Integer, String> buildInnerMap(List<String> batterList) {
... | 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-4/src/main/java/com/baeldung/nestedhashmaps/NestedHashMapExamplesClass.java | core-java-modules/core-java-collections-maps-4/src/main/java/com/baeldung/nestedhashmaps/NestedHashMapExamplesClass.java | package com.baeldung.nestedhashmaps;
import java.util.ArrayList;
import java.util.HashMap;
import java.util.Map;
import java.util.List;
public class NestedHashMapExamplesClass {
public static void main(String[] args) {
MapsUtil mUtil = new MapsUtil();
List<String> batterList = new ArrayList<>()... | 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-4/src/main/java/com/baeldung/maps/CoordinateKey.java | core-java-modules/core-java-collections-maps-4/src/main/java/com/baeldung/maps/CoordinateKey.java | package com.baeldung.maps;
import java.util.Objects;
public class CoordinateKey {
private final int x;
private final int y;
private final int hashCode;
public CoordinateKey(int x, int y) {
this.x = x;
this.y = y;
this.hashCode = Objects.hash(x, y);
}
public int getX(... | 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-4/src/main/java/com/baeldung/maps/CoordinateSlowKey.java | core-java-modules/core-java-collections-maps-4/src/main/java/com/baeldung/maps/CoordinateSlowKey.java | package com.baeldung.maps;
public class CoordinateSlowKey extends CoordinateKey {
public CoordinateSlowKey(int x, int y) {
super(x, y);
}
@Override
public int hashCode() {
return 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-collections-maps-4/src/main/java/com/baeldung/maps/CoordinateMutableKey.java | core-java-modules/core-java-collections-maps-4/src/main/java/com/baeldung/maps/CoordinateMutableKey.java | package com.baeldung.maps;
import java.util.Objects;
public class CoordinateMutableKey {
private int x;
private int y;
public CoordinateMutableKey(int x, int y) {
this.x = x;
this.y = y;
}
public int getX() {
return x;
}
public void setX(int x) {
this.x ... | 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-4/src/main/java/com/baeldung/mapandhashmap/Main.java | core-java-modules/core-java-collections-maps-4/src/main/java/com/baeldung/mapandhashmap/Main.java | package com.baeldung.mapandhashmap;
import com.baeldung.mapandhashmap.printer.HashMapPrinter;
import com.baeldung.mapandhashmap.printer.MapPrinter;
import java.util.HashMap;
import java.util.Map;
import java.util.TreeMap;
public class Main {
public static void main(String[] args) {
Map<String, String> map... | 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-4/src/main/java/com/baeldung/mapandhashmap/printer/MapPrinter.java | core-java-modules/core-java-collections-maps-4/src/main/java/com/baeldung/mapandhashmap/printer/MapPrinter.java | package com.baeldung.mapandhashmap.printer;
import java.util.Map;
import java.util.Map.Entry;
public class MapPrinter {
public void printMap(final Map<?, ?> map) {
for (final Entry<?, ?> entry : map.entrySet()) {
System.out.println(entry.getKey() + " " + entry.getValue());
}
}
}
| 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-4/src/main/java/com/baeldung/mapandhashmap/printer/HashMapPrinter.java | core-java-modules/core-java-collections-maps-4/src/main/java/com/baeldung/mapandhashmap/printer/HashMapPrinter.java | package com.baeldung.mapandhashmap.printer;
import java.util.HashMap;
import java.util.Map.Entry;
public class HashMapPrinter {
public void printMap(final HashMap<?, ?> map) {
for (final Entry<?, ?> entry : map.entrySet()) {
System.out.println(entry.getKey() + " " + entry.getValue());
... | 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-4/src/main/java/com/baeldung/mapandhashmap/printer/MapReporter.java | core-java-modules/core-java-collections-maps-4/src/main/java/com/baeldung/mapandhashmap/printer/MapReporter.java | package com.baeldung.mapandhashmap.printer;
import java.util.Map;
import java.util.Map.Entry;
public class MapReporter {
private final Map<?, ?> map;
public MapReporter(final Map<?, ?> map) {
this.map = map;
}
public void printMap() {
for (final Entry<?, ?> entry : this.map.entrySet... | 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-4/src/main/java/com/baeldung/entries/SimpleCustomKeyValue.java | core-java-modules/core-java-collections-maps-4/src/main/java/com/baeldung/entries/SimpleCustomKeyValue.java | package com.baeldung.entries;
import java.util.Map;
import java.util.Objects;
import java.util.StringJoiner;
public class SimpleCustomKeyValue<K, V> implements Map.Entry<K, V> {
private final K key;
private V value;
public SimpleCustomKeyValue(K key, V value) {
this.key = key;
this.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-23/src/test/java/com/baeldung/requirenonnull/RequireNonNullUnitTest.java | core-java-modules/core-java-23/src/test/java/com/baeldung/requirenonnull/RequireNonNullUnitTest.java | package com.baeldung.requirenonnull;
import java.time.Instant;
import java.util.Objects;
import java.util.Random;
import java.util.UUID;
import org.junit.jupiter.api.Assertions;
import org.junit.jupiter.api.Test;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
class RequireNonNullUnitTest {
private 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-23/src/test/java/com/baeldung/javafeatures/NumberOfFilesUnitTest.java | core-java-modules/core-java-23/src/test/java/com/baeldung/javafeatures/NumberOfFilesUnitTest.java | package com.baeldung.javafeatures;
import static org.assertj.core.api.Assertions.assertThat;
import java.util.function.Function;
import java.util.stream.Stream;
import org.junit.jupiter.params.ParameterizedTest;
import org.junit.jupiter.params.provider.Arguments;
import org.junit.jupiter.params.provider.MethodSource;... | java | MIT | 4463e58ffb73fe599bac2479abd84598c6e70a1a | 2026-01-04T14:45:57.069771Z | false |
eugenp/tutorials | https://github.com/eugenp/tutorials/blob/4463e58ffb73fe599bac2479abd84598c6e70a1a/core-java-modules/core-java-23/src/main/java/com/baeldung/javafeatures/ImplicitClass.java | core-java-modules/core-java-23/src/main/java/com/baeldung/javafeatures/ImplicitClass.java | import static java.io.IO.print;
import static java.io.IO.readln;
void main() {
String name = readln("Please enter your name: ");
print("Hello "+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-23/src/main/java/com/baeldung/javafeatures/FindFolder.java | core-java-modules/core-java-23/src/main/java/com/baeldung/javafeatures/FindFolder.java | package com.baeldung.javafeatures;
import static java.io.IO.println;
import java.io.File;
import java.io.IOException;
import java.nio.file.Files;
import java.nio.file.Path;
import java.nio.file.Paths;
import java.util.Arrays;
import java.util.Optional;
import java.util.function.Function;
import java.util.stream.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-23/src/main/java/com/baeldung/javafeatures/LabeledBreakAndContinueJava.java | core-java-modules/core-java-23/src/main/java/com/baeldung/javafeatures/LabeledBreakAndContinueJava.java | void main() {
System.out.println("Basics:");
showBasicBehaviour();
// ---
List<List<String>> listOfLists = List.of((List.of("here")));
var findByBreak = findByBreak(listOfLists, "target");
System.out.println("findByBreak: " + findByBreak);
var findByStreams = findByStreams(listOfLists, ... | 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-7/src/test/java/com/baeldung/adder/LongAdderUnitTest.java | core-java-modules/core-java-concurrency-advanced-7/src/test/java/com/baeldung/adder/LongAdderUnitTest.java | package com.baeldung.adder;
import static com.jayway.awaitility.Awaitility.await;
import static junit.framework.TestCase.assertEquals;
import java.util.concurrent.ExecutorService;
import java.util.concurrent.Executors;
import java.util.concurrent.TimeUnit;
import java.util.concurrent.atomic.LongAdder;
import java.uti... | 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-7/src/test/java/com/baeldung/accumulator/LongAccumulatorUnitTest.java | core-java-modules/core-java-concurrency-advanced-7/src/test/java/com/baeldung/accumulator/LongAccumulatorUnitTest.java | package com.baeldung.accumulator;
import static junit.framework.TestCase.assertEquals;
import java.util.concurrent.ExecutorService;
import java.util.concurrent.Executors;
import java.util.concurrent.TimeUnit;
import java.util.concurrent.atomic.LongAccumulator;
import java.util.function.LongBinaryOperator;
import java... | 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-7/src/test/java/com/baeldung/cyclicbarrier/CyclicBarrierCompletionMethodExampleUnitTest.java | core-java-modules/core-java-concurrency-advanced-7/src/test/java/com/baeldung/cyclicbarrier/CyclicBarrierCompletionMethodExampleUnitTest.java | package com.baeldung.cyclicbarrier;
import static org.junit.Assert.assertEquals;
import org.junit.Test;
public class CyclicBarrierCompletionMethodExampleUnitTest {
@Test
public void whenCyclicBarrier_countTrips() {
CyclicBarrierCompletionMethodExample ex = new CyclicBarrierCompletionMethodExampl... | 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-7/src/test/java/com/baeldung/phaser/PhaserUnitTest.java | core-java-modules/core-java-concurrency-advanced-7/src/test/java/com/baeldung/phaser/PhaserUnitTest.java | package com.baeldung.phaser;
import static junit.framework.TestCase.assertEquals;
import java.util.concurrent.Phaser;
import org.junit.FixMethodOrder;
import org.junit.Test;
import org.junit.runners.MethodSorters;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
@FixMethodOrder(MethodSorters.NAME_ASCENDING)... | 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-7/src/main/java/com/baeldung/producerconsumer/Producer.java | core-java-modules/core-java-concurrency-advanced-7/src/main/java/com/baeldung/producerconsumer/Producer.java | package com.baeldung.producerconsumer;
import java.util.concurrent.atomic.AtomicInteger;
import java.util.logging.Logger;
public class Producer implements Runnable {
private static final Logger log = Logger.getLogger(Producer.class.getCanonicalName());
private static final AtomicInteger idSequence = new Atomi... | 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-7/src/main/java/com/baeldung/producerconsumer/SimpleProducerConsumerDemonstrator.java | core-java-modules/core-java-concurrency-advanced-7/src/main/java/com/baeldung/producerconsumer/SimpleProducerConsumerDemonstrator.java | package com.baeldung.producerconsumer;
import static com.baeldung.producerconsumer.ThreadUtil.sleep;
import java.util.concurrent.BlockingQueue;
import java.util.concurrent.LinkedBlockingDeque;
import java.util.logging.Logger;
public class SimpleProducerConsumerDemonstrator {
private static final Logger log = Log... | 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-7/src/main/java/com/baeldung/producerconsumer/ThreadUtil.java | core-java-modules/core-java-concurrency-advanced-7/src/main/java/com/baeldung/producerconsumer/ThreadUtil.java | package com.baeldung.producerconsumer;
import java.util.List;
public class ThreadUtil {
public static void waitForAllThreadsToComplete(List<Thread> threads) {
for(Thread thread: threads) {
try {
thread.join();
} catch (InterruptedException e) {
e.pri... | 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-7/src/main/java/com/baeldung/producerconsumer/Message.java | core-java-modules/core-java-concurrency-advanced-7/src/main/java/com/baeldung/producerconsumer/Message.java | package com.baeldung.producerconsumer;
public class Message {
private int id;
private double data;
public Message(int id, double data) {
this.id = id;
this.data = data;
}
public int getId() {
return id;
}
public void setId(int id) {
this.id = 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-concurrency-advanced-7/src/main/java/com/baeldung/producerconsumer/DataQueue.java | core-java-modules/core-java-concurrency-advanced-7/src/main/java/com/baeldung/producerconsumer/DataQueue.java | package com.baeldung.producerconsumer;
import java.util.LinkedList;
import java.util.Queue;
public class DataQueue {
private final Queue<Message> queue = new LinkedList<>();
private final int maxSize;
private final Object IS_NOT_FULL = new Object();
private final Object IS_NOT_EMPTY = new Object();
... | 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-7/src/main/java/com/baeldung/producerconsumer/ProducerConsumerDemonstrator.java | core-java-modules/core-java-concurrency-advanced-7/src/main/java/com/baeldung/producerconsumer/ProducerConsumerDemonstrator.java | package com.baeldung.producerconsumer;
import static com.baeldung.producerconsumer.ThreadUtil.sleep;
import static com.baeldung.producerconsumer.ThreadUtil.waitForAllThreadsToComplete;
import java.util.ArrayList;
import java.util.List;
public class ProducerConsumerDemonstrator {
private static final int MAX_QUEU... | 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-7/src/main/java/com/baeldung/producerconsumer/Consumer.java | core-java-modules/core-java-concurrency-advanced-7/src/main/java/com/baeldung/producerconsumer/Consumer.java | package com.baeldung.producerconsumer;
import java.util.logging.Logger;
public class Consumer implements Runnable {
private static final Logger log = Logger.getLogger(Consumer.class.getCanonicalName());
private boolean running = false;
private final DataQueue dataQueue;
public Consumer(DataQueue data... | 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-7/src/main/java/com/baeldung/cyclicbarrier/CyclicBarrierDemo.java | core-java-modules/core-java-concurrency-advanced-7/src/main/java/com/baeldung/cyclicbarrier/CyclicBarrierDemo.java | package com.baeldung.cyclicbarrier;
import java.util.ArrayList;
import java.util.Collections;
import java.util.List;
import java.util.Random;
import java.util.concurrent.BrokenBarrierException;
import java.util.concurrent.CyclicBarrier;
public class CyclicBarrierDemo {
private CyclicBarrier cyclicBarrier;
pr... | 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-7/src/main/java/com/baeldung/cyclicbarrier/CyclicBarrierCompletionMethodExample.java | core-java-modules/core-java-concurrency-advanced-7/src/main/java/com/baeldung/cyclicbarrier/CyclicBarrierCompletionMethodExample.java | package com.baeldung.cyclicbarrier;
import java.util.concurrent.BrokenBarrierException;
import java.util.concurrent.CyclicBarrier;
import java.util.concurrent.ExecutorService;
import java.util.concurrent.Executors;
import java.util.concurrent.TimeUnit;
import java.util.concurrent.atomic.AtomicInteger;
public class Cy... | 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-7/src/main/java/com/baeldung/phaser/LongRunningAction.java | core-java-modules/core-java-concurrency-advanced-7/src/main/java/com/baeldung/phaser/LongRunningAction.java | package com.baeldung.phaser;
import java.util.concurrent.Phaser;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
class LongRunningAction implements Runnable {
private static final Logger log = LoggerFactory.getLogger(LongRunningAction.class);
private final String threadName;
private final Phase... | 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-7/src/main/java/com/baeldung/diningphilosophers/Philosopher.java | core-java-modules/core-java-concurrency-advanced-7/src/main/java/com/baeldung/diningphilosophers/Philosopher.java | package com.baeldung.diningphilosophers;
public class Philosopher implements Runnable {
private final Object leftFork;
private final Object rightFork;
Philosopher(Object left, Object right) {
this.leftFork = left;
this.rightFork = right;
}
private void doAction(String action) thr... | 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-7/src/main/java/com/baeldung/diningphilosophers/DiningPhilosophers.java | core-java-modules/core-java-concurrency-advanced-7/src/main/java/com/baeldung/diningphilosophers/DiningPhilosophers.java | package com.baeldung.diningphilosophers;
public class DiningPhilosophers {
public static void main(String[] args) throws Exception {
Philosopher[] philosophers = new Philosopher[5];
Object[] forks = new Object[philosophers.length];
for (int i = 0; i < forks.length; 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-oop-modifiers-2/src/test/java/com/baeldung/staticsingletondifference/ForSingletonsUnitTest.java | core-java-modules/core-java-lang-oop-modifiers-2/src/test/java/com/baeldung/staticsingletondifference/ForSingletonsUnitTest.java | package com.baeldung.staticsingletondifference;
import org.junit.Assert;
import org.junit.Test;
import java.io.*;
import java.util.stream.IntStream;
public class ForSingletonsUnitTest {
@Test
public void whenStaticUtilClassInheritance_thenOverridingFails() {
SuperUtility superUtility = new SubUtilit... | 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-2/src/test/java/com/baeldung/strictfpUsage/ScientificCalculatorUnitTest.java | core-java-modules/core-java-lang-oop-modifiers-2/src/test/java/com/baeldung/strictfpUsage/ScientificCalculatorUnitTest.java | package com.baeldung.strictfpUsage;
import org.junit.Test;
import static org.hamcrest.Matchers.is;
import static org.junit.Assert.assertThat;
public class ScientificCalculatorUnitTest {
@Test
public void whenMethodOfstrictfpClassInvoked_thenIdenticalResultOnAllPlatforms() {
ScientificCalculator calc... | 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-2/src/test/java/com/baeldung/publicmodifier/PublicAccessModifierUnitTest.java | core-java-modules/core-java-lang-oop-modifiers-2/src/test/java/com/baeldung/publicmodifier/PublicAccessModifierUnitTest.java | package com.baeldung.publicmodifier;
import org.junit.jupiter.api.Test;
import org.junit.jupiter.api.TestInstance;
import org.junit.jupiter.api.TestInstance.Lifecycle;
import java.math.BigDecimal;
import java.sql.Connection;
import java.sql.DriverManager;
import java.sql.SQLException;
import java.util.HashMap;
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-lang-oop-modifiers-2/src/test/java/com/baeldung/finalkeyword/FinalUnitTest.java | core-java-modules/core-java-lang-oop-modifiers-2/src/test/java/com/baeldung/finalkeyword/FinalUnitTest.java | package com.baeldung.finalkeyword;
import org.junit.Test;
import static org.junit.Assert.*;
public class FinalUnitTest {
@Test
public void whenChangedFinalClassProperties_thenChanged() {
Cat cat = new Cat();
cat.setWeight(1);
assertEquals(1, cat.getWeight());
}
@Test
pu... | 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-2/src/main/java/com/baeldung/staticsingletondifference/SerializableCloneableSingleton.java | core-java-modules/core-java-lang-oop-modifiers-2/src/main/java/com/baeldung/staticsingletondifference/SerializableCloneableSingleton.java | package com.baeldung.staticsingletondifference;
import java.io.ObjectStreamException;
import java.io.Serializable;
public class SerializableCloneableSingleton implements SingletonInterface, Serializable, Cloneable {
private static final long serialVersionUID = -1917003064592196223L;
private int state;
... | 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-2/src/main/java/com/baeldung/staticsingletondifference/MyLock.java | core-java-modules/core-java-lang-oop-modifiers-2/src/main/java/com/baeldung/staticsingletondifference/MyLock.java | package com.baeldung.staticsingletondifference;
public class MyLock {
protected String takeLock(int locks) {
return "Taken Specific 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-lang-oop-modifiers-2/src/main/java/com/baeldung/staticsingletondifference/SubUtility.java | core-java-modules/core-java-lang-oop-modifiers-2/src/main/java/com/baeldung/staticsingletondifference/SubUtility.java | package com.baeldung.staticsingletondifference;
public class SubUtility extends SuperUtility {
public static String echoIt(String data) {
return data;
}
}
| 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-2/src/main/java/com/baeldung/staticsingletondifference/SingletonInterface.java | core-java-modules/core-java-lang-oop-modifiers-2/src/main/java/com/baeldung/staticsingletondifference/SingletonInterface.java | package com.baeldung.staticsingletondifference;
public interface SingletonInterface {
public String describeMe();
public String passOnLocks(MyLock lock);
public void increment();
}
| 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-2/src/main/java/com/baeldung/staticsingletondifference/SuperUtility.java | core-java-modules/core-java-lang-oop-modifiers-2/src/main/java/com/baeldung/staticsingletondifference/SuperUtility.java | package com.baeldung.staticsingletondifference;
public class SuperUtility {
public static String echoIt(String data) {
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-lang-oop-modifiers-2/src/main/java/com/baeldung/staticsingletondifference/FileSystemSingleton.java | core-java-modules/core-java-lang-oop-modifiers-2/src/main/java/com/baeldung/staticsingletondifference/FileSystemSingleton.java | package com.baeldung.staticsingletondifference;
public class FileSystemSingleton implements SingletonInterface{
private int filesWritten;
private FileSystemSingleton() {
}
private static class SingletonHolder {
public static final FileSystemSingleton instance = new FileSystemSingleton();
... | 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-2/src/main/java/com/baeldung/staticsingletondifference/SingletonLock.java | core-java-modules/core-java-lang-oop-modifiers-2/src/main/java/com/baeldung/staticsingletondifference/SingletonLock.java | package com.baeldung.staticsingletondifference;
public class SingletonLock extends MyLock {
private SingletonLock() {
}
private static class SingletonHolder {
public static final SingletonLock instance = new SingletonLock();
}
public static SingletonLock getInstance() {
return Si... | 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-2/src/main/java/com/baeldung/staticsingletondifference/CachingSingleton.java | core-java-modules/core-java-lang-oop-modifiers-2/src/main/java/com/baeldung/staticsingletondifference/CachingSingleton.java | package com.baeldung.staticsingletondifference;
public class CachingSingleton implements SingletonInterface {
private CachingSingleton() {
}
private static class SingletonHolder {
public static final CachingSingleton instance = new CachingSingleton();
}
public static CachingSingleton get... | 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-2/src/main/java/com/baeldung/strictfpUsage/Circle.java | core-java-modules/core-java-lang-oop-modifiers-2/src/main/java/com/baeldung/strictfpUsage/Circle.java | package com.baeldung.strictfpUsage;
public strictfp interface Circle {
double computeArea(double radius);
}
| 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-2/src/main/java/com/baeldung/strictfpUsage/ScientificCalculator.java | core-java-modules/core-java-lang-oop-modifiers-2/src/main/java/com/baeldung/strictfpUsage/ScientificCalculator.java | package com.baeldung.strictfpUsage;
public strictfp class ScientificCalculator {
public double sum(double value1, double value2) {
return value1 + value2;
}
public double diff(double value1, double value2) {
return value1 - value2;
}
}
| 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-2/src/main/java/com/baeldung/privatemodifier/PublicOuterClass.java | core-java-modules/core-java-lang-oop-modifiers-2/src/main/java/com/baeldung/privatemodifier/PublicOuterClass.java | package com.baeldung.privatemodifier;
public class PublicOuterClass {
public PrivateInnerClass getInnerClassInstance() {
PrivateInnerClass myPrivateClassInstance = this.new PrivateInnerClass();
myPrivateClassInstance.id = "ID1";
myPrivateClassInstance.name = "Bob";
return myPrivate... | 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-2/src/main/java/com/baeldung/privatemodifier/Employee.java | core-java-modules/core-java-lang-oop-modifiers-2/src/main/java/com/baeldung/privatemodifier/Employee.java | package com.baeldung.privatemodifier;
public class Employee {
private String privateId;
private String name;
private boolean manager;
public Employee(String id, String name) {
setPrivateId(id);
setName(name);
}
private Employee(String id, String name, boolean managerAttribute... | 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-2/src/main/java/com/baeldung/privatemodifier/ExampleClass.java | core-java-modules/core-java-lang-oop-modifiers-2/src/main/java/com/baeldung/privatemodifier/ExampleClass.java | package com.baeldung.privatemodifier;
public class ExampleClass {
public static void main(String[] args) {
Employee employee = new Employee("Bob","ABC123");
employee.setPrivateId("BCD234");
System.out.println(employee.getPrivateId());
}
}
| 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-2/src/main/java/com/baeldung/publicmodifier/Student.java | core-java-modules/core-java-lang-oop-modifiers-2/src/main/java/com/baeldung/publicmodifier/Student.java | package com.baeldung.publicmodifier;
import java.math.BigDecimal;
import java.sql.Connection;
import java.sql.DriverManager;
import java.sql.SQLException;
import java.util.Date;
public class Student {
private StudentGrade grade; //new data representation
// private int grade; //old data representation
pri... | 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-2/src/main/java/com/baeldung/publicmodifier/SpecialCharacters.java | core-java-modules/core-java-lang-oop-modifiers-2/src/main/java/com/baeldung/publicmodifier/SpecialCharacters.java | package com.baeldung.publicmodifier;
public class SpecialCharacters {
public static final String SLASH = "/";
}
| 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-2/src/main/java/com/baeldung/publicmodifier/ListOfThree.java | core-java-modules/core-java-lang-oop-modifiers-2/src/main/java/com/baeldung/publicmodifier/ListOfThree.java | package com.baeldung.publicmodifier;
import java.util.AbstractList;
import java.util.Arrays;
public class ListOfThree<E> extends AbstractList<E> {
private static final int LENGTH = 3;
private Object[] elements;
public ListOfThree(E[] data) {
if(data == null
|| data.length != LEN... | 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-2/src/main/java/com/baeldung/finalkeyword/Dog.java | core-java-modules/core-java-lang-oop-modifiers-2/src/main/java/com/baeldung/finalkeyword/Dog.java | package com.baeldung.finalkeyword;
public class Dog {
public final void sound() {
}
}
| 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-2/src/main/java/com/baeldung/finalkeyword/Cat.java | core-java-modules/core-java-lang-oop-modifiers-2/src/main/java/com/baeldung/finalkeyword/Cat.java | package com.baeldung.finalkeyword;
public final class Cat {
private int weight;
public int getWeight() {
return weight;
}
public void setWeight(int weight) {
this.weight = weight;
}
public void methodWithFinalArguments(final int x) {
// x=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-modifiers-2/src/main/java/com/baeldung/finalkeyword/BlackDog.java | core-java-modules/core-java-lang-oop-modifiers-2/src/main/java/com/baeldung/finalkeyword/BlackDog.java | package com.baeldung.finalkeyword;
public class BlackDog extends Dog {
// public void sound() {
// }
}
| 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-2/src/main/java/com/baeldung/finalkeyword/BlackCat.java | core-java-modules/core-java-lang-oop-modifiers-2/src/main/java/com/baeldung/finalkeyword/BlackCat.java | package com.baeldung.finalkeyword;
public class BlackCat {
}
| 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/src/test/java/com/baeldung/threadlocal/ThreadLocalIntegrationTest.java | core-java-modules/core-java-concurrency-advanced/src/test/java/com/baeldung/threadlocal/ThreadLocalIntegrationTest.java | package com.baeldung.threadlocal;
import org.junit.Test;
import java.util.concurrent.ExecutionException;
import static org.junit.Assert.assertEquals;
public class ThreadLocalIntegrationTest {
@Test
public void givenThreadThatStoresContextInAMap_whenStartThread_thenShouldSetContextForBothUsers() throws Exec... | 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/src/test/java/com/baeldung/exceptionscompletablefuture/CompletableFutureExceptionsHandlingUnitTest.java | core-java-modules/core-java-concurrency-advanced/src/test/java/com/baeldung/exceptionscompletablefuture/CompletableFutureExceptionsHandlingUnitTest.java | package com.baeldung.exceptionscompletablefuture;
import java.util.List;
import java.util.concurrent.CompletableFuture;
import java.util.concurrent.CountDownLatch;
import java.util.concurrent.ExecutionException;
import java.util.stream.Stream;
import org.assertj.core.api.Assertions;
import org.junit.jupiter.params.Pa... | 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/src/test/java/com/baeldung/concurrent/locks/SharedObjectWithLockManualTest.java | core-java-modules/core-java-concurrency-advanced/src/test/java/com/baeldung/concurrent/locks/SharedObjectWithLockManualTest.java | package com.baeldung.concurrent.locks;
import org.junit.Test;
import java.util.concurrent.ExecutorService;
import java.util.concurrent.Executors;
import static junit.framework.TestCase.assertEquals;
public class SharedObjectWithLockManualTest {
@Test
public void whenLockAcquired_ThenLockedIsTrue() {
... | 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/src/test/java/com/baeldung/concurrent/locks/SynchronizedHashMapWithRWLockManualTest.java | core-java-modules/core-java-concurrency-advanced/src/test/java/com/baeldung/concurrent/locks/SynchronizedHashMapWithRWLockManualTest.java | package com.baeldung.concurrent.locks;
import org.junit.Test;
import java.util.concurrent.ExecutorService;
import java.util.concurrent.Executors;
import static junit.framework.TestCase.assertEquals;
public class SynchronizedHashMapWithRWLockManualTest {
@Test
public void whenWriting_ThenNoReading() {
... | 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/src/test/java/com/baeldung/concurrent/countdownlatch/CountdownLatchExampleIntegrationTest.java | core-java-modules/core-java-concurrency-advanced/src/test/java/com/baeldung/concurrent/countdownlatch/CountdownLatchExampleIntegrationTest.java | package com.baeldung.concurrent.countdownlatch;
import org.junit.Test;
import java.util.ArrayList;
import java.util.Collections;
import java.util.List;
import java.util.concurrent.CountDownLatch;
import java.util.concurrent.TimeUnit;
import java.util.stream.Stream;
import static java.util.stream.Collectors.toList;
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/src/test/java/com/baeldung/concurrent/atomic/ThreadUnsafeCounterManualTest.java | core-java-modules/core-java-concurrency-advanced/src/test/java/com/baeldung/concurrent/atomic/ThreadUnsafeCounterManualTest.java | package com.baeldung.concurrent.atomic;
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;
/**
* This test shows the behaviour of a thread-un... | 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/src/test/java/com/baeldung/concurrent/atomic/ThreadSafeCounterIntegrationTest.java | core-java-modules/core-java-concurrency-advanced/src/test/java/com/baeldung/concurrent/atomic/ThreadSafeCounterIntegrationTest.java | package com.baeldung.concurrent.atomic;
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 ThreadSafeCounterIntegrationTest {
... | 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/src/test/java/com/baeldung/forkjoin/Java8ForkJoinIntegrationTest.java | core-java-modules/core-java-concurrency-advanced/src/test/java/com/baeldung/forkjoin/Java8ForkJoinIntegrationTest.java | package com.baeldung.forkjoin;
import static org.junit.Assert.assertEquals;
import static org.junit.Assert.assertNotNull;
import static org.junit.Assert.assertTrue;
import java.util.Random;
import java.util.concurrent.ForkJoinPool;
import org.junit.Before;
import org.junit.Test;
import com.baeldung.forkjoin.util.Po... | 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/src/test/java/com/baeldung/threadpool/GuavaThreadPoolIntegrationTest.java | core-java-modules/core-java-concurrency-advanced/src/test/java/com/baeldung/threadpool/GuavaThreadPoolIntegrationTest.java | package com.baeldung.threadpool;
import java.util.concurrent.ExecutionException;
import java.util.concurrent.Executor;
import java.util.concurrent.ExecutorService;
import java.util.concurrent.Executors;
import java.util.concurrent.atomic.AtomicBoolean;
import java.util.stream.Collectors;
import com.google.common.util... | 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/src/test/java/com/baeldung/threadpool/CoreThreadPoolIntegrationTest.java | core-java-modules/core-java-concurrency-advanced/src/test/java/com/baeldung/threadpool/CoreThreadPoolIntegrationTest.java | package com.baeldung.threadpool;
import org.junit.Test;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import java.util.concurrent.*;
import java.util.concurrent.atomic.AtomicInteger;
import static org.junit.Assert.assertEquals;
public class CoreThreadPoolIntegrationTest {
private static final Logger... | 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/src/main/java/com/baeldung/threadlocal/UserRepository.java | core-java-modules/core-java-concurrency-advanced/src/main/java/com/baeldung/threadlocal/UserRepository.java | package com.baeldung.threadlocal;
import java.util.UUID;
public class UserRepository {
String getUserNameForUserId(Integer userId) {
return UUID.randomUUID().toString();
}
}
| 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/src/main/java/com/baeldung/threadlocal/Context.java | core-java-modules/core-java-concurrency-advanced/src/main/java/com/baeldung/threadlocal/Context.java | package com.baeldung.threadlocal;
public class Context {
private final String userName;
Context(String userName) {
this.userName = userName;
}
@Override
public String toString() {
return "Context{" +
"userNameSecret='" + userName + '\'' +
'}';
}
}
| 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/src/main/java/com/baeldung/threadlocal/ThreadLocalWithUserContext.java | core-java-modules/core-java-concurrency-advanced/src/main/java/com/baeldung/threadlocal/ThreadLocalWithUserContext.java | package com.baeldung.threadlocal;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
public class ThreadLocalWithUserContext implements Runnable {
private static final Logger LOG = LoggerFactory.getLogger(ThreadLocalWithUserContext.class);
private static final ThreadLocal<Context> userContext = new... | 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/src/main/java/com/baeldung/threadlocal/ThreadLocalAwareThreadPool.java | core-java-modules/core-java-concurrency-advanced/src/main/java/com/baeldung/threadlocal/ThreadLocalAwareThreadPool.java | package com.baeldung.threadlocal;
import java.util.concurrent.BlockingQueue;
import java.util.concurrent.RejectedExecutionHandler;
import java.util.concurrent.ThreadFactory;
import java.util.concurrent.ThreadPoolExecutor;
import java.util.concurrent.TimeUnit;
public class ThreadLocalAwareThreadPool extends ThreadPool... | 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/src/main/java/com/baeldung/threadlocal/SharedMapWithUserContext.java | core-java-modules/core-java-concurrency-advanced/src/main/java/com/baeldung/threadlocal/SharedMapWithUserContext.java | package com.baeldung.threadlocal;
import java.util.Map;
import java.util.concurrent.ConcurrentHashMap;
public class SharedMapWithUserContext implements Runnable {
final static Map<Integer, Context> userContextPerUserId = new ConcurrentHashMap<>();
private final Integer userId;
private UserRepository user... | 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/src/main/java/com/baeldung/async/EAAsyncExample.java | core-java-modules/core-java-concurrency-advanced/src/main/java/com/baeldung/async/EAAsyncExample.java | package com.baeldung.async;
import static com.ea.async.Async.await;
import java.util.concurrent.CompletableFuture;
import java.util.concurrent.ExecutionException;
import com.ea.async.Async;
public class EAAsyncExample {
static {
Async.init();
}
public static void main(String[] args) throws Exc... | 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/src/main/java/com/baeldung/async/JavaAsync.java | core-java-modules/core-java-concurrency-advanced/src/main/java/com/baeldung/async/JavaAsync.java | package com.baeldung.async;
import static com.ea.async.Async.await;
import java.util.concurrent.Callable;
import java.util.concurrent.CompletableFuture;
import java.util.concurrent.ExecutionException;
import java.util.concurrent.ExecutorService;
import java.util.concurrent.Executors;
import java.util.concurrent.Futur... | 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/src/main/java/com/baeldung/concurrent/locks/SharedObjectWithLock.java | core-java-modules/core-java-concurrency-advanced/src/main/java/com/baeldung/concurrent/locks/SharedObjectWithLock.java | package com.baeldung.concurrent.locks;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import java.util.concurrent.ExecutorService;
import java.util.concurrent.Executors;
import java.util.concurrent.TimeUnit;
import java.util.concurrent.locks.ReentrantLock;
import static java.lang.Thread.sleep;
public clas... | 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/src/main/java/com/baeldung/concurrent/locks/StampedLockDemo.java | core-java-modules/core-java-concurrency-advanced/src/main/java/com/baeldung/concurrent/locks/StampedLockDemo.java | package com.baeldung.concurrent.locks;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import java.util.HashMap;
import java.util.Map;
import java.util.concurrent.ExecutorService;
import java.util.concurrent.Executors;
import java.util.concurrent.locks.StampedLock;
import static java.lang.Thread.sleep;
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/src/main/java/com/baeldung/concurrent/locks/ReentrantLockWithCondition.java | core-java-modules/core-java-concurrency-advanced/src/main/java/com/baeldung/concurrent/locks/ReentrantLockWithCondition.java | package com.baeldung.concurrent.locks;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import java.util.Stack;
import java.util.concurrent.ExecutorService;
import java.util.concurrent.Executors;
import java.util.concurrent.locks.Condition;
import java.util.concurrent.locks.ReentrantLock;
import static java.... | 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/src/main/java/com/baeldung/concurrent/locks/SynchronizedHashMapWithRWLock.java | core-java-modules/core-java-concurrency-advanced/src/main/java/com/baeldung/concurrent/locks/SynchronizedHashMapWithRWLock.java | package com.baeldung.concurrent.locks;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import java.util.HashMap;
import java.util.Map;
import java.util.concurrent.ExecutorService;
import java.util.concurrent.Executors;
import java.util.concurrent.locks.Lock;
import java.util.concurrent.locks.ReadWriteLock;
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/src/main/java/com/baeldung/concurrent/countdownlatch/WaitingWorker.java | core-java-modules/core-java-concurrency-advanced/src/main/java/com/baeldung/concurrent/countdownlatch/WaitingWorker.java | package com.baeldung.concurrent.countdownlatch;
import java.util.List;
import java.util.concurrent.CountDownLatch;
public class WaitingWorker implements Runnable {
private final List<String> outputScraper;
private final CountDownLatch readyThreadCounter;
private final CountDownLatch callingThreadBlocker;... | 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/src/main/java/com/baeldung/concurrent/countdownlatch/BrokenWorker.java | core-java-modules/core-java-concurrency-advanced/src/main/java/com/baeldung/concurrent/countdownlatch/BrokenWorker.java | package com.baeldung.concurrent.countdownlatch;
import java.util.List;
import java.util.concurrent.CountDownLatch;
public class BrokenWorker implements Runnable {
private final List<String> outputScraper;
private final CountDownLatch countDownLatch;
BrokenWorker(final List<String> outputScraper, final Co... | 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/src/main/java/com/baeldung/concurrent/countdownlatch/Worker.java | core-java-modules/core-java-concurrency-advanced/src/main/java/com/baeldung/concurrent/countdownlatch/Worker.java | package com.baeldung.concurrent.countdownlatch;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import java.util.List;
import java.util.concurrent.CountDownLatch;
public class Worker implements Runnable {
private static Logger log = LoggerFactory.getLogger(Worker.class);
private final List<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-concurrency-advanced/src/main/java/com/baeldung/concurrent/atomic/SafeCounterWithLock.java | core-java-modules/core-java-concurrency-advanced/src/main/java/com/baeldung/concurrent/atomic/SafeCounterWithLock.java | package com.baeldung.concurrent.atomic;
public class SafeCounterWithLock {
private int counter;
int getValue() {
return counter;
}
synchronized 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/src/main/java/com/baeldung/concurrent/atomic/UnsafeCounter.java | core-java-modules/core-java-concurrency-advanced/src/main/java/com/baeldung/concurrent/atomic/UnsafeCounter.java | package com.baeldung.concurrent.atomic;
public class UnsafeCounter {
private int counter;
int getValue() {
return counter;
}
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/src/main/java/com/baeldung/concurrent/atomic/SafeCounterWithoutLock.java | core-java-modules/core-java-concurrency-advanced/src/main/java/com/baeldung/concurrent/atomic/SafeCounterWithoutLock.java | package com.baeldung.concurrent.atomic;
import java.util.concurrent.atomic.AtomicInteger;
public class SafeCounterWithoutLock {
private final AtomicInteger counter = new AtomicInteger(0);
int getValue() {
return counter.get();
}
void increment() {
counter.incrementAndGet();
... | 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/src/main/java/com/baeldung/forkjoin/CustomRecursiveTask.java | core-java-modules/core-java-concurrency-advanced/src/main/java/com/baeldung/forkjoin/CustomRecursiveTask.java | package com.baeldung.forkjoin;
import java.util.ArrayList;
import java.util.Arrays;
import java.util.Collection;
import java.util.List;
import java.util.concurrent.ForkJoinTask;
import java.util.concurrent.RecursiveTask;
public class CustomRecursiveTask extends RecursiveTask<Integer> {
private int[] arr;
pr... | 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/src/main/java/com/baeldung/forkjoin/CustomRecursiveAction.java | core-java-modules/core-java-concurrency-advanced/src/main/java/com/baeldung/forkjoin/CustomRecursiveAction.java | package com.baeldung.forkjoin;
import java.util.ArrayList;
import java.util.Collection;
import java.util.List;
import java.util.concurrent.ForkJoinTask;
import java.util.concurrent.RecursiveAction;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
public class CustomRecursiveAction extends RecursiveAction {
... | 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/src/main/java/com/baeldung/forkjoin/util/PoolUtil.java | core-java-modules/core-java-concurrency-advanced/src/main/java/com/baeldung/forkjoin/util/PoolUtil.java | package com.baeldung.forkjoin.util;
import java.util.concurrent.ForkJoinPool;
public class PoolUtil {
public static ForkJoinPool forkJoinPool = new ForkJoinPool(2);
}
| java | MIT | 4463e58ffb73fe599bac2479abd84598c6e70a1a | 2026-01-04T14:45:57.069771Z | false |
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