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 |
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eugenp/tutorials | https://github.com/eugenp/tutorials/blob/4463e58ffb73fe599bac2479abd84598c6e70a1a/core-java-modules/core-java-lang-5/src/main/java/com/baeldung/commandline/CommandLineWithoutErrorHandling.java | core-java-modules/core-java-lang-5/src/main/java/com/baeldung/commandline/CommandLineWithoutErrorHandling.java | package com.baeldung.commandline;
public class CommandLineWithoutErrorHandling {
public static void main(String[] args) {
System.out.println(args[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-5/src/main/java/com/baeldung/imports/wildcard/Book.java | core-java-modules/core-java-lang-5/src/main/java/com/baeldung/imports/wildcard/Book.java | package com.baeldung.imports.wildcard;
import java.util.*;
public class Book {
private UUID id;
private String name;
private Date datePublished;
private List<String> authors;
} | 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-5/src/main/java/com/baeldung/imports/wildcard/BookView.java | core-java-modules/core-java-lang-5/src/main/java/com/baeldung/imports/wildcard/BookView.java | package com.baeldung.imports.wildcard;
import java.awt.*;
import java.util.*;
import java.util.List;
public class BookView extends Frame {
private UUID id;
private String name;
private Date datePublished;
private List<String> authors;
} | 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-5/src/main/java/com/baeldung/imports/wildcard/Library.java | core-java-modules/core-java-lang-5/src/main/java/com/baeldung/imports/wildcard/Library.java | package com.baeldung.imports.wildcard;
import java.util.*;
import java.sql.*;
import java.sql.Date;
public class Library {
private UUID id;
private String name;
private Time openingTime;
private Time closingTime;
private List<Date> datesClosed;
} | 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-5/src/main/java/com/baeldung/imports/specific/Book.java | core-java-modules/core-java-lang-5/src/main/java/com/baeldung/imports/specific/Book.java | package com.baeldung.imports.specific;
import java.util.Date;
import java.util.List;
import java.util.UUID;
public class Book {
private UUID id;
private String name;
private Date datePublished;
private List<String> authors;
} | java | MIT | 4463e58ffb73fe599bac2479abd84598c6e70a1a | 2026-01-04T14:45:57.069771Z | false |
eugenp/tutorials | https://github.com/eugenp/tutorials/blob/4463e58ffb73fe599bac2479abd84598c6e70a1a/core-java-modules/core-java-arrays-convert/src/test/java/com/baeldung/array/conversions/ByteToCharArrayUnitTest.java | core-java-modules/core-java-arrays-convert/src/test/java/com/baeldung/array/conversions/ByteToCharArrayUnitTest.java | package com.baeldung.array.conversions;
import org.junit.Test;
import java.io.ByteArrayInputStream;
import java.io.ByteArrayOutputStream;
import java.io.IOException;
import java.io.InputStreamReader;
import java.nio.ByteBuffer;
import java.nio.CharBuffer;
import java.nio.charset.StandardCharsets;
import static 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-arrays-convert/src/test/java/com/baeldung/array/conversions/IntArrayToIterableConversionUtilsUnitTest.java | core-java-modules/core-java-arrays-convert/src/test/java/com/baeldung/array/conversions/IntArrayToIterableConversionUtilsUnitTest.java | package com.baeldung.array.conversions;
import org.junit.jupiter.api.Test;
import static com.baeldung.array.conversions.IntArrayToIterableConversionUtils.*;
import static org.junit.Assert.assertTrue;
class IntArrayToIterableConversionUtilsUnitTest {
private int[] ints = new int[]{1, 2, 3, 4, 5};
@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-arrays-convert/src/test/java/com/baeldung/array/conversions/CharArrayToIntArrayUtilsUnitTest.java | core-java-modules/core-java-arrays-convert/src/test/java/com/baeldung/array/conversions/CharArrayToIntArrayUtilsUnitTest.java | package com.baeldung.array.conversions;
import static org.junit.jupiter.api.Assertions.assertArrayEquals;
import org.junit.jupiter.api.Test;
class CharArrayToIntArrayUtilsUnitTest {
@Test
void givenCharArray_whenUsingGetNumericValueMethod_shouldGetIntArray() {
int[] expected = { 2, 3, 4, 5 };
... | java | MIT | 4463e58ffb73fe599bac2479abd84598c6e70a1a | 2026-01-04T14:45:57.069771Z | false |
eugenp/tutorials | https://github.com/eugenp/tutorials/blob/4463e58ffb73fe599bac2479abd84598c6e70a1a/core-java-modules/core-java-arrays-convert/src/test/java/com/baeldung/array/conversions/StreamArrayConversionUnitTest.java | core-java-modules/core-java-arrays-convert/src/test/java/com/baeldung/array/conversions/StreamArrayConversionUnitTest.java | package com.baeldung.array.conversions;
import static com.baeldung.array.conversions.StreamArrayConversion.intStreamToPrimitiveIntArray;
import static com.baeldung.array.conversions.StreamArrayConversion.integerStreamToIntegerArray;
import static com.baeldung.array.conversions.StreamArrayConversion.stringStreamToStrin... | java | MIT | 4463e58ffb73fe599bac2479abd84598c6e70a1a | 2026-01-04T14:45:57.069771Z | false |
eugenp/tutorials | https://github.com/eugenp/tutorials/blob/4463e58ffb73fe599bac2479abd84598c6e70a1a/core-java-modules/core-java-arrays-convert/src/test/java/com/baeldung/array/conversions/ByteArrayToPrimitiveByteArrayUnitTest.java | core-java-modules/core-java-arrays-convert/src/test/java/com/baeldung/array/conversions/ByteArrayToPrimitiveByteArrayUnitTest.java | package com.baeldung.array.conversions;
import static org.assertj.core.api.Assertions.assertThat;
import org.apache.commons.lang3.ArrayUtils;
import org.junit.jupiter.api.Test;
public class ByteArrayToPrimitiveByteArrayUnitTest {
private static final byte[] EXPECTED_ARRAY_VALUES = {65, 66, 67, 68};
private 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-arrays-convert/src/test/java/com/baeldung/array/conversions/PrimitiveByteArrayToByteArrayUnitTest.java | core-java-modules/core-java-arrays-convert/src/test/java/com/baeldung/array/conversions/PrimitiveByteArrayToByteArrayUnitTest.java | package com.baeldung.array.conversions;
import static org.assertj.core.api.Assertions.assertThat;
import java.util.Arrays;
import org.apache.commons.lang3.ArrayUtils;
import org.junit.jupiter.api.Test;
public class PrimitiveByteArrayToByteArrayUnitTest {
private static final byte[] PRIMITIVE_BYTE_ARRAY = {65, 6... | java | MIT | 4463e58ffb73fe599bac2479abd84598c6e70a1a | 2026-01-04T14:45:57.069771Z | false |
eugenp/tutorials | https://github.com/eugenp/tutorials/blob/4463e58ffb73fe599bac2479abd84598c6e70a1a/core-java-modules/core-java-arrays-convert/src/test/java/com/baeldung/array/conversions/ByteArrayToNumericRepresentationUnitTest.java | core-java-modules/core-java-arrays-convert/src/test/java/com/baeldung/array/conversions/ByteArrayToNumericRepresentationUnitTest.java | package com.baeldung.array.conversions;
import org.junit.Test;
import static com.baeldung.array.conversions.ByteArrayToNumericRepresentation.*;
import static org.junit.Assert.assertArrayEquals;
import static org.junit.Assert.assertEquals;
public class ByteArrayToNumericRepresentationUnitTest {
private static fin... | java | MIT | 4463e58ffb73fe599bac2479abd84598c6e70a1a | 2026-01-04T14:45:57.069771Z | false |
eugenp/tutorials | https://github.com/eugenp/tutorials/blob/4463e58ffb73fe599bac2479abd84598c6e70a1a/core-java-modules/core-java-arrays-convert/src/test/java/com/baeldung/array/conversions/StringArrayToIntArrayUnitTest.java | core-java-modules/core-java-arrays-convert/src/test/java/com/baeldung/array/conversions/StringArrayToIntArrayUnitTest.java | package com.baeldung.array.conversions;
import org.junit.jupiter.api.Test;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import java.util.Arrays;
import static org.junit.jupiter.api.Assertions.assertArrayEquals;
public class StringArrayToIntArrayUnitTest {
private final String[] stringArray = new St... | java | MIT | 4463e58ffb73fe599bac2479abd84598c6e70a1a | 2026-01-04T14:45:57.069771Z | false |
eugenp/tutorials | https://github.com/eugenp/tutorials/blob/4463e58ffb73fe599bac2479abd84598c6e70a1a/core-java-modules/core-java-arrays-convert/src/test/java/com/baeldung/array/conversions/FloatToByteArrayUnitTest.java | core-java-modules/core-java-arrays-convert/src/test/java/com/baeldung/array/conversions/FloatToByteArrayUnitTest.java | package com.baeldung.array.conversions;
import org.junit.Test;
import static com.baeldung.array.conversions.FloatToByteArray.*;
import static org.junit.Assert.assertArrayEquals;
import static org.junit.Assert.assertEquals;
public class FloatToByteArrayUnitTest {
@Test
public void givenAFloat_thenConvertToBy... | java | MIT | 4463e58ffb73fe599bac2479abd84598c6e70a1a | 2026-01-04T14:45:57.069771Z | false |
eugenp/tutorials | https://github.com/eugenp/tutorials/blob/4463e58ffb73fe599bac2479abd84598c6e70a1a/core-java-modules/core-java-arrays-convert/src/test/java/com/baeldung/array/conversions/PrimitiveIntArrayToHashSetUnitTest.java | core-java-modules/core-java-arrays-convert/src/test/java/com/baeldung/array/conversions/PrimitiveIntArrayToHashSetUnitTest.java | package com.baeldung.array.conversions;
import static org.junit.Assert.assertEquals;
import static org.junit.jupiter.api.Assertions.assertNotEquals;
import java.util.Arrays;
import java.util.HashSet;
import java.util.stream.Collectors;
import org.apache.commons.lang3.ArrayUtils;
import org.junit.Test;
import com.go... | java | MIT | 4463e58ffb73fe599bac2479abd84598c6e70a1a | 2026-01-04T14:45:57.069771Z | false |
eugenp/tutorials | https://github.com/eugenp/tutorials/blob/4463e58ffb73fe599bac2479abd84598c6e70a1a/core-java-modules/core-java-arrays-convert/src/main/java/com/baeldung/array/conversions/CharArrayToIntArrayUtils.java | core-java-modules/core-java-arrays-convert/src/main/java/com/baeldung/array/conversions/CharArrayToIntArrayUtils.java | package com.baeldung.array.conversions;
import java.util.Arrays;
public class CharArrayToIntArrayUtils {
static int[] usingGetNumericValueMethod(char[] chars) {
if (chars == null) {
return null;
}
int[] ints = new int[chars.length];
for (int i = 0; i < chars.length; 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-arrays-convert/src/main/java/com/baeldung/array/conversions/StreamArrayConversion.java | core-java-modules/core-java-arrays-convert/src/main/java/com/baeldung/array/conversions/StreamArrayConversion.java | package com.baeldung.array.conversions;
import java.util.Arrays;
import java.util.function.IntFunction;
import java.util.stream.IntStream;
import java.util.stream.Stream;
public class StreamArrayConversion {
public static String[] stringStreamToStringArrayUsingFunctionalInterface(Stream<String> stringStream) {
... | java | MIT | 4463e58ffb73fe599bac2479abd84598c6e70a1a | 2026-01-04T14:45:57.069771Z | false |
eugenp/tutorials | https://github.com/eugenp/tutorials/blob/4463e58ffb73fe599bac2479abd84598c6e70a1a/core-java-modules/core-java-arrays-convert/src/main/java/com/baeldung/array/conversions/IntArrayToIterableConversionUtils.java | core-java-modules/core-java-arrays-convert/src/main/java/com/baeldung/array/conversions/IntArrayToIterableConversionUtils.java | package com.baeldung.array.conversions;
import com.google.common.primitives.Ints;
import org.apache.commons.lang3.ArrayUtils;
import java.util.Arrays;
import java.util.stream.Collectors;
public class IntArrayToIterableConversionUtils {
public static Iterable<Integer> convertWithStreamToList(int[] array) {
... | java | MIT | 4463e58ffb73fe599bac2479abd84598c6e70a1a | 2026-01-04T14:45:57.069771Z | false |
eugenp/tutorials | https://github.com/eugenp/tutorials/blob/4463e58ffb73fe599bac2479abd84598c6e70a1a/core-java-modules/core-java-arrays-convert/src/main/java/com/baeldung/array/conversions/ByteArrayToNumericRepresentation.java | core-java-modules/core-java-arrays-convert/src/main/java/com/baeldung/array/conversions/ByteArrayToNumericRepresentation.java | package com.baeldung.array.conversions;
import com.google.common.primitives.Ints;
import com.google.common.primitives.Longs;
import org.apache.commons.lang3.ArrayUtils;
import org.apache.commons.lang3.Conversion;
import java.math.BigInteger;
import java.nio.ByteBuffer;
import java.util.Arrays;
class ByteArrayToNumer... | java | MIT | 4463e58ffb73fe599bac2479abd84598c6e70a1a | 2026-01-04T14:45:57.069771Z | false |
eugenp/tutorials | https://github.com/eugenp/tutorials/blob/4463e58ffb73fe599bac2479abd84598c6e70a1a/core-java-modules/core-java-arrays-convert/src/main/java/com/baeldung/array/conversions/FloatToByteArray.java | core-java-modules/core-java-arrays-convert/src/main/java/com/baeldung/array/conversions/FloatToByteArray.java | package com.baeldung.array.conversions;
import java.nio.ByteBuffer;
public class FloatToByteArray {
/**
* convert float into byte array using Float API floatToIntBits
* @param value
* @return byte[]
*/
public static byte[] floatToByteArray(float value) {
int intBits = Float.... | 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-conversions-3/src/test/java/com/baeldung/listtoprimitivearray/FloatCollector.java | core-java-modules/core-java-collections-conversions-3/src/test/java/com/baeldung/listtoprimitivearray/FloatCollector.java | package com.baeldung.listtoprimitivearray;
import java.util.ArrayList;
import java.util.Collections;
import java.util.Set;
import java.util.function.BiConsumer;
import java.util.function.BinaryOperator;
import java.util.function.Function;
import java.util.function.Supplier;
import java.util.stream.Collector;
public c... | java | MIT | 4463e58ffb73fe599bac2479abd84598c6e70a1a | 2026-01-04T14:45:57.069771Z | false |
eugenp/tutorials | https://github.com/eugenp/tutorials/blob/4463e58ffb73fe599bac2479abd84598c6e70a1a/core-java-modules/core-java-collections-conversions-3/src/test/java/com/baeldung/listtoprimitivearray/ConvertingListToPrimitiveArrayUnitTest.java | core-java-modules/core-java-collections-conversions-3/src/test/java/com/baeldung/listtoprimitivearray/ConvertingListToPrimitiveArrayUnitTest.java | package com.baeldung.listtoprimitivearray;
import static org.assertj.core.api.Assertions.assertThat;
import java.util.ArrayList;
import java.util.List;
import java.util.stream.Stream;
import org.apache.commons.lang3.ArrayUtils;
import org.junit.jupiter.params.ParameterizedTest;
import org.junit.jupiter.params.provide... | 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-conversions-3/src/test/java/com/baeldung/java/collections/JavaCollectionConversionUnitTest.java | core-java-modules/core-java-collections-conversions-3/src/test/java/com/baeldung/java/collections/JavaCollectionConversionUnitTest.java | package com.baeldung.java.collections;
import com.google.common.collect.Lists;
import org.junit.Test;
import java.util.*;
@SuppressWarnings("unused")
public class JavaCollectionConversionUnitTest {
@Test
public final void givenUsingCoreJava_whenMapValuesConvertedToArray_thenCorrect() {
final Map<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-conversions-3/src/test/java/com/baeldung/optionaltoarraylist/OptionalToArrayListConverterUnitTest.java | core-java-modules/core-java-collections-conversions-3/src/test/java/com/baeldung/optionaltoarraylist/OptionalToArrayListConverterUnitTest.java | package com.baeldung.optionaltoarraylist;
import static org.junit.Assert.assertEquals;
import static org.junit.Assert.assertTrue;
import java.util.Arrays;
import java.util.List;
import java.util.Optional;
import org.junit.Test;
public class OptionalToArrayListConverterUnitTest {
@Test
public void givenOpti... | 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-conversions-3/src/test/java/com/baeldung/toarraymethod/ConvertingHashSetToArrayUnitTest.java | core-java-modules/core-java-collections-conversions-3/src/test/java/com/baeldung/toarraymethod/ConvertingHashSetToArrayUnitTest.java | package com.baeldung.toarraymethod;
import org.junit.Test;
import java.util.HashSet;
import static org.junit.Assert.assertEquals;
import static org.junit.Assert.assertTrue;
public class ConvertingHashSetToArrayUnitTest {
@Test
public void givenStringHashSet_whenConvertedToArray_thenArrayContainsStringEleme... | 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-conversions-3/src/test/java/com/baeldung/queuetolist/QueueToListConvertUnitTest.java | core-java-modules/core-java-collections-conversions-3/src/test/java/com/baeldung/queuetolist/QueueToListConvertUnitTest.java | package com.baeldung.queuetolist;
import com.google.common.collect.Lists;
import org.junit.jupiter.api.BeforeEach;
import org.junit.jupiter.api.Test;
import java.util.*;
import java.util.stream.Collectors;
import static org.junit.jupiter.api.Assertions.*;
public class QueueToListConvertUnitTest {
private 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-collections-conversions-3/src/main/java/com/baeldung/optionaltoarraylist/OptionalToArrayListConverter.java | core-java-modules/core-java-collections-conversions-3/src/main/java/com/baeldung/optionaltoarraylist/OptionalToArrayListConverter.java | package com.baeldung.optionaltoarraylist;
import java.util.ArrayList;
import java.util.List;
import java.util.Optional;
import java.util.stream.Collectors;
public class OptionalToArrayListConverter {
public static List<String> usingIfPresent(Optional<String> obj) {
List<String> arrayList = 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-io-6/src/test/java/com/baeldung/gzipbytearray/GZipUnitTest.java | core-java-modules/core-java-io-6/src/test/java/com/baeldung/gzipbytearray/GZipUnitTest.java | package com.baeldung.gzipbytearray;
import static org.junit.Assert.assertEquals;
import static org.junit.Assert.assertTrue;
import java.io.ByteArrayInputStream;
import java.io.ByteArrayOutputStream;
import java.io.IOException;
import org.junit.jupiter.api.Test;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory... | java | MIT | 4463e58ffb73fe599bac2479abd84598c6e70a1a | 2026-01-04T14:45:57.069771Z | false |
eugenp/tutorials | https://github.com/eugenp/tutorials/blob/4463e58ffb73fe599bac2479abd84598c6e70a1a/core-java-modules/core-java-io-6/src/test/java/com/baeldung/filewritervsbufferedwriter/BufferedWriterUnitTest.java | core-java-modules/core-java-io-6/src/test/java/com/baeldung/filewritervsbufferedwriter/BufferedWriterUnitTest.java | package com.baeldung.filewritervsbufferedwriter;
import static org.junit.jupiter.api.Assertions.assertEquals;
import static org.junit.jupiter.api.Assertions.assertTrue;
import java.io.BufferedWriter;
import java.io.File;
import java.io.FileReader;
import java.io.FileWriter;
import java.io.IOException;
import java.nio.... | java | MIT | 4463e58ffb73fe599bac2479abd84598c6e70a1a | 2026-01-04T14:45:57.069771Z | false |
eugenp/tutorials | https://github.com/eugenp/tutorials/blob/4463e58ffb73fe599bac2479abd84598c6e70a1a/core-java-modules/core-java-io-6/src/test/java/com/baeldung/filewritervsbufferedwriter/FileWriterUnitTest.java | core-java-modules/core-java-io-6/src/test/java/com/baeldung/filewritervsbufferedwriter/FileWriterUnitTest.java | package com.baeldung.filewritervsbufferedwriter;
import static org.junit.jupiter.api.Assertions.assertEquals;
import static org.junit.jupiter.api.Assertions.assertTrue;
import java.io.File;
import java.io.FileReader;
import java.io.FileWriter;
import java.io.IOException;
import java.nio.file.Files;
import java.nio.fil... | java | MIT | 4463e58ffb73fe599bac2479abd84598c6e70a1a | 2026-01-04T14:45:57.069771Z | false |
eugenp/tutorials | https://github.com/eugenp/tutorials/blob/4463e58ffb73fe599bac2479abd84598c6e70a1a/core-java-modules/core-java-io-6/src/test/java/com/baeldung/dirpermissions/CheckWritePermissionUnitTest.java | core-java-modules/core-java-io-6/src/test/java/com/baeldung/dirpermissions/CheckWritePermissionUnitTest.java | package com.baeldung.dirpermissions;
import static org.junit.jupiter.api.Assertions.assertEquals;
import static org.junit.jupiter.api.Assertions.assertFalse;
import static org.junit.jupiter.api.Assertions.assertNull;
import static org.junit.jupiter.api.Assertions.assertTrue;
import java.io.IOException;
import java.ni... | java | MIT | 4463e58ffb73fe599bac2479abd84598c6e70a1a | 2026-01-04T14:45:57.069771Z | false |
eugenp/tutorials | https://github.com/eugenp/tutorials/blob/4463e58ffb73fe599bac2479abd84598c6e70a1a/core-java-modules/core-java-io-6/src/test/java/com/baeldung/removebomfromfile/RemoveBOMUnitTest.java | core-java-modules/core-java-io-6/src/test/java/com/baeldung/removebomfromfile/RemoveBOMUnitTest.java | package com.baeldung.removebomfromfile;
import org.junit.Test;
import org.apache.commons.io.input.BOMInputStream;
import java.io.*;
import java.net.URISyntaxException;
import java.nio.ByteBuffer;
import java.nio.charset.StandardCharsets;
import java.nio.file.Files;
import java.nio.file.Paths;
import java.util.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-io-6/src/test/java/com/baeldung/clearscannerbuffer/ClearScannerBufferUnitTest.java | core-java-modules/core-java-io-6/src/test/java/com/baeldung/clearscannerbuffer/ClearScannerBufferUnitTest.java | package clearscannerbuffer;
import org.junit.Test;
import java.util.Scanner;
import static org.junit.Assert.assertEquals;
public class ClearScannerBufferUnitTest {
Scanner scanner = new Scanner("123\nHello World");
@Test
public void givenInput_whenUsingNextLineWithHasNextLine_thenBufferCleared() {
... | java | MIT | 4463e58ffb73fe599bac2479abd84598c6e70a1a | 2026-01-04T14:45:57.069771Z | false |
eugenp/tutorials | https://github.com/eugenp/tutorials/blob/4463e58ffb73fe599bac2479abd84598c6e70a1a/core-java-modules/core-java-io-6/src/test/java/com/baeldung/filereadmethods/FileIOUtilUnitTest.java | core-java-modules/core-java-io-6/src/test/java/com/baeldung/filereadmethods/FileIOUtilUnitTest.java | package com.baeldung.filereadmethods;
import org.junit.jupiter.api.Test;
import static org.junit.jupiter.api.Assertions.*;
class FileIOUtilUnitTest {
@Test
void givenFileUnderResources_whenReadFileFromResource_thenSuccess() {
String result = FileIOUtil.readFileFromResource("/test.txt");
asse... | java | MIT | 4463e58ffb73fe599bac2479abd84598c6e70a1a | 2026-01-04T14:45:57.069771Z | false |
eugenp/tutorials | https://github.com/eugenp/tutorials/blob/4463e58ffb73fe599bac2479abd84598c6e70a1a/core-java-modules/core-java-io-6/src/test/java/com/baeldung/readlastlines/ReadLastLinesUnitTest.java | core-java-modules/core-java-io-6/src/test/java/com/baeldung/readlastlines/ReadLastLinesUnitTest.java | package com.baeldung.readlastlines;
import static org.junit.jupiter.api.Assertions.assertEquals;
import java.io.BufferedReader;
import java.io.File;
import java.io.IOException;
import java.nio.charset.StandardCharsets;
import java.nio.file.Files;
import java.nio.file.Paths;
import java.util.Collections;
import java.u... | java | MIT | 4463e58ffb73fe599bac2479abd84598c6e70a1a | 2026-01-04T14:45:57.069771Z | false |
eugenp/tutorials | https://github.com/eugenp/tutorials/blob/4463e58ffb73fe599bac2479abd84598c6e70a1a/core-java-modules/core-java-io-6/src/test/java/com/baeldung/filelisting/FileListingUnitTest.java | core-java-modules/core-java-io-6/src/test/java/com/baeldung/filelisting/FileListingUnitTest.java | package com.baeldung.filelisting;
import org.junit.jupiter.api.BeforeEach;
import org.junit.jupiter.api.Test;
import org.junit.jupiter.api.io.TempDir;
import java.io.File;
import java.io.IOException;
import java.nio.file.Files;
import java.nio.file.Path;
import static org.junit.jupiter.api.Assertions.assertTrue;
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-io-6/src/test/java/com/baeldung/imagevalidator/ImageValidatorUnitTest.java | core-java-modules/core-java-io-6/src/test/java/com/baeldung/imagevalidator/ImageValidatorUnitTest.java | package com.baeldung.imagevalidator;
import static org.junit.jupiter.api.Assertions.assertFalse;
import static org.junit.jupiter.api.Assertions.assertTrue;
import java.io.File;
import java.io.IOException;
import org.junit.jupiter.api.Test;
public class ImageValidatorUnitTest {
@Test
public void givenImageF... | java | MIT | 4463e58ffb73fe599bac2479abd84598c6e70a1a | 2026-01-04T14:45:57.069771Z | false |
eugenp/tutorials | https://github.com/eugenp/tutorials/blob/4463e58ffb73fe599bac2479abd84598c6e70a1a/core-java-modules/core-java-io-6/src/main/java/com/baeldung/gzipbytearray/GZip.java | core-java-modules/core-java-io-6/src/main/java/com/baeldung/gzipbytearray/GZip.java | package com.baeldung.gzipbytearray;
import java.io.IOException;
import java.io.InputStream;
import java.io.OutputStream;
import java.util.zip.GZIPOutputStream;
public class GZip {
private static final int BUFFER_SIZE = 512;
public static void gzip(InputStream is, OutputStream os) throws IOException {
... | java | MIT | 4463e58ffb73fe599bac2479abd84598c6e70a1a | 2026-01-04T14:45:57.069771Z | false |
eugenp/tutorials | https://github.com/eugenp/tutorials/blob/4463e58ffb73fe599bac2479abd84598c6e70a1a/core-java-modules/core-java-io-6/src/main/java/com/baeldung/filewritervsbufferedwriter/BenchmarkWriters.java | core-java-modules/core-java-io-6/src/main/java/com/baeldung/filewritervsbufferedwriter/BenchmarkWriters.java | package com.baeldung.filewritervsbufferedwriter;
import org.openjdk.jmh.annotations.*;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import java.io.BufferedWriter;
import java.io.File;
import java.io.FileWriter;
import java.io.IOException;
import java.net.URL;
import java.net.URLClassLoader;
import java.ni... | java | MIT | 4463e58ffb73fe599bac2479abd84598c6e70a1a | 2026-01-04T14:45:57.069771Z | false |
eugenp/tutorials | https://github.com/eugenp/tutorials/blob/4463e58ffb73fe599bac2479abd84598c6e70a1a/core-java-modules/core-java-io-6/src/main/java/com/baeldung/dirpermissions/CheckWritePermission.java | core-java-modules/core-java-io-6/src/main/java/com/baeldung/dirpermissions/CheckWritePermission.java | package com.baeldung.dirpermissions;
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.nio.file.attribute.PosixFilePermission;
import java.util.Set;
public class CheckWritePermission {
public boolean usingJavaIO(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-io-6/src/main/java/com/baeldung/filereadmethods/FileIOUtil.java | core-java-modules/core-java-io-6/src/main/java/com/baeldung/filereadmethods/FileIOUtil.java | package com.baeldung.filereadmethods;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import java.io.BufferedReader;
import java.io.IOException;
import java.io.InputStream;
import java.io.InputStreamReader;
import java.nio.file.Files;
import java.nio.file.Paths;
import java.util.stream.Collectors;
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-io-6/src/main/java/com/baeldung/fileoutputstreamvsfilechannel/FileIOBenchmark.java | core-java-modules/core-java-io-6/src/main/java/com/baeldung/fileoutputstreamvsfilechannel/FileIOBenchmark.java | package com.baeldung.fileoutputstreamvsfilechannel;
import java.io.FileOutputStream;
import java.io.IOException;
import java.nio.ByteBuffer;
import java.nio.channels.FileChannel;
import java.nio.file.Path;
import java.nio.file.StandardOpenOption;
import java.util.Arrays;
import java.util.concurrent.TimeUnit;
import o... | java | MIT | 4463e58ffb73fe599bac2479abd84598c6e70a1a | 2026-01-04T14:45:57.069771Z | false |
eugenp/tutorials | https://github.com/eugenp/tutorials/blob/4463e58ffb73fe599bac2479abd84598c6e70a1a/core-java-modules/core-java-io-6/src/main/java/com/baeldung/fileoutputstreamvsfilechannel/FileOutputStreamVSFileChannel.java | core-java-modules/core-java-io-6/src/main/java/com/baeldung/fileoutputstreamvsfilechannel/FileOutputStreamVSFileChannel.java | package com.baeldung.fileoutputstreamvsfilechannel;
import java.io.FileOutputStream;
import java.io.IOException;
import java.net.URI;
import java.net.URISyntaxException;
import java.nio.ByteBuffer;
import java.nio.channels.AsynchronousFileChannel;
import java.nio.channels.FileChannel;
import java.nio.channels.FileLock... | java | MIT | 4463e58ffb73fe599bac2479abd84598c6e70a1a | 2026-01-04T14:45:57.069771Z | false |
eugenp/tutorials | https://github.com/eugenp/tutorials/blob/4463e58ffb73fe599bac2479abd84598c6e70a1a/core-java-modules/core-java-io-6/src/main/java/com/baeldung/filelisting/FileListing.java | core-java-modules/core-java-io-6/src/main/java/com/baeldung/filelisting/FileListing.java | package com.baeldung.filelisting;
import org.apache.commons.io.FileUtils;
import java.io.File;
import java.io.IOException;
import java.nio.file.Files;
import java.nio.file.Path;
import java.util.Iterator;
import java.util.logging.Logger;
import java.util.stream.Stream;
public class FileListing {
private static ... | java | MIT | 4463e58ffb73fe599bac2479abd84598c6e70a1a | 2026-01-04T14:45:57.069771Z | false |
eugenp/tutorials | https://github.com/eugenp/tutorials/blob/4463e58ffb73fe599bac2479abd84598c6e70a1a/core-java-modules/core-java-io-6/src/main/java/com/baeldung/imagevalidator/ImageValidator.java | core-java-modules/core-java-io-6/src/main/java/com/baeldung/imagevalidator/ImageValidator.java | package com.baeldung.imagevalidator;
import java.awt.image.BufferedImage;
import java.io.File;
import java.io.IOException;
import java.nio.file.Files;
import java.nio.file.Path;
import javax.imageio.ImageIO;
import org.apache.tika.Tika;
public class ImageValidator {
public static boolean isImageFileUsingTika(F... | java | MIT | 4463e58ffb73fe599bac2479abd84598c6e70a1a | 2026-01-04T14:45:57.069771Z | false |
eugenp/tutorials | https://github.com/eugenp/tutorials/blob/4463e58ffb73fe599bac2479abd84598c6e70a1a/core-java-modules/core-java-arrays-convert-2/src/test/java/com/baeldung/array/conversions/classcastexception/ClassCastExceptionUnitTest.java | core-java-modules/core-java-arrays-convert-2/src/test/java/com/baeldung/array/conversions/classcastexception/ClassCastExceptionUnitTest.java | package com.baeldung.array.conversions.classcastexception;
import static org.junit.jupiter.api.Assertions.assertArrayEquals;
import static org.junit.jupiter.api.Assertions.assertEquals;
import static org.junit.jupiter.api.Assertions.assertThrows;
import java.lang.reflect.Array;
import java.time.Instant;
import java.u... | 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-improvements/src/test/java/com/baeldung/java9/io/conversion/InputStreamToByteArrayUnitTest.java | core-java-modules/core-java-9-improvements/src/test/java/com/baeldung/java9/io/conversion/InputStreamToByteArrayUnitTest.java | package com.baeldung.java9.io.conversion;
import java.io.ByteArrayInputStream;
import java.io.ByteArrayOutputStream;
import java.io.IOException;
import java.io.InputStream;
import org.apache.commons.io.IOUtils;
import org.junit.Test;
import com.google.common.io.ByteSource;
import com.google.common.io.ByteStreams;
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-9-improvements/src/test/java/com/baeldung/java9/io/conversion/InputStreamToByteBufferUnitTest.java | core-java-modules/core-java-9-improvements/src/test/java/com/baeldung/java9/io/conversion/InputStreamToByteBufferUnitTest.java | package com.baeldung.java9.io.conversion;
import com.google.common.io.ByteSource;
import com.google.common.io.ByteStreams;
import org.apache.commons.io.IOUtils;
import org.junit.Test;
import java.io.ByteArrayInputStream;
import java.io.IOException;
import java.io.InputStream;
import java.nio.ByteBuffer;
import java.n... | 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-improvements/src/test/java/com/baeldung/java9/language/Java9ObjectsAPIUnitTest.java | core-java-modules/core-java-9-improvements/src/test/java/com/baeldung/java9/language/Java9ObjectsAPIUnitTest.java | package com.baeldung.java9.language;
import org.junit.Test;
import java.util.Collections;
import java.util.List;
import java.util.Objects;
import static org.hamcrest.Matchers.*;
import static org.hamcrest.MatcherAssert.assertThat;
public class Java9ObjectsAPIUnitTest {
private List<String> aMethodReturningNull... | 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-improvements/src/test/java/com/baeldung/java9/language/stream/JavaStreamApiUnitTest.java | core-java-modules/core-java-9-improvements/src/test/java/com/baeldung/java9/language/stream/JavaStreamApiUnitTest.java | package com.baeldung.java9.language.stream;
import org.junit.Before;
import org.junit.Ignore;
import org.junit.Test;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import java.io.BufferedWriter;
import java.io.IOException;
import java.nio.charset.Charset;
import java.nio.file.Files;
import java.nio.file.Pat... | 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-improvements/src/test/java/com/baeldung/java9/language/stream/StreamFeaturesUnitTest.java | core-java-modules/core-java-9-improvements/src/test/java/com/baeldung/java9/language/stream/StreamFeaturesUnitTest.java | package com.baeldung.java9.language.stream;
import org.junit.Test;
import java.util.Arrays;
import java.util.HashMap;
import java.util.List;
import java.util.Map;
import java.util.stream.Collectors;
import java.util.stream.Stream;
import static java.lang.Integer.*;
import static org.junit.Assert.assertEquals;
publi... | java | MIT | 4463e58ffb73fe599bac2479abd84598c6e70a1a | 2026-01-04T14:45:57.069771Z | false |
eugenp/tutorials | https://github.com/eugenp/tutorials/blob/4463e58ffb73fe599bac2479abd84598c6e70a1a/core-java-modules/core-java-9-improvements/src/test/java/com/baeldung/java9/language/collections/MapFactoryMethodsUnitTest.java | core-java-modules/core-java-9-improvements/src/test/java/com/baeldung/java9/language/collections/MapFactoryMethodsUnitTest.java | package com.baeldung.java9.language.collections;
import java.util.HashMap;
import java.util.Map;
import org.junit.Test;
import static org.junit.Assert.assertEquals;
import static org.junit.Assert.assertFalse;
public class MapFactoryMethodsUnitTest {
@Test
public void whenMapCreated_thenSuccess() {
... | 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-improvements/src/test/java/com/baeldung/java9/language/collections/SetFactoryMethodsUnitTest.java | core-java-modules/core-java-9-improvements/src/test/java/com/baeldung/java9/language/collections/SetFactoryMethodsUnitTest.java | package com.baeldung.java9.language.collections;
import java.util.HashSet;
import java.util.Set;
import org.junit.Test;
import static org.junit.Assert.assertArrayEquals;
import static org.junit.Assert.assertEquals;
import static org.junit.Assert.assertFalse;
public class SetFactoryMethodsUnitTest {
@Test
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-9-improvements/src/test/java/com/baeldung/java9/language/collections/ListFactoryMethodsUnitTest.java | core-java-modules/core-java-9-improvements/src/test/java/com/baeldung/java9/language/collections/ListFactoryMethodsUnitTest.java | package com.baeldung.java9.language.collections;
import java.util.ArrayList;
import java.util.List;
import org.junit.Test;
import static org.junit.Assert.assertArrayEquals;
import static org.junit.Assert.assertEquals;
import static org.junit.Assert.assertFalse;
public class ListFactoryMethodsUnitTest {
@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-14/src/test/java/com/baeldung/java14/foreign/api/ForeignMemoryUnitTest.java | core-java-modules/core-java-14/src/test/java/com/baeldung/java14/foreign/api/ForeignMemoryUnitTest.java | package com.baeldung.java14.foreign.api;
import static org.junit.jupiter.api.Assertions.assertEquals;
import java.nio.ByteBuffer;
import org.junit.jupiter.api.Test;
import jdk.incubator.foreign.*;
public class ForeignMemoryUnitTest {
@Test
void whenAValueIsSet_thenAccessTheValue() {
try (ResourceS... | java | MIT | 4463e58ffb73fe599bac2479abd84598c6e70a1a | 2026-01-04T14:45:57.069771Z | false |
eugenp/tutorials | https://github.com/eugenp/tutorials/blob/4463e58ffb73fe599bac2479abd84598c6e70a1a/core-java-modules/core-java-14/src/test/java/com/baeldung/java14/recordvslombok/RecordVsLombokUnitTest.java | core-java-modules/core-java-14/src/test/java/com/baeldung/java14/recordvslombok/RecordVsLombokUnitTest.java | package com.baeldung.java14.recordvslombok;
import static org.assertj.core.api.Assertions.assertThat;
import org.junit.Test;
public class RecordVsLombokUnitTest {
@Test
public void givenAColorRecord_hexStringIsCorrect() {
var red = new ColorRecord(255, 0, 0);
assertThat(red.getHexString()).... | java | MIT | 4463e58ffb73fe599bac2479abd84598c6e70a1a | 2026-01-04T14:45:57.069771Z | false |
eugenp/tutorials | https://github.com/eugenp/tutorials/blob/4463e58ffb73fe599bac2479abd84598c6e70a1a/core-java-modules/core-java-14/src/test/java/com/baeldung/java14/patternmatchingforinstanceof/PatternMatchingForInstanceOfUnitTest.java | core-java-modules/core-java-14/src/test/java/com/baeldung/java14/patternmatchingforinstanceof/PatternMatchingForInstanceOfUnitTest.java | package com.baeldung.java14.patternmatchingforinstanceof;
import static org.mockito.Mockito.mock;
import static org.mockito.Mockito.verify;
import org.junit.jupiter.api.Test;
import com.baeldung.java14.patternmatchingforinstanceof.PatternMatchingForInstanceOf.Cat;
import com.baeldung.java14.patternmatchingforinstanc... | java | MIT | 4463e58ffb73fe599bac2479abd84598c6e70a1a | 2026-01-04T14:45:57.069771Z | false |
eugenp/tutorials | https://github.com/eugenp/tutorials/blob/4463e58ffb73fe599bac2479abd84598c6e70a1a/core-java-modules/core-java-14/src/test/java/com/baeldung/java14/record/PersonUnitTest.java | core-java-modules/core-java-14/src/test/java/com/baeldung/java14/record/PersonUnitTest.java | package com.baeldung.java14.record;
import static org.junit.Assert.assertEquals;
import static org.junit.Assert.assertFalse;
import static org.junit.Assert.assertNotEquals;
import static org.junit.Assert.assertTrue;
import org.junit.Test;
public class PersonUnitTest {
@Test
public void givenSameNameAndAddre... | java | MIT | 4463e58ffb73fe599bac2479abd84598c6e70a1a | 2026-01-04T14:45:57.069771Z | false |
eugenp/tutorials | https://github.com/eugenp/tutorials/blob/4463e58ffb73fe599bac2479abd84598c6e70a1a/core-java-modules/core-java-14/src/test/java/com/baeldung/java14/textblocks/TextBlocks13UnitTest.java | core-java-modules/core-java-14/src/test/java/com/baeldung/java14/textblocks/TextBlocks13UnitTest.java | package com.baeldung.java14.textblocks;
import static org.assertj.core.api.Assertions.assertThat;
import org.junit.jupiter.api.Test;
class TextBlocks13UnitTest {
private TextBlocks13 subject = new TextBlocks13();
@Test
void givenAnOldStyleMultilineString_whenComparing_thenEqualsTextBlock() {
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-14/src/test/java/com/baeldung/java14/textblocks/TextBlocks14UnitTest.java | core-java-modules/core-java-14/src/test/java/com/baeldung/java14/textblocks/TextBlocks14UnitTest.java | package com.baeldung.java14.textblocks;
import static org.assertj.core.api.Assertions.assertThat;
import org.junit.jupiter.api.Test;
class TextBlocks14UnitTest {
private TextBlocks14 subject = new TextBlocks14();
@Test
void givenAStringWithEscapedNewLines_thenTheResultHasNoNewLines() {
String ex... | java | MIT | 4463e58ffb73fe599bac2479abd84598c6e70a1a | 2026-01-04T14:45:57.069771Z | false |
eugenp/tutorials | https://github.com/eugenp/tutorials/blob/4463e58ffb73fe599bac2479abd84598c6e70a1a/core-java-modules/core-java-14/src/test/java/com/baeldung/java14/newfeatues/RecordUnitTest.java | core-java-modules/core-java-14/src/test/java/com/baeldung/java14/newfeatues/RecordUnitTest.java | package com.baeldung.java14.newfeatues;
import static org.junit.Assert.assertEquals;
import static org.junit.Assert.assertTrue;
import org.junit.Test;
public class RecordUnitTest {
@SuppressWarnings("preview")
public record User(int id, String password) {
};
private User user1 = new User(0, "UserO... | java | MIT | 4463e58ffb73fe599bac2479abd84598c6e70a1a | 2026-01-04T14:45:57.069771Z | false |
eugenp/tutorials | https://github.com/eugenp/tutorials/blob/4463e58ffb73fe599bac2479abd84598c6e70a1a/core-java-modules/core-java-14/src/test/java/com/baeldung/java14/newfeatues/SwitchExprUnitTest.java | core-java-modules/core-java-14/src/test/java/com/baeldung/java14/newfeatues/SwitchExprUnitTest.java | package com.baeldung.java14.newfeatues;
import static org.assertj.core.api.Assertions.assertThatExceptionOfType;
import static org.junit.Assert.assertTrue;
import org.junit.Test;
public class SwitchExprUnitTest {
@Test
public void givenDay_whenSunday_thenWeekend() {
assertTrue(isTodayHolidayInJava8(... | java | MIT | 4463e58ffb73fe599bac2479abd84598c6e70a1a | 2026-01-04T14:45:57.069771Z | false |
eugenp/tutorials | https://github.com/eugenp/tutorials/blob/4463e58ffb73fe599bac2479abd84598c6e70a1a/core-java-modules/core-java-14/src/test/java/com/baeldung/java14/newfeatues/MultilineUnitTest.java | core-java-modules/core-java-14/src/test/java/com/baeldung/java14/newfeatues/MultilineUnitTest.java | package com.baeldung.java14.newfeatues;
import static org.junit.Assert.assertFalse;
import static org.junit.Assert.assertTrue;
import org.junit.Test;
public class MultilineUnitTest {
@SuppressWarnings("preview")
String multiline = """
A quick brown fox jumps over a lazy dog; \
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-14/src/test/java/com/baeldung/java14/recordvsfinal/USCitizenUnitTest.java | core-java-modules/core-java-14/src/test/java/com/baeldung/java14/recordvsfinal/USCitizenUnitTest.java | package com.baeldung.java14.recordvsfinal;
import static org.junit.Assert.assertEquals;
import static org.junit.Assert.assertFalse;
import static org.junit.Assert.assertNotEquals;
import static org.junit.Assert.assertTrue;
import org.junit.Test;
public class USCitizenUnitTest {
@Test
public void givenName_w... | java | MIT | 4463e58ffb73fe599bac2479abd84598c6e70a1a | 2026-01-04T14:45:57.069771Z | false |
eugenp/tutorials | https://github.com/eugenp/tutorials/blob/4463e58ffb73fe599bac2479abd84598c6e70a1a/core-java-modules/core-java-14/src/test/java/com/baeldung/java14/npe/HelpfulNullPointerExceptionUnitTest.java | core-java-modules/core-java-14/src/test/java/com/baeldung/java14/npe/HelpfulNullPointerExceptionUnitTest.java | package com.baeldung.java14.npe;
import org.junit.Test;
import static com.baeldung.java14.npe.HelpfulNullPointerException.Employee;
import static com.baeldung.java14.npe.HelpfulNullPointerException.PersonalDetails;
import static org.assertj.core.api.Assertions.assertThat;
public class HelpfulNullPointerExceptionUnit... | java | MIT | 4463e58ffb73fe599bac2479abd84598c6e70a1a | 2026-01-04T14:45:57.069771Z | false |
eugenp/tutorials | https://github.com/eugenp/tutorials/blob/4463e58ffb73fe599bac2479abd84598c6e70a1a/core-java-modules/core-java-14/src/test/java/com/baeldung/java14/recordscustomconstructors/StudentRecordJUnitTest.java | core-java-modules/core-java-14/src/test/java/com/baeldung/java14/recordscustomconstructors/StudentRecordJUnitTest.java | package com.baeldung.java14.recordscustomconstructors;
import static org.assertj.core.api.Assertions.assertThat;
import static org.junit.jupiter.api.Assertions.assertEquals;
import static org.junit.jupiter.api.Assertions.assertFalse;
import static org.junit.jupiter.api.Assertions.assertSame;
import static org.junit.ju... | java | MIT | 4463e58ffb73fe599bac2479abd84598c6e70a1a | 2026-01-04T14:45:57.069771Z | false |
eugenp/tutorials | https://github.com/eugenp/tutorials/blob/4463e58ffb73fe599bac2479abd84598c6e70a1a/core-java-modules/core-java-14/src/test/java/com/baeldung/java14/character/IsLetterOrAlphabetUnitTest.java | core-java-modules/core-java-14/src/test/java/com/baeldung/java14/character/IsLetterOrAlphabetUnitTest.java | package com.baeldung.java14.character;
import org.junit.Test;
import static org.junit.Assert.assertTrue;
import static org.junit.Assert.assertFalse;
public class IsLetterOrAlphabetUnitTest {
@Test
public void givenACharacter_whenLetter_thenAssertIsLetterTrue() {
assertTrue(Character.isLetter(65));
... | java | MIT | 4463e58ffb73fe599bac2479abd84598c6e70a1a | 2026-01-04T14:45:57.069771Z | false |
eugenp/tutorials | https://github.com/eugenp/tutorials/blob/4463e58ffb73fe599bac2479abd84598c6e70a1a/core-java-modules/core-java-14/src/main/java/com/baeldung/java14/recordvslombok/StudentBuilder.java | core-java-modules/core-java-14/src/main/java/com/baeldung/java14/recordvslombok/StudentBuilder.java | package com.baeldung.java14.recordvslombok;
import lombok.Builder;
import lombok.Getter;
@Getter
@Builder
public class StudentBuilder {
private String firstName;
private String lastName;
private Long studentId;
private String email;
private String phoneNumber;
private String address;
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-14/src/main/java/com/baeldung/java14/recordvslombok/ColorRecord.java | core-java-modules/core-java-14/src/main/java/com/baeldung/java14/recordvslombok/ColorRecord.java | package com.baeldung.java14.recordvslombok;
public record ColorRecord(int red, int green, int blue) {
public String getHexString() {
return String.format("#%02X%02X%02X", red, green, blue);
}
}
| java | MIT | 4463e58ffb73fe599bac2479abd84598c6e70a1a | 2026-01-04T14:45:57.069771Z | false |
eugenp/tutorials | https://github.com/eugenp/tutorials/blob/4463e58ffb73fe599bac2479abd84598c6e70a1a/core-java-modules/core-java-14/src/main/java/com/baeldung/java14/recordvslombok/StudentRecord.java | core-java-modules/core-java-14/src/main/java/com/baeldung/java14/recordvslombok/StudentRecord.java | package com.baeldung.java14.recordvslombok;
public record StudentRecord(String firstName, String lastName, Long studentId, String email, String phoneNumber, String address, String country, int age) {
}
| java | MIT | 4463e58ffb73fe599bac2479abd84598c6e70a1a | 2026-01-04T14:45:57.069771Z | false |
eugenp/tutorials | https://github.com/eugenp/tutorials/blob/4463e58ffb73fe599bac2479abd84598c6e70a1a/core-java-modules/core-java-14/src/main/java/com/baeldung/java14/recordvslombok/ColorData.java | core-java-modules/core-java-14/src/main/java/com/baeldung/java14/recordvslombok/ColorData.java | package com.baeldung.java14.recordvslombok;
import lombok.AllArgsConstructor;
import lombok.Data;
@Data
@AllArgsConstructor
public class ColorData {
private int red;
private int green;
private int blue;
public String getHexString() {
return String.format("#%02X%02X%02X", red, green, blue);
... | java | MIT | 4463e58ffb73fe599bac2479abd84598c6e70a1a | 2026-01-04T14:45:57.069771Z | false |
eugenp/tutorials | https://github.com/eugenp/tutorials/blob/4463e58ffb73fe599bac2479abd84598c6e70a1a/core-java-modules/core-java-14/src/main/java/com/baeldung/java14/recordvslombok/ColorValueObject.java | core-java-modules/core-java-14/src/main/java/com/baeldung/java14/recordvslombok/ColorValueObject.java | package com.baeldung.java14.recordvslombok;
import lombok.AccessLevel;
import lombok.Getter;
import lombok.Value;
@Value
@Getter(AccessLevel.NONE)
public class ColorValueObject {
int red;
int green;
int blue;
public String getHexString() {
return String.format("#%02X%02X%02X", red, green, blu... | java | MIT | 4463e58ffb73fe599bac2479abd84598c6e70a1a | 2026-01-04T14:45:57.069771Z | false |
eugenp/tutorials | https://github.com/eugenp/tutorials/blob/4463e58ffb73fe599bac2479abd84598c6e70a1a/core-java-modules/core-java-14/src/main/java/com/baeldung/java14/recordvslombok/MonochromeColor.java | core-java-modules/core-java-14/src/main/java/com/baeldung/java14/recordvslombok/MonochromeColor.java | package com.baeldung.java14.recordvslombok;
import lombok.Value;
@Value
public class MonochromeColor extends ColorData {
public MonochromeColor(int grayScale) {
super(grayScale, grayScale, grayScale);
}
}
| java | MIT | 4463e58ffb73fe599bac2479abd84598c6e70a1a | 2026-01-04T14:45:57.069771Z | false |
eugenp/tutorials | https://github.com/eugenp/tutorials/blob/4463e58ffb73fe599bac2479abd84598c6e70a1a/core-java-modules/core-java-14/src/main/java/com/baeldung/java14/patternmatchingforinstanceof/PatternMatchingForInstanceOf.java | core-java-modules/core-java-14/src/main/java/com/baeldung/java14/patternmatchingforinstanceof/PatternMatchingForInstanceOf.java | package com.baeldung.java14.patternmatchingforinstanceof;
public class PatternMatchingForInstanceOf {
public void performAnimalOperations(Animal animal) {
if (animal instanceof Cat cat) {
cat.meow();
} else if(animal instanceof Dog dog) {
dog.woof();
}
}
... | java | MIT | 4463e58ffb73fe599bac2479abd84598c6e70a1a | 2026-01-04T14:45:57.069771Z | false |
eugenp/tutorials | https://github.com/eugenp/tutorials/blob/4463e58ffb73fe599bac2479abd84598c6e70a1a/core-java-modules/core-java-14/src/main/java/com/baeldung/java14/record/Person.java | core-java-modules/core-java-14/src/main/java/com/baeldung/java14/record/Person.java | package com.baeldung.java14.record;
import java.util.Objects;
public record Person (String name, String address) {
public static String UNKNOWN_ADDRESS = "Unknown";
public static String UNNAMED = "Unnamed";
public Person {
Objects.requireNonNull(name);
Objects.requireNonNull(address);
}
... | java | MIT | 4463e58ffb73fe599bac2479abd84598c6e70a1a | 2026-01-04T14:45:57.069771Z | false |
eugenp/tutorials | https://github.com/eugenp/tutorials/blob/4463e58ffb73fe599bac2479abd84598c6e70a1a/core-java-modules/core-java-14/src/main/java/com/baeldung/java14/textblocks/TextBlocks13.java | core-java-modules/core-java-14/src/main/java/com/baeldung/java14/textblocks/TextBlocks13.java | package com.baeldung.java14.textblocks;
public class TextBlocks13 {
public String getBlockOfHtml() {
return """
<html>
<body>
<span>example text</span>
</body>
</html>""";
}
public String getNonStandardIndent() {
... | java | MIT | 4463e58ffb73fe599bac2479abd84598c6e70a1a | 2026-01-04T14:45:57.069771Z | false |
eugenp/tutorials | https://github.com/eugenp/tutorials/blob/4463e58ffb73fe599bac2479abd84598c6e70a1a/core-java-modules/core-java-14/src/main/java/com/baeldung/java14/textblocks/TextBlocks14.java | core-java-modules/core-java-14/src/main/java/com/baeldung/java14/textblocks/TextBlocks14.java | package com.baeldung.java14.textblocks;
public class TextBlocks14 {
public String getIgnoredNewLines() {
return """
This is a long test which looks to \
have a newline but actually does not""";
}
public String getEscapedSpaces() {
return """
line 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-14/src/main/java/com/baeldung/java14/recordvsfinal/USCitizen.java | core-java-modules/core-java-14/src/main/java/com/baeldung/java14/recordvsfinal/USCitizen.java | package com.baeldung.java14.recordvsfinal;
public record USCitizen(String firstName, String lastName, String address) {
static int countryCode;
// static initializer
static {
countryCode = 1;
}
public static int getCountryCode() {
return countryCode;
}
public String getFu... | java | MIT | 4463e58ffb73fe599bac2479abd84598c6e70a1a | 2026-01-04T14:45:57.069771Z | false |
eugenp/tutorials | https://github.com/eugenp/tutorials/blob/4463e58ffb73fe599bac2479abd84598c6e70a1a/core-java-modules/core-java-14/src/main/java/com/baeldung/java14/npe/HelpfulNullPointerException.java | core-java-modules/core-java-14/src/main/java/com/baeldung/java14/npe/HelpfulNullPointerException.java | package com.baeldung.java14.npe;
public class HelpfulNullPointerException {
public static void main(String[] args) {
Employee employee = null;
employee.getName();
}
public String getEmployeeEmailAddress(Employee employee) {
String emailAddress = employee.getPersonalDetails().getEm... | java | MIT | 4463e58ffb73fe599bac2479abd84598c6e70a1a | 2026-01-04T14:45:57.069771Z | false |
eugenp/tutorials | https://github.com/eugenp/tutorials/blob/4463e58ffb73fe599bac2479abd84598c6e70a1a/core-java-modules/core-java-14/src/main/java/com/baeldung/java14/recordscustomconstructors/StudentRecordV2.java | core-java-modules/core-java-14/src/main/java/com/baeldung/java14/recordscustomconstructors/StudentRecordV2.java | package com.baeldung.java14.recordscustomconstructors;
record StudentRecordV2(String name, int rollNo, int marks, char grade) {
public StudentRecordV2(String name, int rollNo, int marks) {
this(name, rollNo, marks, calculateGrade(marks));
}
private static char calculateGrade(int marks) {
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-14/src/main/java/com/baeldung/java14/recordscustomconstructors/StudentRecord.java | core-java-modules/core-java-14/src/main/java/com/baeldung/java14/recordscustomconstructors/StudentRecord.java | package com.baeldung.java14.recordscustomconstructors;
public record StudentRecord(String name, int rollNo, int marks) {
public StudentRecord(String name) {
this(name, 0, 0);
}
public StudentRecord {
if (marks < 0 || marks > 100) {
throw new IllegalArgumentException("Marks sho... | java | MIT | 4463e58ffb73fe599bac2479abd84598c6e70a1a | 2026-01-04T14:45:57.069771Z | false |
eugenp/tutorials | https://github.com/eugenp/tutorials/blob/4463e58ffb73fe599bac2479abd84598c6e70a1a/core-java-modules/core-java-14/src/main/java/com/baeldung/java14/recordscustomconstructors/StudentRecordV3.java | core-java-modules/core-java-14/src/main/java/com/baeldung/java14/recordscustomconstructors/StudentRecordV3.java | package com.baeldung.java14.recordscustomconstructors;
import java.util.HashSet;
import java.util.Set;
import java.util.UUID;
record StudentRecordV3(String id, String name, Set<String> hobbies, boolean active) {
public StudentRecordV3(String name) {
this(UUID.randomUUID().toString(), name, new HashSet<>(... | java | MIT | 4463e58ffb73fe599bac2479abd84598c6e70a1a | 2026-01-04T14:45:57.069771Z | false |
eugenp/tutorials | https://github.com/eugenp/tutorials/blob/4463e58ffb73fe599bac2479abd84598c6e70a1a/core-java-modules/core-java-14/src/main/java/com/baeldung/java14/recordscustomconstructors/UserPreference.java | core-java-modules/core-java-14/src/main/java/com/baeldung/java14/recordscustomconstructors/UserPreference.java | package com.baeldung.java14.recordscustomconstructors;
import java.util.Map;
record UserPreference(Map<String, String> preferences, boolean superUser) {
public static final UserPreference DEFAULT = new UserPreference(Map.of("language", "EN", "timezone", "UTC"), 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-14/src/main/java/com/baeldung/java14/recordscustomconstructors/StudentClassic.java | core-java-modules/core-java-14/src/main/java/com/baeldung/java14/recordscustomconstructors/StudentClassic.java | package com.baeldung.java14.recordscustomconstructors;
import java.util.Objects;
public class StudentClassic {
private String name;
private int rollNo;
private int marks;
public StudentClassic(String name, int rollNo, int marks) {
this.name = name;
this.rollNo = rollNo;
this.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-14/src/main/java/com/baeldung/serial/MySerialClass.java | core-java-modules/core-java-14/src/main/java/com/baeldung/serial/MySerialClass.java | package com.baeldung.serial;
import java.io.IOException;
import java.io.ObjectInputStream;
import java.io.ObjectOutputStream;
import java.io.ObjectStreamException;
import java.io.ObjectStreamField;
import java.io.Serial;
import java.io.Serializable;
/**
* Class showcasing the usage of the Java 14 @Serial annotation.... | java | MIT | 4463e58ffb73fe599bac2479abd84598c6e70a1a | 2026-01-04T14:45:57.069771Z | false |
eugenp/tutorials | https://github.com/eugenp/tutorials/blob/4463e58ffb73fe599bac2479abd84598c6e70a1a/core-java-modules/core-java-security-2/src/test/java/com/baeldung/checksums/ChecksumUtilsUnitTest.java | core-java-modules/core-java-security-2/src/test/java/com/baeldung/checksums/ChecksumUtilsUnitTest.java | package com.baeldung.checksums;
import org.junit.Before;
import org.junit.Test;
import java.io.ByteArrayInputStream;
import java.io.IOException;
import java.io.InputStream;
import static org.junit.jupiter.api.Assertions.*;
class ChecksumUtilsUnitTest {
byte[] arr;
@Before
void setUp() {
arr =... | java | MIT | 4463e58ffb73fe599bac2479abd84598c6e70a1a | 2026-01-04T14:45:57.069771Z | false |
eugenp/tutorials | https://github.com/eugenp/tutorials/blob/4463e58ffb73fe599bac2479abd84598c6e70a1a/core-java-modules/core-java-security-2/src/test/java/com/baeldung/trustedcert/CertificatesUnitTest.java | core-java-modules/core-java-security-2/src/test/java/com/baeldung/trustedcert/CertificatesUnitTest.java | package com.baeldung.trustedcert;
import org.junit.jupiter.api.Test;
import javax.net.ssl.TrustManager;
import javax.net.ssl.TrustManagerFactory;
import javax.net.ssl.X509TrustManager;
import java.io.File;
import java.io.FileInputStream;
import java.io.IOException;
import java.security.KeyStore;
import java.security.... | java | MIT | 4463e58ffb73fe599bac2479abd84598c6e70a1a | 2026-01-04T14:45:57.069771Z | false |
eugenp/tutorials | https://github.com/eugenp/tutorials/blob/4463e58ffb73fe599bac2479abd84598c6e70a1a/core-java-modules/core-java-security-2/src/test/java/com/baeldung/hashing/SHA3HashingUnitTest.java | core-java-modules/core-java-security-2/src/test/java/com/baeldung/hashing/SHA3HashingUnitTest.java | package com.baeldung.hashing;
import org.junit.Test;
import static org.junit.Assert.assertEquals;
public class SHA3HashingUnitTest {
private static String originalValue = "abc123";
private static String hashedValue = "f58fa3df820114f56e1544354379820cff464c9c41cb3ca0ad0b0843c9bb67ee";
/* works with JDK9... | java | MIT | 4463e58ffb73fe599bac2479abd84598c6e70a1a | 2026-01-04T14:45:57.069771Z | false |
eugenp/tutorials | https://github.com/eugenp/tutorials/blob/4463e58ffb73fe599bac2479abd84598c6e70a1a/core-java-modules/core-java-security-2/src/test/java/com/baeldung/hashing/Keccak256HashingUnitTest.java | core-java-modules/core-java-security-2/src/test/java/com/baeldung/hashing/Keccak256HashingUnitTest.java | package com.baeldung.hashing;
import org.junit.Test;
import static org.junit.Assert.assertEquals;
public class Keccak256HashingUnitTest {
private static String originalValue = "abc123";
private static String hashedValue = "719accc61a9cc126830e5906f9d672d06eab6f8597287095a2c55a8b775e7016";
@Test public ... | java | MIT | 4463e58ffb73fe599bac2479abd84598c6e70a1a | 2026-01-04T14:45:57.069771Z | false |
eugenp/tutorials | https://github.com/eugenp/tutorials/blob/4463e58ffb73fe599bac2479abd84598c6e70a1a/core-java-modules/core-java-security-2/src/test/java/com/baeldung/passwordhashing/PBKDF2HasherUnitTest.java | core-java-modules/core-java-security-2/src/test/java/com/baeldung/passwordhashing/PBKDF2HasherUnitTest.java | package com.baeldung.passwordhashing;
import org.junit.Before;
import org.junit.Test;
import static org.junit.Assert.*;
public class PBKDF2HasherUnitTest {
private PBKDF2Hasher mPBKDF2Hasher;
@Before
public void setUp() throws Exception {
mPBKDF2Hasher = new PBKDF2Hasher();
}
@Test
public void gi... | java | MIT | 4463e58ffb73fe599bac2479abd84598c6e70a1a | 2026-01-04T14:45:57.069771Z | false |
eugenp/tutorials | https://github.com/eugenp/tutorials/blob/4463e58ffb73fe599bac2479abd84598c6e70a1a/core-java-modules/core-java-security-2/src/test/java/com/baeldung/passwordhashing/SHA512HasherUnitTest.java | core-java-modules/core-java-security-2/src/test/java/com/baeldung/passwordhashing/SHA512HasherUnitTest.java | package com.baeldung.passwordhashing;
import org.junit.Before;
import org.junit.Test;
import java.security.SecureRandom;
import static org.junit.Assert.*;
/**
* Created by PhysicsSam on 06-Sep-18.
*/
public class SHA512HasherUnitTest {
private SHA512Hasher hasher;
private SecureRandom secureRandom;
@Befor... | java | MIT | 4463e58ffb73fe599bac2479abd84598c6e70a1a | 2026-01-04T14:45:57.069771Z | false |
eugenp/tutorials | https://github.com/eugenp/tutorials/blob/4463e58ffb73fe599bac2479abd84598c6e70a1a/core-java-modules/core-java-security-2/src/main/java/com/baeldung/securerandomtester/SecureRandomPerformanceTest.java | core-java-modules/core-java-security-2/src/main/java/com/baeldung/securerandomtester/SecureRandomPerformanceTest.java | package com.baeldung.securerandomtester;
import java.security.NoSuchAlgorithmException;
import java.security.SecureRandom;
import java.util.concurrent.TimeUnit;
import org.openjdk.jmh.annotations.Benchmark;
import org.openjdk.jmh.annotations.BenchmarkMode;
import org.openjdk.jmh.annotations.Level;
import org.openjdk.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-security-2/src/main/java/com/baeldung/securerandomtester/SecureRandomAvailableAlgorithms.java | core-java-modules/core-java-security-2/src/main/java/com/baeldung/securerandomtester/SecureRandomAvailableAlgorithms.java | package com.baeldung.securerandomtester;
import java.security.NoSuchAlgorithmException;
import java.security.SecureRandom;
public class SecureRandomAvailableAlgorithms {
static String[] algorithmNames = { "NativePRNG", "NativePRNGBlocking", "NativePRNGNonBlocking", "PKCS11", "SHA1PRNG", "Windows-PRNG" };
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-security-2/src/main/java/com/baeldung/jaas/ResourceAction.java | core-java-modules/core-java-security-2/src/main/java/com/baeldung/jaas/ResourceAction.java | package com.baeldung.jaas;
import java.security.PrivilegedAction;
public class ResourceAction implements PrivilegedAction {
@Override
public Object run() {
SecurityManager sm = System.getSecurityManager();
if (sm != null) {
sm.checkPermission(new ResourcePermission("test_resource")... | java | MIT | 4463e58ffb73fe599bac2479abd84598c6e70a1a | 2026-01-04T14:45:57.069771Z | false |
eugenp/tutorials | https://github.com/eugenp/tutorials/blob/4463e58ffb73fe599bac2479abd84598c6e70a1a/core-java-modules/core-java-security-2/src/main/java/com/baeldung/jaas/ResourcePermission.java | core-java-modules/core-java-security-2/src/main/java/com/baeldung/jaas/ResourcePermission.java | package com.baeldung.jaas;
import java.security.BasicPermission;
public class ResourcePermission extends BasicPermission {
public ResourcePermission(String name) {
super(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-security-2/src/main/java/com/baeldung/jaas/ConsoleCallbackHandler.java | core-java-modules/core-java-security-2/src/main/java/com/baeldung/jaas/ConsoleCallbackHandler.java | package com.baeldung.jaas;
import javax.security.auth.callback.*;
import java.io.Console;
import java.io.IOException;
public class ConsoleCallbackHandler implements CallbackHandler {
@Override
public void handle(Callback[] callbacks) throws IOException, UnsupportedCallbackException {
Console console ... | java | MIT | 4463e58ffb73fe599bac2479abd84598c6e70a1a | 2026-01-04T14:45:57.069771Z | false |
eugenp/tutorials | https://github.com/eugenp/tutorials/blob/4463e58ffb73fe599bac2479abd84598c6e70a1a/core-java-modules/core-java-security-2/src/main/java/com/baeldung/jaas/JaasAuthorization.java | core-java-modules/core-java-security-2/src/main/java/com/baeldung/jaas/JaasAuthorization.java | package com.baeldung.jaas;
import javax.security.auth.Subject;
import javax.security.auth.login.LoginException;
import java.security.PrivilegedAction;
public class JaasAuthorization {
public static void main(String[] args) throws LoginException {
LoginService loginService = new LoginService();
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-security-2/src/main/java/com/baeldung/jaas/JaasAuthentication.java | core-java-modules/core-java-security-2/src/main/java/com/baeldung/jaas/JaasAuthentication.java | package com.baeldung.jaas;
import javax.security.auth.Subject;
import javax.security.auth.login.LoginException;
public class JaasAuthentication {
public static void main(String[] args) throws LoginException {
LoginService loginService = new LoginService();
Subject subject = loginService.login();
... | java | MIT | 4463e58ffb73fe599bac2479abd84598c6e70a1a | 2026-01-04T14:45:57.069771Z | false |
eugenp/tutorials | https://github.com/eugenp/tutorials/blob/4463e58ffb73fe599bac2479abd84598c6e70a1a/core-java-modules/core-java-security-2/src/main/java/com/baeldung/jaas/LoginService.java | core-java-modules/core-java-security-2/src/main/java/com/baeldung/jaas/LoginService.java | package com.baeldung.jaas;
import javax.security.auth.Subject;
import javax.security.auth.login.LoginContext;
import javax.security.auth.login.LoginException;
public class LoginService {
public Subject login() throws LoginException {
LoginContext loginContext = new LoginContext("jaasApplication", new Con... | java | MIT | 4463e58ffb73fe599bac2479abd84598c6e70a1a | 2026-01-04T14:45:57.069771Z | false |
eugenp/tutorials | https://github.com/eugenp/tutorials/blob/4463e58ffb73fe599bac2479abd84598c6e70a1a/core-java-modules/core-java-security-2/src/main/java/com/baeldung/jaas/loginmodule/InMemoryLoginModule.java | core-java-modules/core-java-security-2/src/main/java/com/baeldung/jaas/loginmodule/InMemoryLoginModule.java | package com.baeldung.jaas.loginmodule;
import com.sun.security.auth.UserPrincipal;
import javax.security.auth.Subject;
import javax.security.auth.callback.*;
import javax.security.auth.login.LoginException;
import javax.security.auth.spi.LoginModule;
import java.io.IOException;
import java.security.Principal;
import ... | java | MIT | 4463e58ffb73fe599bac2479abd84598c6e70a1a | 2026-01-04T14:45:57.069771Z | false |
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