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-25/src/main/java/com/baeldung/flexibleconstructorbodies/Coffee.java | core-java-modules/core-java-25/src/main/java/com/baeldung/flexibleconstructorbodies/Coffee.java | package com.baeldung.flexibleconstructorbodies;
public class Coffee {
int water;
int milk;
public Coffee(int water, int milk) {
this.water = water;
this.milk = milk;
}
public int getTotalVolume() {
return water + milk;
}
}
| java | MIT | 4463e58ffb73fe599bac2479abd84598c6e70a1a | 2026-01-04T14:45:57.069771Z | false |
eugenp/tutorials | https://github.com/eugenp/tutorials/blob/4463e58ffb73fe599bac2479abd84598c6e70a1a/core-java-modules/core-java-date-operations-3/src/test/java/com/baeldung/firstdaymonth/FirstDayOfMonthUnitTest.java | core-java-modules/core-java-date-operations-3/src/test/java/com/baeldung/firstdaymonth/FirstDayOfMonthUnitTest.java | package com.baeldung.firstdaymonth;
import static org.junit.jupiter.api.Assertions.assertEquals;
import java.time.LocalDate;
import java.time.YearMonth;
import java.time.temporal.TemporalAdjusters;
import java.util.Calendar;
import java.util.Date;
import java.util.GregorianCalendar;
import org.junit.jupiter.api.Test... | java | MIT | 4463e58ffb73fe599bac2479abd84598c6e70a1a | 2026-01-04T14:45:57.069771Z | false |
eugenp/tutorials | https://github.com/eugenp/tutorials/blob/4463e58ffb73fe599bac2479abd84598c6e70a1a/core-java-modules/core-java-date-operations-3/src/test/java/com/baeldung/unixtime/UnixTimeUtilsUnitTest.java | core-java-modules/core-java-date-operations-3/src/test/java/com/baeldung/unixtime/UnixTimeUtilsUnitTest.java | package com.baeldung.unixtime;
import static org.assertj.core.api.Assertions.assertThat;
import static org.junit.jupiter.api.Assertions.assertEquals;
import java.time.Instant;
import java.time.LocalDateTime;
import java.time.temporal.ChronoField;
import java.util.Calendar;
import java.util.Date;
import org.junit.jup... | java | MIT | 4463e58ffb73fe599bac2479abd84598c6e70a1a | 2026-01-04T14:45:57.069771Z | false |
eugenp/tutorials | https://github.com/eugenp/tutorials/blob/4463e58ffb73fe599bac2479abd84598c6e70a1a/core-java-modules/core-java-date-operations-3/src/test/java/com/baeldung/date/AddOneMonthToCurrentDateUnitTest.java | core-java-modules/core-java-date-operations-3/src/test/java/com/baeldung/date/AddOneMonthToCurrentDateUnitTest.java | package com.baeldung.date;
import static org.junit.jupiter.api.Assertions.assertEquals;
import java.time.LocalDate;
import java.util.Calendar;
import java.util.Date;
import java.util.GregorianCalendar;
import org.apache.commons.lang3.time.DateUtils;
import org.junit.jupiter.api.Test;
class AddOneMonthToCurrentDateU... | java | MIT | 4463e58ffb73fe599bac2479abd84598c6e70a1a | 2026-01-04T14:45:57.069771Z | false |
eugenp/tutorials | https://github.com/eugenp/tutorials/blob/4463e58ffb73fe599bac2479abd84598c6e70a1a/core-java-modules/core-java-date-operations-3/src/test/java/com/baeldung/date/DayOfTheWeekUnitTest.java | core-java-modules/core-java-date-operations-3/src/test/java/com/baeldung/date/DayOfTheWeekUnitTest.java | package com.baeldung.date;
import java.time.LocalDate;
import java.util.Arrays;
import java.util.List;
import java.util.Locale;
import org.junit.jupiter.api.Assertions;
import org.junit.jupiter.api.Test;
class DayOfTheWeekUnitTest {
DayOfTheWeek dayOfTheWeek = new DayOfTheWeek();
@Test
void whenInputDat... | java | MIT | 4463e58ffb73fe599bac2479abd84598c6e70a1a | 2026-01-04T14:45:57.069771Z | false |
eugenp/tutorials | https://github.com/eugenp/tutorials/blob/4463e58ffb73fe599bac2479abd84598c6e70a1a/core-java-modules/core-java-date-operations-3/src/test/java/com/baeldung/date/GetYesterdayDateUnitTest.java | core-java-modules/core-java-date-operations-3/src/test/java/com/baeldung/date/GetYesterdayDateUnitTest.java | package com.baeldung.date;
import static org.junit.jupiter.api.Assertions.assertEquals;
import java.time.LocalDate;
import java.util.Calendar;
import java.util.Date;
import java.util.GregorianCalendar;
import org.apache.commons.lang3.time.DateUtils;
import org.joda.time.Instant;
import org.junit.jupiter.api.Test;
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-date-operations-3/src/test/java/com/baeldung/utiltosqldate/UtilToSqlDateUtilsUnitTest.java | core-java-modules/core-java-date-operations-3/src/test/java/com/baeldung/utiltosqldate/UtilToSqlDateUtilsUnitTest.java | package com.baeldung.utiltosqldate;
import org.junit.jupiter.api.Assertions;
import org.junit.jupiter.api.Test;
import java.text.ParseException;
import java.util.Date;
public class UtilToSqlDateUtilsUnitTest {
@Test
public void givenUtilDate_whenCastingToSqlDate_thenThrowException() {
Assertions.ass... | java | MIT | 4463e58ffb73fe599bac2479abd84598c6e70a1a | 2026-01-04T14:45:57.069771Z | false |
eugenp/tutorials | https://github.com/eugenp/tutorials/blob/4463e58ffb73fe599bac2479abd84598c6e70a1a/core-java-modules/core-java-date-operations-3/src/test/java/com/baeldung/firstandlastdayofyear/FirstAndLastDayOfYearUnitTest.java | core-java-modules/core-java-date-operations-3/src/test/java/com/baeldung/firstandlastdayofyear/FirstAndLastDayOfYearUnitTest.java | package com.baeldung.firstandlastdayofyear;
import static org.junit.Assert.assertEquals;
import java.text.SimpleDateFormat;
import java.time.DayOfWeek;
import java.time.LocalDate;
import java.time.Month;
import java.util.Calendar;
import java.util.Date;
import org.junit.jupiter.api.Test;
import static java.time.temp... | java | MIT | 4463e58ffb73fe599bac2479abd84598c6e70a1a | 2026-01-04T14:45:57.069771Z | false |
eugenp/tutorials | https://github.com/eugenp/tutorials/blob/4463e58ffb73fe599bac2479abd84598c6e70a1a/core-java-modules/core-java-date-operations-3/src/test/java/com/baeldung/timeunitconversions/TimeUnitConversionsUnitTest.java | core-java-modules/core-java-date-operations-3/src/test/java/com/baeldung/timeunitconversions/TimeUnitConversionsUnitTest.java | package com.baeldung.timeunitconversions;
import org.junit.jupiter.api.Test;
import java.util.concurrent.TimeUnit;
import static org.assertj.core.api.Assertions.assertThat;
class TimeUnitConversionsUnitTest {
@Test
void givenSeconds_whenConvertToMinutes_thenCorrect() {
int input = 60;
lon... | java | MIT | 4463e58ffb73fe599bac2479abd84598c6e70a1a | 2026-01-04T14:45:57.069771Z | false |
eugenp/tutorials | https://github.com/eugenp/tutorials/blob/4463e58ffb73fe599bac2479abd84598c6e70a1a/core-java-modules/core-java-date-operations-3/src/main/java/com/baeldung/unixtime/UnixTimeUtils.java | core-java-modules/core-java-date-operations-3/src/main/java/com/baeldung/unixtime/UnixTimeUtils.java | package com.baeldung.unixtime;
import java.time.Instant;
import java.time.LocalDateTime;
import java.time.ZoneOffset;
import java.time.format.DateTimeFormatter;
import java.util.Calendar;
import java.util.Date;
public class UnixTimeUtils {
private UnixTimeUtils() {
}
public static Date dateFrom(long tim... | java | MIT | 4463e58ffb73fe599bac2479abd84598c6e70a1a | 2026-01-04T14:45:57.069771Z | false |
eugenp/tutorials | https://github.com/eugenp/tutorials/blob/4463e58ffb73fe599bac2479abd84598c6e70a1a/core-java-modules/core-java-date-operations-3/src/main/java/com/baeldung/date/DayOfTheWeek.java | core-java-modules/core-java-date-operations-3/src/main/java/com/baeldung/date/DayOfTheWeek.java | package com.baeldung.date;
import java.time.DayOfWeek;
import java.time.LocalDate;
import java.time.LocalDateTime;
import java.time.ZoneId;
import java.time.temporal.TemporalAdjusters;
import java.time.temporal.TemporalField;
import java.time.temporal.WeekFields;
import java.util.Calendar;
import java.util.Date;
impor... | java | MIT | 4463e58ffb73fe599bac2479abd84598c6e70a1a | 2026-01-04T14:45:57.069771Z | false |
eugenp/tutorials | https://github.com/eugenp/tutorials/blob/4463e58ffb73fe599bac2479abd84598c6e70a1a/core-java-modules/core-java-date-operations-3/src/main/java/com/baeldung/utiltosqldate/UtilToSqlDateUtils.java | core-java-modules/core-java-date-operations-3/src/main/java/com/baeldung/utiltosqldate/UtilToSqlDateUtils.java | package com.baeldung.utiltosqldate;
import java.text.ParseException;
import java.text.SimpleDateFormat;
import java.time.LocalDate;
import java.time.ZoneId;
import java.util.TimeZone;
public class UtilToSqlDateUtils {
public static java.util.Date createAmericanDate(String date) throws ParseException {
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-types-3/src/test/java/com/baeldung/nestedclass/NewEnclosing.java | core-java-modules/core-java-lang-oop-types-3/src/test/java/com/baeldung/nestedclass/NewEnclosing.java | package com.baeldung.nestedclass;
import org.junit.Test;
public class NewEnclosing {
private void run() {
class Local {
void run() {
System.out.println("Welcome to Baeldung!");
}
}
Local local = new Local();
local.run();
}
@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-lang-oop-types-3/src/test/java/com/baeldung/nestedclass/Outer.java | core-java-modules/core-java-lang-oop-types-3/src/test/java/com/baeldung/nestedclass/Outer.java | package com.baeldung.nestedclass;
import org.junit.Test;
public class Outer {
public class Inner {
public void run() {
System.out.println("Calling test...");
}
}
@Test
public void test() {
Outer outer = new Outer();
Inner inner = outer.new Inner();
... | 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-types-3/src/test/java/com/baeldung/nestedclass/AnonymousInnerUnitTest.java | core-java-modules/core-java-lang-oop-types-3/src/test/java/com/baeldung/nestedclass/AnonymousInnerUnitTest.java | package com.baeldung.nestedclass;
import org.junit.Test;
abstract class SimpleAbstractClass {
abstract void run();
}
public class AnonymousInnerUnitTest {
@Test
public void run() {
SimpleAbstractClass simpleAbstractClass = new SimpleAbstractClass() {
void run() {
Syst... | 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-types-3/src/test/java/com/baeldung/nestedclass/NewOuter.java | core-java-modules/core-java-lang-oop-types-3/src/test/java/com/baeldung/nestedclass/NewOuter.java | package com.baeldung.nestedclass;
import org.junit.Test;
public class NewOuter {
int a = 1;
static int b = 2;
public class InnerClass {
int a = 3;
static final int b = 4;
public void run() {
System.out.println("a = " + a);
System.out.println("b = " + b);
... | java | MIT | 4463e58ffb73fe599bac2479abd84598c6e70a1a | 2026-01-04T14:45:57.069771Z | false |
eugenp/tutorials | https://github.com/eugenp/tutorials/blob/4463e58ffb73fe599bac2479abd84598c6e70a1a/core-java-modules/core-java-lang-oop-types-3/src/test/java/com/baeldung/nestedclass/Enclosing.java | core-java-modules/core-java-lang-oop-types-3/src/test/java/com/baeldung/nestedclass/Enclosing.java | package com.baeldung.nestedclass;
import org.junit.Test;
public class Enclosing {
private static int x = 1;
public static class StaticNested {
private void run() {
System.out.println("x = " + x);
}
}
@Test
public void test() {
StaticNested nested = new Stati... | 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-types-3/src/test/java/com/baeldung/primitivetype/PrimitiveTypeUnitTest.java | core-java-modules/core-java-lang-oop-types-3/src/test/java/com/baeldung/primitivetype/PrimitiveTypeUnitTest.java | package com.baeldung.primitivetype;
import static org.junit.Assert.assertFalse;
import static org.junit.Assert.assertTrue;
import org.apache.commons.lang3.ClassUtils;
import org.apache.commons.lang3.StringUtils;
import org.junit.Test;
import com.google.common.primitives.Primitives;
public class PrimitiveTypeUnitTes... | 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-types-3/src/test/java/com/baeldung/classfile/OuterUnitTest.java | core-java-modules/core-java-lang-oop-types-3/src/test/java/com/baeldung/classfile/OuterUnitTest.java | package com.baeldung.classfile;
import static org.junit.jupiter.api.Assertions.assertEquals;
import org.junit.jupiter.api.Test;
import com.baeldung.classfile.Outer.Nested;
public class OuterUnitTest {
@Test
public void when_static_nestedClass_then_verifyOutput() {
Outer.StaticNested nestedClass = 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-lang-oop-types-3/src/main/java/com/baeldung/thiskeyword/Keyword.java | core-java-modules/core-java-lang-oop-types-3/src/main/java/com/baeldung/thiskeyword/Keyword.java | package com.baeldung.thiskeyword;
public class Keyword {
private String name;
private int age;
public Keyword() {
this("John", 27);
this.printMessage();
printInstance(this);
}
public Keyword(String name, int age) {
this.name = name;
this.age = 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-lang-oop-types-3/src/main/java/com/baeldung/primitivetype/PrimitiveTypeUtil.java | core-java-modules/core-java-lang-oop-types-3/src/main/java/com/baeldung/primitivetype/PrimitiveTypeUtil.java | package com.baeldung.primitivetype;
import java.util.HashMap;
import java.util.Map;
public class PrimitiveTypeUtil {
private static final Map<Class<?>, Class<?>> WRAPPER_TYPE_MAP;
static {
WRAPPER_TYPE_MAP = new HashMap<Class<?>, Class<?>>(16);
WRAPPER_TYPE_MAP.put(Integer.class, int.class);
... | java | MIT | 4463e58ffb73fe599bac2479abd84598c6e70a1a | 2026-01-04T14:45:57.069771Z | false |
eugenp/tutorials | https://github.com/eugenp/tutorials/blob/4463e58ffb73fe599bac2479abd84598c6e70a1a/core-java-modules/core-java-lang-oop-types-3/src/main/java/com/baeldung/classfile/Outer.java | core-java-modules/core-java-lang-oop-types-3/src/main/java/com/baeldung/classfile/Outer.java | package com.baeldung.classfile;
import org.apache.commons.lang3.StringUtils;
import com.baeldung.classfile.HelloWorld.HelloSomeone;
public class Outer {
// Static Nested class
static class StaticNested {
public String message() {
return "This is a static Nested Class";
}
}
... | java | MIT | 4463e58ffb73fe599bac2479abd84598c6e70a1a | 2026-01-04T14:45:57.069771Z | false |
eugenp/tutorials | https://github.com/eugenp/tutorials/blob/4463e58ffb73fe599bac2479abd84598c6e70a1a/core-java-modules/core-java-booleans/src/test/java/com/baeldung/booleans/BooleanTrueVsTrueUnitTest.java | core-java-modules/core-java-booleans/src/test/java/com/baeldung/booleans/BooleanTrueVsTrueUnitTest.java | package com.baeldung.booleans;
import org.junit.jupiter.api.Test;
import static org.junit.jupiter.api.Assertions.*;
public class BooleanTrueVsTrueUnitTest {
@Test
public void given_BooleanValues_whenUsingBooleanTrue_thenTestBooleanEquality() {
assertEquals(Boolean.TRUE, Boolean.valueOf(true));
}... | java | MIT | 4463e58ffb73fe599bac2479abd84598c6e70a1a | 2026-01-04T14:45:57.069771Z | false |
eugenp/tutorials | https://github.com/eugenp/tutorials/blob/4463e58ffb73fe599bac2479abd84598c6e70a1a/core-java-modules/core-java-booleans/src/test/java/com/baeldung/booleans/BooleanToStringUnitTest.java | core-java-modules/core-java-booleans/src/test/java/com/baeldung/booleans/BooleanToStringUnitTest.java | package com.baeldung.booleans;
import org.junit.jupiter.api.Test;
import static org.junit.jupiter.api.Assertions.assertEquals;
import static org.junit.jupiter.api.Assertions.assertThrows;
public class BooleanToStringUnitTest {
String optionToString(String optionName, boolean optionValue) {
return 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-booleans/src/test/java/com/baeldung/booleans/BooleanEqualityUnitTest.java | core-java-modules/core-java-booleans/src/test/java/com/baeldung/booleans/BooleanEqualityUnitTest.java | package com.baeldung.booleans;
import static org.junit.jupiter.api.Assertions.*;
import java.util.Objects;
import org.junit.jupiter.api.Test;
public class BooleanEqualityUnitTest {
@Test
void givenPrimitiveBooleans_whenUsingDirectComparison_thenCompare() {
boolean a = true;
boolean b = true;
... | java | MIT | 4463e58ffb73fe599bac2479abd84598c6e70a1a | 2026-01-04T14:45:57.069771Z | false |
eugenp/tutorials | https://github.com/eugenp/tutorials/blob/4463e58ffb73fe599bac2479abd84598c6e70a1a/core-java-modules/core-java-18/src/test/java/com/baeldung/finalization_closeable_cleaner/FinalizationCloseableCleanerUnitTest.java | core-java-modules/core-java-18/src/test/java/com/baeldung/finalization_closeable_cleaner/FinalizationCloseableCleanerUnitTest.java | package com.baeldung.finalization_closeable_cleaner;
import static org.junit.jupiter.api.Assertions.assertDoesNotThrow;
import java.io.IOException;
import org.junit.Assert;
import org.junit.Test;
public class FinalizationCloseableCleanerUnitTest {
@Test
public void givenMyFinalizationResource_whenUsingFina... | java | MIT | 4463e58ffb73fe599bac2479abd84598c6e70a1a | 2026-01-04T14:45:57.069771Z | false |
eugenp/tutorials | https://github.com/eugenp/tutorials/blob/4463e58ffb73fe599bac2479abd84598c6e70a1a/core-java-modules/core-java-18/src/test/java/com/baeldung/inetspi/InetAddressSPIUnitTest.java | core-java-modules/core-java-18/src/test/java/com/baeldung/inetspi/InetAddressSPIUnitTest.java | package com.baeldung.inetspi;
import java.net.InetAddress;
import java.net.UnknownHostException;
import java.util.stream.Stream;
import org.junit.Assert;
import org.junit.Ignore;
import org.junit.Test;
public class InetAddressSPIUnitTest {
@Ignore("JAVA-43793")
@Test
public void givenInetAddress_whenUsi... | java | MIT | 4463e58ffb73fe599bac2479abd84598c6e70a1a | 2026-01-04T14:45:57.069771Z | false |
eugenp/tutorials | https://github.com/eugenp/tutorials/blob/4463e58ffb73fe599bac2479abd84598c6e70a1a/core-java-modules/core-java-18/src/main/java/com/baeldung/finalization_closeable_cleaner/MyFinalizableResourceClass.java | core-java-modules/core-java-18/src/main/java/com/baeldung/finalization_closeable_cleaner/MyFinalizableResourceClass.java | package com.baeldung.finalization_closeable_cleaner;
import java.io.FileInputStream;
import java.io.FileNotFoundException;
import java.io.IOException;
public class MyFinalizableResourceClass {
private FileInputStream fis;
public MyFinalizableResourceClass() throws FileNotFoundException {
this.fis = 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-18/src/main/java/com/baeldung/finalization_closeable_cleaner/MyCloseableResourceClass.java | core-java-modules/core-java-18/src/main/java/com/baeldung/finalization_closeable_cleaner/MyCloseableResourceClass.java | package com.baeldung.finalization_closeable_cleaner;
import java.io.FileInputStream;
import java.io.FileNotFoundException;
import java.io.IOException;
public class MyCloseableResourceClass implements AutoCloseable {
private final FileInputStream fis;
public MyCloseableResourceClass() throws FileNotFoundExce... | java | MIT | 4463e58ffb73fe599bac2479abd84598c6e70a1a | 2026-01-04T14:45:57.069771Z | false |
eugenp/tutorials | https://github.com/eugenp/tutorials/blob/4463e58ffb73fe599bac2479abd84598c6e70a1a/core-java-modules/core-java-18/src/main/java/com/baeldung/finalization_closeable_cleaner/MyCleanerResourceClass.java | core-java-modules/core-java-18/src/main/java/com/baeldung/finalization_closeable_cleaner/MyCleanerResourceClass.java | package com.baeldung.finalization_closeable_cleaner;
import java.lang.ref.Cleaner;
public class MyCleanerResourceClass implements AutoCloseable {
private static Resource resource;
private static final Cleaner cleaner = Cleaner.create();
private final Cleaner.Cleanable cleanable;
public MyCleanerReso... | java | MIT | 4463e58ffb73fe599bac2479abd84598c6e70a1a | 2026-01-04T14:45:57.069771Z | false |
eugenp/tutorials | https://github.com/eugenp/tutorials/blob/4463e58ffb73fe599bac2479abd84598c6e70a1a/core-java-modules/core-java-18/src/main/java/com/baeldung/finalization_closeable_cleaner/FinalizationExamples.java | core-java-modules/core-java-18/src/main/java/com/baeldung/finalization_closeable_cleaner/FinalizationExamples.java | package com.baeldung.finalization_closeable_cleaner;
import java.io.FileInputStream;
import java.io.IOException;
public class FinalizationExamples {
FileInputStream fis = null;
public void readFileOperationWithFinalization() throws IOException {
try {
fis = new FileInputStream("input.txt"... | java | MIT | 4463e58ffb73fe599bac2479abd84598c6e70a1a | 2026-01-04T14:45:57.069771Z | false |
eugenp/tutorials | https://github.com/eugenp/tutorials/blob/4463e58ffb73fe599bac2479abd84598c6e70a1a/core-java-modules/core-java-18/src/main/java/com/baeldung/simplewebserver/WebServer.java | core-java-modules/core-java-18/src/main/java/com/baeldung/simplewebserver/WebServer.java | package com.baeldung.simplewebserver;
import java.io.IOException;
import java.net.InetSocketAddress;
import java.nio.file.Path;
import java.util.function.Predicate;
import com.sun.net.httpserver.Filter;
import com.sun.net.httpserver.Headers;
import com.sun.net.httpserver.HttpHandler;
import com.sun.net.httpserver.Htt... | java | MIT | 4463e58ffb73fe599bac2479abd84598c6e70a1a | 2026-01-04T14:45:57.069771Z | false |
eugenp/tutorials | https://github.com/eugenp/tutorials/blob/4463e58ffb73fe599bac2479abd84598c6e70a1a/core-java-modules/core-java-18/src/main/java/com/baeldung/inetspi/InetAddressSPI.java | core-java-modules/core-java-18/src/main/java/com/baeldung/inetspi/InetAddressSPI.java | package com.baeldung.inetspi;
import java.net.InetAddress;
import java.net.UnknownHostException;
import java.util.Arrays;
import java.util.stream.Stream;
import com.baeldung.inetspi.providers.CustomAddressResolverImpl;
public class InetAddressSPI {
public String usingGetByName(String host) throws UnknownHostExce... | java | MIT | 4463e58ffb73fe599bac2479abd84598c6e70a1a | 2026-01-04T14:45:57.069771Z | false |
eugenp/tutorials | https://github.com/eugenp/tutorials/blob/4463e58ffb73fe599bac2479abd84598c6e70a1a/core-java-modules/core-java-18/src/main/java/com/baeldung/inetspi/Registry.java | core-java-modules/core-java-18/src/main/java/com/baeldung/inetspi/Registry.java | package com.baeldung.inetspi;
import java.net.InetAddress;
import java.net.UnknownHostException;
import java.util.Arrays;
import java.util.List;
import java.util.Map;
import java.util.Objects;
import java.util.logging.Logger;
import java.util.stream.Stream;
public class Registry {
private final Map<String, List<b... | java | MIT | 4463e58ffb73fe599bac2479abd84598c6e70a1a | 2026-01-04T14:45:57.069771Z | false |
eugenp/tutorials | https://github.com/eugenp/tutorials/blob/4463e58ffb73fe599bac2479abd84598c6e70a1a/core-java-modules/core-java-18/src/main/java/com/baeldung/inetspi/providers/CustomAddressResolverImpl.java | core-java-modules/core-java-18/src/main/java/com/baeldung/inetspi/providers/CustomAddressResolverImpl.java | package com.baeldung.inetspi.providers;
import java.net.InetAddress;
import java.net.UnknownHostException;
import java.net.spi.InetAddressResolver;
import java.net.spi.InetAddressResolverProvider;
import java.util.HashMap;
import java.util.List;
import java.util.Map;
import java.util.logging.Logger;
import java.util.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-19/src/test/java/com/baeldung/vectors/VectorAPIUnitTest.java | core-java-modules/core-java-19/src/test/java/com/baeldung/vectors/VectorAPIUnitTest.java | package com.baeldung.vectors;
import static org.junit.Assert.assertArrayEquals;
import org.junit.Test;
import org.junit.jupiter.api.Assertions;
public class VectorAPIUnitTest {
VectorAPIExamples vector = new VectorAPIExamples();
@Test
public void whenTwoArraysProvided_thenVerifyScalarAdd() {
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-19/src/test/java/com/baeldung/features/JEP405RecordPatternsUnitTest.java | core-java-modules/core-java-19/src/test/java/com/baeldung/features/JEP405RecordPatternsUnitTest.java | package com.baeldung.features;
import com.baeldung.features.records.GPSPoint;
import com.baeldung.features.records.Location;
import com.baeldung.features.records.LocationWrapper;
import org.junit.jupiter.api.Test;
import static org.assertj.core.api.AssertionsForClassTypes.assertThat;
public class JEP405RecordPatter... | java | MIT | 4463e58ffb73fe599bac2479abd84598c6e70a1a | 2026-01-04T14:45:57.069771Z | false |
eugenp/tutorials | https://github.com/eugenp/tutorials/blob/4463e58ffb73fe599bac2479abd84598c6e70a1a/core-java-modules/core-java-19/src/test/java/com/baeldung/features/JEP428StructuredConcurrencyUnitTest.java | core-java-modules/core-java-19/src/test/java/com/baeldung/features/JEP428StructuredConcurrencyUnitTest.java | package com.baeldung.features;
import jdk.incubator.concurrent.StructuredTaskScope;
import org.junit.jupiter.api.Test;
import java.time.Instant;
import java.util.List;
import java.util.concurrent.*;
import static org.assertj.core.api.AssertionsForClassTypes.assertThat;
import static org.assertj.core.api.AssertionsFo... | java | MIT | 4463e58ffb73fe599bac2479abd84598c6e70a1a | 2026-01-04T14:45:57.069771Z | false |
eugenp/tutorials | https://github.com/eugenp/tutorials/blob/4463e58ffb73fe599bac2479abd84598c6e70a1a/core-java-modules/core-java-19/src/main/java/com/baeldung/vectors/VectorAPIExamples.java | core-java-modules/core-java-19/src/main/java/com/baeldung/vectors/VectorAPIExamples.java | package com.baeldung.vectors;
import jdk.incubator.vector.FloatVector;
import jdk.incubator.vector.IntVector;
import jdk.incubator.vector.VectorOperators;
import jdk.incubator.vector.VectorSpecies;
/**
* This class contains examples of the Vector API in Java, more specifically the fourth incubator to the Vector API.... | java | MIT | 4463e58ffb73fe599bac2479abd84598c6e70a1a | 2026-01-04T14:45:57.069771Z | false |
eugenp/tutorials | https://github.com/eugenp/tutorials/blob/4463e58ffb73fe599bac2479abd84598c6e70a1a/core-java-modules/core-java-19/src/main/java/com/baeldung/features/records/Location.java | core-java-modules/core-java-19/src/main/java/com/baeldung/features/records/Location.java | package com.baeldung.features.records;
public record Location(String name, GPSPoint gpsPoint) implements ILocation {
}
| java | MIT | 4463e58ffb73fe599bac2479abd84598c6e70a1a | 2026-01-04T14:45:57.069771Z | false |
eugenp/tutorials | https://github.com/eugenp/tutorials/blob/4463e58ffb73fe599bac2479abd84598c6e70a1a/core-java-modules/core-java-19/src/main/java/com/baeldung/features/records/LocationWrapper.java | core-java-modules/core-java-19/src/main/java/com/baeldung/features/records/LocationWrapper.java | package com.baeldung.features.records;
public record LocationWrapper<T>(T t, String description) { }
| java | MIT | 4463e58ffb73fe599bac2479abd84598c6e70a1a | 2026-01-04T14:45:57.069771Z | false |
eugenp/tutorials | https://github.com/eugenp/tutorials/blob/4463e58ffb73fe599bac2479abd84598c6e70a1a/core-java-modules/core-java-19/src/main/java/com/baeldung/features/records/ILocation.java | core-java-modules/core-java-19/src/main/java/com/baeldung/features/records/ILocation.java | package com.baeldung.features.records;
public sealed interface ILocation permits Location {
default String getName() {
return switch (this) {
case Location(var name, var ignored) -> 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-19/src/main/java/com/baeldung/features/records/GPSPoint.java | core-java-modules/core-java-19/src/main/java/com/baeldung/features/records/GPSPoint.java | package com.baeldung.features.records;
public record GPSPoint (double lat, double lng) { } | java | MIT | 4463e58ffb73fe599bac2479abd84598c6e70a1a | 2026-01-04T14:45:57.069771Z | false |
eugenp/tutorials | https://github.com/eugenp/tutorials/blob/4463e58ffb73fe599bac2479abd84598c6e70a1a/core-java-modules/core-java-19/src/main/java/com/baeldung/highcpu/Application.java | core-java-modules/core-java-19/src/main/java/com/baeldung/highcpu/Application.java | package com.baeldung.highcpu;
import java.util.LinkedList;
import java.util.List;
import java.util.function.IntUnaryOperator;
import java.util.stream.IntStream;
public class Application {
static List<Integer> generateList() {
return IntStream.range(0, 10000000).parallel().map(IntUnaryOperator.identity())... | java | MIT | 4463e58ffb73fe599bac2479abd84598c6e70a1a | 2026-01-04T14:45:57.069771Z | false |
eugenp/tutorials | https://github.com/eugenp/tutorials/blob/4463e58ffb73fe599bac2479abd84598c6e70a1a/core-java-modules/core-java-optional-2/src/test/java/com/baeldung/optionalandnonoptional/CompareOptionalAndNonOptionalUnitTest.java | core-java-modules/core-java-optional-2/src/test/java/com/baeldung/optionalandnonoptional/CompareOptionalAndNonOptionalUnitTest.java | package com.baeldung.optionalandnonoptional;
import static org.junit.jupiter.api.Assertions.assertFalse;
import static org.junit.jupiter.api.Assertions.assertTrue;
import java.util.Optional;
import org.junit.jupiter.api.Test;
public class CompareOptionalAndNonOptionalUnitTest {
private static final String A_B_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-optional-2/src/test/java/com/baeldung/ofvsofnullable/OptionalOfVsOfNullableUnitTest.java | core-java-modules/core-java-optional-2/src/test/java/com/baeldung/ofvsofnullable/OptionalOfVsOfNullableUnitTest.java | package com.baeldung.ofvsofnullable;
import static org.assertj.core.api.Assertions.assertThat;
import static org.assertj.core.api.Assertions.assertThatThrownBy;
import java.util.Optional;
import org.junit.jupiter.api.Test;
public class OptionalOfVsOfNullableUnitTest {
@Test
void givenNonNullReference_whenU... | java | MIT | 4463e58ffb73fe599bac2479abd84598c6e70a1a | 2026-01-04T14:45:57.069771Z | false |
eugenp/tutorials | https://github.com/eugenp/tutorials/blob/4463e58ffb73fe599bac2479abd84598c6e70a1a/core-java-modules/core-java-optional-2/src/test/java/com/baeldung/optionalallpreset/OptionalAllPresentUnitTest.java | core-java-modules/core-java-optional-2/src/test/java/com/baeldung/optionalallpreset/OptionalAllPresentUnitTest.java | package com.baeldung.optionalallpreset;
import org.junit.jupiter.api.Assertions;
import org.junit.jupiter.api.Test;
import java.util.Optional;
import java.util.stream.Stream;
public class OptionalAllPresentUnitTest {
@Test
public void givenThreeOptionals_performAction_onlyIfAllPresent_usingIfCondition() {
... | java | MIT | 4463e58ffb73fe599bac2479abd84598c6e70a1a | 2026-01-04T14:45:57.069771Z | false |
eugenp/tutorials | https://github.com/eugenp/tutorials/blob/4463e58ffb73fe599bac2479abd84598c6e70a1a/core-java-modules/core-java-optional-2/src/test/java/com/baeldung/orelseoptional/OrElseOptionalUnitTest.java | core-java-modules/core-java-optional-2/src/test/java/com/baeldung/orelseoptional/OrElseOptionalUnitTest.java | package com.baeldung.orelseoptional;
import org.junit.Test;
import java.util.Optional;
import static org.junit.Assert.assertEquals;
public class OrElseOptionalUnitTest {
@Test
public void givenOptional_whenValue_thenOptionalGeneralMethod() {
String name = "Filan Fisteku";
String missingOpti... | java | MIT | 4463e58ffb73fe599bac2479abd84598c6e70a1a | 2026-01-04T14:45:57.069771Z | false |
eugenp/tutorials | https://github.com/eugenp/tutorials/blob/4463e58ffb73fe599bac2479abd84598c6e70a1a/core-java-modules/core-java-optional-2/src/test/java/com/baeldung/optionaluses/UsesForOptionalUnitTest.java | core-java-modules/core-java-optional-2/src/test/java/com/baeldung/optionaluses/UsesForOptionalUnitTest.java | package com.baeldung.optionaluses;
import static org.junit.jupiter.api.Assertions.assertDoesNotThrow;
import static org.junit.jupiter.api.Assertions.assertEquals;
import static org.junit.jupiter.api.Assertions.assertThrows;
import org.junit.jupiter.api.Test;
class UsesForOptionalUnitTest {
@Test
void givenN... | java | MIT | 4463e58ffb73fe599bac2479abd84598c6e70a1a | 2026-01-04T14:45:57.069771Z | false |
eugenp/tutorials | https://github.com/eugenp/tutorials/blob/4463e58ffb73fe599bac2479abd84598c6e70a1a/core-java-modules/core-java-optional-2/src/test/java/com/baeldung/emptystringoptional/EmptyStringToEmptyOptionalUnitTest.java | core-java-modules/core-java-optional-2/src/test/java/com/baeldung/emptystringoptional/EmptyStringToEmptyOptionalUnitTest.java | package com.baeldung.emptystringoptional;
import com.google.common.base.Strings;
import org.junit.Assert;
import org.junit.Test;
import java.util.Optional;
import java.util.function.Predicate;
public class EmptyStringToEmptyOptionalUnitTest {
@Test
public void givenEmptyString_whenFilteringOnOptional_thenEm... | java | MIT | 4463e58ffb73fe599bac2479abd84598c6e70a1a | 2026-01-04T14:45:57.069771Z | false |
eugenp/tutorials | https://github.com/eugenp/tutorials/blob/4463e58ffb73fe599bac2479abd84598c6e70a1a/core-java-modules/core-java-optional-2/src/main/java/com/baeldung/orelseoptional/OptionalUtils.java | core-java-modules/core-java-optional-2/src/main/java/com/baeldung/orelseoptional/OptionalUtils.java | package com.baeldung.orelseoptional;
import java.util.Optional;
public class OptionalUtils {
public static <T> Optional<T> or(Optional<T> optional, Optional<T> fallback) {
return optional.isPresent() ? optional : fallback;
}
// public static Optional<String> getName(Optional<String> name) {
// ... | java | MIT | 4463e58ffb73fe599bac2479abd84598c6e70a1a | 2026-01-04T14:45:57.069771Z | false |
eugenp/tutorials | https://github.com/eugenp/tutorials/blob/4463e58ffb73fe599bac2479abd84598c6e70a1a/core-java-modules/core-java-optional-2/src/main/java/com/baeldung/orelseoptional/ItemsProvider.java | core-java-modules/core-java-optional-2/src/main/java/com/baeldung/orelseoptional/ItemsProvider.java | package com.baeldung.orelseoptional;
import java.util.Optional;
public class ItemsProvider {
Optional<String> getEmptyItem() {
System.out.println("Returning an empty item");
return Optional.empty();
}
Optional<String> getNail() {
System.out.println("Returning a nail");
re... | java | MIT | 4463e58ffb73fe599bac2479abd84598c6e70a1a | 2026-01-04T14:45:57.069771Z | false |
eugenp/tutorials | https://github.com/eugenp/tutorials/blob/4463e58ffb73fe599bac2479abd84598c6e70a1a/core-java-modules/core-java-optional-2/src/main/java/com/baeldung/optionaluses/UserRepositoryWithOptional.java | core-java-modules/core-java-optional-2/src/main/java/com/baeldung/optionaluses/UserRepositoryWithOptional.java | package com.baeldung.optionaluses;
import java.util.Arrays;
import java.util.List;
import java.util.Optional;
public class UserRepositoryWithOptional {
private final List<User> dbUsers = Arrays.asList(new User("1", "John"), new User("2", "Maria"), new User("3", "Daniel"));
public Optional<User> findById(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-optional-2/src/main/java/com/baeldung/optionaluses/User.java | core-java-modules/core-java-optional-2/src/main/java/com/baeldung/optionaluses/User.java | package com.baeldung.optionaluses;
public class User {
public User(String id, String name) {
this.id = id;
this.name = name;
}
private String id;
private String name;
public String getName() {
return name;
}
public String getId() {
return id;
}
}
| java | MIT | 4463e58ffb73fe599bac2479abd84598c6e70a1a | 2026-01-04T14:45:57.069771Z | false |
eugenp/tutorials | https://github.com/eugenp/tutorials/blob/4463e58ffb73fe599bac2479abd84598c6e70a1a/core-java-modules/core-java-optional-2/src/main/java/com/baeldung/optionaluses/UserRepositoryWithNull.java | core-java-modules/core-java-optional-2/src/main/java/com/baeldung/optionaluses/UserRepositoryWithNull.java | package com.baeldung.optionaluses;
import java.util.Arrays;
import java.util.List;
public class UserRepositoryWithNull {
private final List<User> dbUsers = Arrays.asList(new User("1", "John"), new User("2", "Maria"), new User("3", "Daniel"));
public User findById(String id) {
for (User u : dbUsers)... | java | MIT | 4463e58ffb73fe599bac2479abd84598c6e70a1a | 2026-01-04T14:45:57.069771Z | false |
eugenp/tutorials | https://github.com/eugenp/tutorials/blob/4463e58ffb73fe599bac2479abd84598c6e70a1a/core-java-modules/core-java-optional-2/src/main/java/com/baeldung/optionaluses/UserFoundException.java | core-java-modules/core-java-optional-2/src/main/java/com/baeldung/optionaluses/UserFoundException.java | package com.baeldung.optionaluses;
public class UserFoundException extends RuntimeException {
private static final long serialVersionUID = 1L;
public UserFoundException(String message) {
super(message);
}
}
| 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-multidimensional/src/test/java/com/baeldung/array/MultiDimensionalArrayUnitTest.java | core-java-modules/core-java-arrays-multidimensional/src/test/java/com/baeldung/array/MultiDimensionalArrayUnitTest.java | package com.baeldung.array;
import static org.junit.Assert.assertArrayEquals;
import static org.junit.Assert.assertEquals;
import java.io.ByteArrayInputStream;
import java.io.ByteArrayOutputStream;
import java.io.InputStream;
import java.io.PrintStream;
import org.junit.Test;
public class MultiDimensionalArrayUnitT... | 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-multidimensional/src/test/java/com/baeldung/array/reversearray/ReverseArrayElementsUnitTest.java | core-java-modules/core-java-arrays-multidimensional/src/test/java/com/baeldung/array/reversearray/ReverseArrayElementsUnitTest.java | package com.baeldung.array.reversearray;
import static com.baeldung.array.reversearray.ReverseArrayElements.toReversedList;
import static java.util.Arrays.asList;
import static org.assertj.core.api.AssertionsForClassTypes.assertThat;
import java.util.List;
import java.util.stream.Collectors;
import org.junit.jupiter... | 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-multidimensional/src/test/java/com/baeldung/array/looping/LoopDiagonallyUnitTest.java | core-java-modules/core-java-arrays-multidimensional/src/test/java/com/baeldung/array/looping/LoopDiagonallyUnitTest.java | package com.baeldung.array.looping;
import org.junit.Test;
import static org.junit.Assert.assertEquals;
public class LoopDiagonallyUnitTest {
@Test
public void twoArrayIsLoopedDiagonallyAsExpected() {
LoopDiagonally loopDiagonally = new LoopDiagonally();
String[][] twoDArray = {{"a", "b", "... | java | MIT | 4463e58ffb73fe599bac2479abd84598c6e70a1a | 2026-01-04T14:45:57.069771Z | false |
eugenp/tutorials | https://github.com/eugenp/tutorials/blob/4463e58ffb73fe599bac2479abd84598c6e70a1a/core-java-modules/core-java-arrays-multidimensional/src/test/java/com/baeldung/array/TransposeDoubleMatrixUnitTest/TransposeDoubleMatrixUnitTest.java | core-java-modules/core-java-arrays-multidimensional/src/test/java/com/baeldung/array/TransposeDoubleMatrixUnitTest/TransposeDoubleMatrixUnitTest.java | package com.baeldung.array.TransposeDoubleMatrixUnitTest;
import org.junit.jupiter.api.Test;
import static org.assertj.core.api.Assertions.assertThat;
import com.baeldung.array.TransposeDoubleMatrix.TransposeDoubleMatrix;
class TransposeDoubleMatrixUnitTest {
@Test
void givenMatrix_whenTranspose_thenReturns... | 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-multidimensional/src/test/java/com/baeldung/array/minmax/MinMax2DArrayUnitTest.java | core-java-modules/core-java-arrays-multidimensional/src/test/java/com/baeldung/array/minmax/MinMax2DArrayUnitTest.java | package com.baeldung.array.minmax;
import org.junit.Test;
import java.util.Arrays;
import java.util.IntSummaryStatistics;
import static org.junit.jupiter.api.Assertions.assertEquals;
public class MinMax2DArrayUnitTest {
@Test
public void givenArray2DWhenFindMinAndMaxUsingForLoopsThenCorrect() {
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-arrays-multidimensional/src/main/java/com/baeldung/array/MultiDimensionalArray.java | core-java-modules/core-java-arrays-multidimensional/src/main/java/com/baeldung/array/MultiDimensionalArray.java | package com.baeldung.array;
import java.util.Arrays;
import java.util.Scanner;
public class MultiDimensionalArray {
int[][] shortHandFormInitialization() {
int[][] multiDimensionalArray = { { 1, 2 }, { 3, 4, 5 }, { 6, 7, 8, 9 } };
return multiDimensionalArray;
}
int[][] declarationAndThe... | 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-multidimensional/src/main/java/com/baeldung/array/reversearray/ReverseArrayElements.java | core-java-modules/core-java-arrays-multidimensional/src/main/java/com/baeldung/array/reversearray/ReverseArrayElements.java | package com.baeldung.array.reversearray;
import java.util.ArrayDeque;
import java.util.ArrayList;
import java.util.Arrays;
import java.util.Collections;
import java.util.Deque;
import java.util.List;
import java.util.stream.Collector;
import java.util.stream.Collectors;
import java.util.stream.IntStream;
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-arrays-multidimensional/src/main/java/com/baeldung/array/looping/LoopDiagonally.java | core-java-modules/core-java-arrays-multidimensional/src/main/java/com/baeldung/array/looping/LoopDiagonally.java | package com.baeldung.array.looping;
public class LoopDiagonally {
public String loopDiagonally(String[][] twoDArray) {
int length = twoDArray.length;
int diagonalLines = (length + length) - 1;
int itemsInDiagonal = 0;
int midPoint = (diagonalLines / 2) + 1;
StringBuilder ... | 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-multidimensional/src/main/java/com/baeldung/array/TransposeDoubleMatrix/TransposeDoubleMatrix.java | core-java-modules/core-java-arrays-multidimensional/src/main/java/com/baeldung/array/TransposeDoubleMatrix/TransposeDoubleMatrix.java | package com.baeldung.array.TransposeDoubleMatrix;
import java.util.stream.IntStream;
import java.util.stream.Stream;
public class TransposeDoubleMatrix {
public static double[][] transpose(double[][] matrix) {
int rows = matrix.length;
int cols = matrix[0].length;
doub... | java | MIT | 4463e58ffb73fe599bac2479abd84598c6e70a1a | 2026-01-04T14:45:57.069771Z | false |
eugenp/tutorials | https://github.com/eugenp/tutorials/blob/4463e58ffb73fe599bac2479abd84598c6e70a1a/core-java-modules/core-java-strings/src/test/java/com/baeldung/multiline/MultiLineStringUnitTest.java | core-java-modules/core-java-strings/src/test/java/com/baeldung/multiline/MultiLineStringUnitTest.java | package com.baeldung.multiline;
import org.junit.Test;
import java.io.IOException;
import static org.junit.Assert.assertEquals;
public class MultiLineStringUnitTest {
@Test
public void whenCompareMultiLineStrings_thenTheyAreAllTheSame() throws IOException {
MultiLineString ms = new MultiLineSt... | java | MIT | 4463e58ffb73fe599bac2479abd84598c6e70a1a | 2026-01-04T14:45:57.069771Z | false |
eugenp/tutorials | https://github.com/eugenp/tutorials/blob/4463e58ffb73fe599bac2479abd84598c6e70a1a/core-java-modules/core-java-strings/src/test/java/com/baeldung/stringbuffer/HashCodeTest.java | core-java-modules/core-java-strings/src/test/java/com/baeldung/stringbuffer/HashCodeTest.java | package com.baeldung.stringbuffer;
import org.junit.Test;
import static org.assertj.core.api.Assertions.assertThat;
public class HashCodeTest {
String str = "Spring";
StringBuffer sBuf = new StringBuffer("Spring");
@Test
public void whenStringConcat_thenHashCodeChanges() {
HashCode hc = 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-strings/src/test/java/com/baeldung/stringbuffer/ComparePerformanceTest.java | core-java-modules/core-java-strings/src/test/java/com/baeldung/stringbuffer/ComparePerformanceTest.java | package com.baeldung.stringbuffer;
import org.junit.Test;
import static org.assertj.core.api.Assertions.assertThat;
public class ComparePerformanceTest {
ComparePerformance cp = new ComparePerformance();
@Test
public void whenStringConcatenated_thenResultAsExpected() {
assertThat(cp.benchmarkSt... | java | MIT | 4463e58ffb73fe599bac2479abd84598c6e70a1a | 2026-01-04T14:45:57.069771Z | false |
eugenp/tutorials | https://github.com/eugenp/tutorials/blob/4463e58ffb73fe599bac2479abd84598c6e70a1a/core-java-modules/core-java-strings/src/test/java/com/baeldung/interview/StringAnagramUnitTest.java | core-java-modules/core-java-strings/src/test/java/com/baeldung/interview/StringAnagramUnitTest.java | package com.baeldung.interview;
import org.junit.Test;
import java.util.Arrays;
import static org.assertj.core.api.Assertions.assertThat;
public class StringAnagramUnitTest {
public boolean isAnagram(String s1, String s2) {
if(s1.length() != s2.length())
return false;
ch... | java | MIT | 4463e58ffb73fe599bac2479abd84598c6e70a1a | 2026-01-04T14:45:57.069771Z | false |
eugenp/tutorials | https://github.com/eugenp/tutorials/blob/4463e58ffb73fe599bac2479abd84598c6e70a1a/core-java-modules/core-java-strings/src/test/java/com/baeldung/interview/StringReverseUnitTest.java | core-java-modules/core-java-strings/src/test/java/com/baeldung/interview/StringReverseUnitTest.java | package com.baeldung.interview;
import org.junit.Test;
import static org.junit.Assert.assertEquals;
public class StringReverseUnitTest {
@Test
public void whenUsingInbuildMethods_thenStringReversed() {
String reversed = new StringBuilder("baeldung").reverse().toString();
assertEquals("gnudlea... | java | MIT | 4463e58ffb73fe599bac2479abd84598c6e70a1a | 2026-01-04T14:45:57.069771Z | false |
eugenp/tutorials | https://github.com/eugenp/tutorials/blob/4463e58ffb73fe599bac2479abd84598c6e70a1a/core-java-modules/core-java-strings/src/test/java/com/baeldung/interview/StringJoinerUnitTest.java | core-java-modules/core-java-strings/src/test/java/com/baeldung/interview/StringJoinerUnitTest.java | package com.baeldung.interview;
import org.junit.Test;
import java.util.StringJoiner;
import static org.junit.Assert.assertEquals;
public class StringJoinerUnitTest {
@Test
public void whenUsingStringJoiner_thenStringsJoined() {
StringJoiner joiner = new StringJoiner(",", "[", "]");
joiner.a... | java | MIT | 4463e58ffb73fe599bac2479abd84598c6e70a1a | 2026-01-04T14:45:57.069771Z | false |
eugenp/tutorials | https://github.com/eugenp/tutorials/blob/4463e58ffb73fe599bac2479abd84598c6e70a1a/core-java-modules/core-java-strings/src/test/java/com/baeldung/interview/LocaleUnitTest.java | core-java-modules/core-java-strings/src/test/java/com/baeldung/interview/LocaleUnitTest.java | package com.baeldung.interview;
import org.junit.Test;
import java.math.BigDecimal;
import java.text.NumberFormat;
import java.util.Locale;
import static org.junit.Assert.assertEquals;
public class LocaleUnitTest {
@Test
public void whenUsingLocal_thenCorrectResultsForDifferentLocale() {
Locale usLo... | java | MIT | 4463e58ffb73fe599bac2479abd84598c6e70a1a | 2026-01-04T14:45:57.069771Z | false |
eugenp/tutorials | https://github.com/eugenp/tutorials/blob/4463e58ffb73fe599bac2479abd84598c6e70a1a/core-java-modules/core-java-strings/src/test/java/com/baeldung/interview/StringToByteArrayUnitTest.java | core-java-modules/core-java-strings/src/test/java/com/baeldung/interview/StringToByteArrayUnitTest.java | package com.baeldung.interview;
import org.junit.Test;
import java.io.UnsupportedEncodingException;
import java.nio.charset.StandardCharsets;
import static org.junit.Assert.assertArrayEquals;
public class StringToByteArrayUnitTest {
@Test
public void whenGetBytes_thenCorrect() throws UnsupportedEncodingExce... | java | MIT | 4463e58ffb73fe599bac2479abd84598c6e70a1a | 2026-01-04T14:45:57.069771Z | false |
eugenp/tutorials | https://github.com/eugenp/tutorials/blob/4463e58ffb73fe599bac2479abd84598c6e70a1a/core-java-modules/core-java-strings/src/test/java/com/baeldung/interview/StringCountOccurrencesUnitTest.java | core-java-modules/core-java-strings/src/test/java/com/baeldung/interview/StringCountOccurrencesUnitTest.java | package com.baeldung.interview;
import org.junit.Test;
import static org.junit.Assert.assertEquals;
public class StringCountOccurrencesUnitTest {
public int countOccurrences(String s, char c) {
int count = 0;
for (int i = 0; i < s.length(); i++) {
if (s.charAt(i) == 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-strings/src/test/java/com/baeldung/interview/StringToCharArrayUnitTest.java | core-java-modules/core-java-strings/src/test/java/com/baeldung/interview/StringToCharArrayUnitTest.java | package com.baeldung.interview;
import org.junit.Test;
import java.util.Arrays;
import static org.junit.Assert.assertEquals;
public class StringToCharArrayUnitTest {
@Test
public void whenConvertingStringToCharArray_thenConversionSuccessful() {
String beforeConvStr = "hello";
char[] afterCon... | java | MIT | 4463e58ffb73fe599bac2479abd84598c6e70a1a | 2026-01-04T14:45:57.069771Z | false |
eugenp/tutorials | https://github.com/eugenp/tutorials/blob/4463e58ffb73fe599bac2479abd84598c6e70a1a/core-java-modules/core-java-strings/src/test/java/com/baeldung/interview/StringInternUnitTest.java | core-java-modules/core-java-strings/src/test/java/com/baeldung/interview/StringInternUnitTest.java | package com.baeldung.interview;
import org.junit.Test;
import static org.assertj.core.api.Assertions.assertThat;
public class StringInternUnitTest {
@Test
public void whenCallingStringIntern_thenStringsInterned() {
String s1 = "Baeldung";
String s2 = new String("Baeldung");
String s3 ... | java | MIT | 4463e58ffb73fe599bac2479abd84598c6e70a1a | 2026-01-04T14:45:57.069771Z | false |
eugenp/tutorials | https://github.com/eugenp/tutorials/blob/4463e58ffb73fe599bac2479abd84598c6e70a1a/core-java-modules/core-java-strings/src/test/java/com/baeldung/interview/StringToIntegerUnitTest.java | core-java-modules/core-java-strings/src/test/java/com/baeldung/interview/StringToIntegerUnitTest.java | package com.baeldung.interview;
import org.junit.Test;
import static org.assertj.core.api.Assertions.assertThat;
public class StringToIntegerUnitTest {
@Test
public void givenString_whenParsingInt_shouldConvertToInt() {
String givenString = "42";
int result = Integer.parseInt(givenString);
... | java | MIT | 4463e58ffb73fe599bac2479abd84598c6e70a1a | 2026-01-04T14:45:57.069771Z | false |
eugenp/tutorials | https://github.com/eugenp/tutorials/blob/4463e58ffb73fe599bac2479abd84598c6e70a1a/core-java-modules/core-java-strings/src/test/java/com/baeldung/interview/StringSplitUnitTest.java | core-java-modules/core-java-strings/src/test/java/com/baeldung/interview/StringSplitUnitTest.java | package com.baeldung.interview;
import org.apache.commons.lang3.StringUtils;
import org.junit.Test;
import static org.junit.Assert.assertArrayEquals;
public class StringSplitUnitTest {
@Test
public void givenCoreJava_whenSplittingStrings_thenSplitted() {
String expected[] = {
"john",
... | java | MIT | 4463e58ffb73fe599bac2479abd84598c6e70a1a | 2026-01-04T14:45:57.069771Z | false |
eugenp/tutorials | https://github.com/eugenp/tutorials/blob/4463e58ffb73fe599bac2479abd84598c6e70a1a/core-java-modules/core-java-strings/src/test/java/com/baeldung/interview/StringFormatUnitTest.java | core-java-modules/core-java-strings/src/test/java/com/baeldung/interview/StringFormatUnitTest.java | package com.baeldung.interview;
import org.junit.Test;
import static org.junit.Assert.assertEquals;
public class StringFormatUnitTest {
@Test
public void givenString_whenUsingStringFormat_thenStringFormatted() {
String title = "Baeldung";
String formatted = String.format("Title is %s", title... | java | MIT | 4463e58ffb73fe599bac2479abd84598c6e70a1a | 2026-01-04T14:45:57.069771Z | false |
eugenp/tutorials | https://github.com/eugenp/tutorials/blob/4463e58ffb73fe599bac2479abd84598c6e70a1a/core-java-modules/core-java-strings/src/test/java/com/baeldung/interview/StringChangeCaseUnitTest.java | core-java-modules/core-java-strings/src/test/java/com/baeldung/interview/StringChangeCaseUnitTest.java | package com.baeldung.interview;
import org.junit.Test;
import static org.junit.Assert.assertEquals;
public class StringChangeCaseUnitTest {
@Test
public void givenString_whenChangingToUppercase_thenCaseChanged() {
String s = "Welcome to Baeldung!";
assertEquals("WELCOME TO BAELDUNG!", s.toUpp... | java | MIT | 4463e58ffb73fe599bac2479abd84598c6e70a1a | 2026-01-04T14:45:57.069771Z | false |
eugenp/tutorials | https://github.com/eugenp/tutorials/blob/4463e58ffb73fe599bac2479abd84598c6e70a1a/core-java-modules/core-java-strings/src/test/java/com/baeldung/interview/StringPalindromeUnitTest.java | core-java-modules/core-java-strings/src/test/java/com/baeldung/interview/StringPalindromeUnitTest.java | package com.baeldung.interview;
import org.junit.Test;
import static org.assertj.core.api.Assertions.assertThat;
public class StringPalindromeUnitTest {
public boolean isPalindrome(String text) {
int forward = 0;
int backward = text.length() - 1;
while (backward > forward) {
... | java | MIT | 4463e58ffb73fe599bac2479abd84598c6e70a1a | 2026-01-04T14:45:57.069771Z | false |
eugenp/tutorials | https://github.com/eugenp/tutorials/blob/4463e58ffb73fe599bac2479abd84598c6e70a1a/core-java-modules/core-java-strings/src/test/java/com/baeldung/stringtoolong/StringTooLongUnitTest.java | core-java-modules/core-java-strings/src/test/java/com/baeldung/stringtoolong/StringTooLongUnitTest.java | package com.baeldung.stringtoolong;
import static org.assertj.core.api.Assertions.assertThat;
import java.io.FileInputStream;
import java.io.IOException;
import java.io.InputStream;
import java.util.Properties;
import org.apache.commons.io.IOUtils;
import org.junit.Test;
public class StringTooLongUnitTest {
@Te... | java | MIT | 4463e58ffb73fe599bac2479abd84598c6e70a1a | 2026-01-04T14:45:57.069771Z | false |
eugenp/tutorials | https://github.com/eugenp/tutorials/blob/4463e58ffb73fe599bac2479abd84598c6e70a1a/core-java-modules/core-java-strings/src/test/java/com/baeldung/chararraypassword/PasswordStoreExamplesUnitTest.java | core-java-modules/core-java-strings/src/test/java/com/baeldung/chararraypassword/PasswordStoreExamplesUnitTest.java | package com.baeldung.chararraypassword;
import org.junit.Test;
import java.util.Arrays;
import static org.assertj.core.api.Assertions.assertThat;
public class PasswordStoreExamplesUnitTest {
String stringPassword = "password";
char[] charPassword = new char[]{'p', 'a', 's', 's', 'w', 'o', 'r', 'd'};
@Test
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-strings/src/test/java/com/baeldung/stringnotempty/StringNotEmptyUnitTest.java | core-java-modules/core-java-strings/src/test/java/com/baeldung/stringnotempty/StringNotEmptyUnitTest.java | package com.baeldung.stringnotempty;
import com.google.common.base.Strings;
import org.apache.commons.lang3.StringUtils;
import org.assertj.core.api.Assertions;
import org.junit.Test;
import static org.hamcrest.CoreMatchers.not;
import static org.hamcrest.text.IsEmptyString.isEmptyOrNullString;
import static org.hamc... | java | MIT | 4463e58ffb73fe599bac2479abd84598c6e70a1a | 2026-01-04T14:45:57.069771Z | false |
eugenp/tutorials | https://github.com/eugenp/tutorials/blob/4463e58ffb73fe599bac2479abd84598c6e70a1a/core-java-modules/core-java-strings/src/test/java/com/baeldung/stringIterator/StringIteratorTest.java | core-java-modules/core-java-strings/src/test/java/com/baeldung/stringIterator/StringIteratorTest.java | package com.baeldung.stringIterator;
import org.junit.jupiter.api.Test;
import static org.junit.jupiter.api.Assertions.*;
public class StringIteratorTest {
@Test
public void whenUseCharArrayMethod_thenIterate() {
String input = "Hello, Baeldung!";
String expectedOutput = "Hello, Baeldung!";... | java | MIT | 4463e58ffb73fe599bac2479abd84598c6e70a1a | 2026-01-04T14:45:57.069771Z | false |
eugenp/tutorials | https://github.com/eugenp/tutorials/blob/4463e58ffb73fe599bac2479abd84598c6e70a1a/core-java-modules/core-java-strings/src/test/java/com/baeldung/passstringbyreference/Dummy.java | core-java-modules/core-java-strings/src/test/java/com/baeldung/passstringbyreference/Dummy.java | package com.baeldung.passstringbyreference;
public class Dummy {
String dummyString;
public String getDummyString() {
return dummyString;
}
public void setDummyString(String dummyString) {
this.dummyString = dummyString;
}
}
| java | MIT | 4463e58ffb73fe599bac2479abd84598c6e70a1a | 2026-01-04T14:45:57.069771Z | false |
eugenp/tutorials | https://github.com/eugenp/tutorials/blob/4463e58ffb73fe599bac2479abd84598c6e70a1a/core-java-modules/core-java-strings/src/test/java/com/baeldung/passstringbyreference/PassStringUnitTest.java | core-java-modules/core-java-strings/src/test/java/com/baeldung/passstringbyreference/PassStringUnitTest.java | package com.baeldung.passstringbyreference;
import static org.junit.jupiter.api.Assertions.assertEquals;
import static org.junit.jupiter.api.Assertions.assertNull;
import org.junit.jupiter.api.Test;
class PassStringUnitTest {
@Test
void givenAString_whenPassedToVoidMethod_thenStringIsNotModified() {
... | java | MIT | 4463e58ffb73fe599bac2479abd84598c6e70a1a | 2026-01-04T14:45:57.069771Z | false |
eugenp/tutorials | https://github.com/eugenp/tutorials/blob/4463e58ffb73fe599bac2479abd84598c6e70a1a/core-java-modules/core-java-strings/src/main/java/com/baeldung/multiline/MultiLineString.java | core-java-modules/core-java-strings/src/main/java/com/baeldung/multiline/MultiLineString.java | package com.baeldung.multiline;
import com.google.common.base.Joiner;
import com.google.common.collect.ImmutableList;
import java.io.IOException;
import java.io.PrintWriter;
import java.io.StringWriter;
import java.nio.file.Files;
import java.nio.file.Paths;
public class MultiLineString {
String newLine = 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-strings/src/main/java/com/baeldung/stringbuffer/HashCode.java | core-java-modules/core-java-strings/src/main/java/com/baeldung/stringbuffer/HashCode.java | package com.baeldung.stringbuffer;
public class HashCode {
public static long getHashCodeString(String string) {
return string.hashCode();
}
public static long getHashCodeSBuffer(StringBuffer strBuff) {
return strBuff.hashCode();
}
public static void main(String[] args) {
... | java | MIT | 4463e58ffb73fe599bac2479abd84598c6e70a1a | 2026-01-04T14:45:57.069771Z | false |
eugenp/tutorials | https://github.com/eugenp/tutorials/blob/4463e58ffb73fe599bac2479abd84598c6e70a1a/core-java-modules/core-java-strings/src/main/java/com/baeldung/stringbuffer/ComparePerformance.java | core-java-modules/core-java-strings/src/main/java/com/baeldung/stringbuffer/ComparePerformance.java | package com.baeldung.stringbuffer;
import java.util.concurrent.TimeUnit;
import org.openjdk.jmh.annotations.Benchmark;
import org.openjdk.jmh.annotations.BenchmarkMode;
import org.openjdk.jmh.annotations.Measurement;
import org.openjdk.jmh.annotations.Mode;
import org.openjdk.jmh.annotations.OutputTimeUnit;
import or... | java | MIT | 4463e58ffb73fe599bac2479abd84598c6e70a1a | 2026-01-04T14:45:57.069771Z | false |
eugenp/tutorials | https://github.com/eugenp/tutorials/blob/4463e58ffb73fe599bac2479abd84598c6e70a1a/core-java-modules/core-java-strings/src/main/java/com/baeldung/stringperformance/StringPerformance.java | core-java-modules/core-java-strings/src/main/java/com/baeldung/stringperformance/StringPerformance.java | package com.baeldung.stringperformance;
import com.google.common.base.Splitter;
import org.apache.commons.lang3.StringUtils;
import org.openjdk.jmh.annotations.*;
import org.openjdk.jmh.runner.Runner;
import org.openjdk.jmh.runner.options.Options;
import org.openjdk.jmh.runner.options.OptionsBuilder;
import java.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-strings/src/main/java/com/baeldung/stringbuilder/ReuseStringBuilderPerformance.java | core-java-modules/core-java-strings/src/main/java/com/baeldung/stringbuilder/ReuseStringBuilderPerformance.java | package com.baeldung.stringbuilder;
import org.openjdk.jmh.annotations.*;
import org.openjdk.jmh.runner.Runner;
import org.openjdk.jmh.runner.options.Options;
import org.openjdk.jmh.runner.options.OptionsBuilder;
import java.util.concurrent.TimeUnit;
@BenchmarkMode(Mode.SingleShotTime)
@OutputTimeUnit(TimeUnit.MILLI... | java | MIT | 4463e58ffb73fe599bac2479abd84598c6e70a1a | 2026-01-04T14:45:57.069771Z | false |
eugenp/tutorials | https://github.com/eugenp/tutorials/blob/4463e58ffb73fe599bac2479abd84598c6e70a1a/core-java-modules/core-java-strings/src/main/java/com/baeldung/stringIterator/StringIterator.java | core-java-modules/core-java-strings/src/main/java/com/baeldung/stringIterator/StringIterator.java | package com.baeldung.stringIterator;
import java.text.*;
import java.util.*;
public class StringIterator {
public static String javaCharArray(String str){
StringBuilder result = new StringBuilder();
for (char c : str.toCharArray()) {
result.append(c);
}
return result... | java | MIT | 4463e58ffb73fe599bac2479abd84598c6e70a1a | 2026-01-04T14:45:57.069771Z | false |
eugenp/tutorials | https://github.com/eugenp/tutorials/blob/4463e58ffb73fe599bac2479abd84598c6e70a1a/core-java-modules/core-java-concurrency-advanced-2/src/test/java/com/baeldung/threadlocalrandom/ThreadLocalRandomIntegrationTest.java | core-java-modules/core-java-concurrency-advanced-2/src/test/java/com/baeldung/threadlocalrandom/ThreadLocalRandomIntegrationTest.java | package com.baeldung.threadlocalrandom;
import java.util.concurrent.ThreadLocalRandom;
import static org.junit.Assert.assertTrue;
import org.junit.Test;
public class ThreadLocalRandomIntegrationTest {
@Test
public void givenUsingThreadLocalRandom_whenGeneratingRandomIntBounded_thenCorrect() {
in... | 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-2/src/test/java/com/baeldung/concurrent/countdownlatch/CountdownLatchCountExampleUnitTest.java | core-java-modules/core-java-concurrency-advanced-2/src/test/java/com/baeldung/concurrent/countdownlatch/CountdownLatchCountExampleUnitTest.java | package com.baeldung.concurrent.countdownlatch;
import static org.junit.Assert.assertTrue;
import org.junit.Test;
public class CountdownLatchCountExampleUnitTest {
@Test
public void whenCountDownLatch_completed() {
CountdownLatchCountExample ex = new CountdownLatchCountExample(2);
boolean is... | 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-2/src/test/java/com/baeldung/concurrent/countdownlatch/CountdownLatchResetExampleManualTest.java | core-java-modules/core-java-concurrency-advanced-2/src/test/java/com/baeldung/concurrent/countdownlatch/CountdownLatchResetExampleManualTest.java | package com.baeldung.concurrent.countdownlatch;
import static org.junit.Assert.assertTrue;
import org.junit.Test;
public class CountdownLatchResetExampleManualTest {
@Test
public void whenCountDownLatch_noReset() {
CountdownLatchResetExample ex = new CountdownLatchResetExample(7,20);
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-concurrency-advanced-2/src/test/java/com/baeldung/concurrent/cyclicbarrier/CyclicBarrierResetExampleUnitTest.java | core-java-modules/core-java-concurrency-advanced-2/src/test/java/com/baeldung/concurrent/cyclicbarrier/CyclicBarrierResetExampleUnitTest.java | package com.baeldung.concurrent.cyclicbarrier;
import static org.junit.Assert.assertTrue;
import org.junit.Test;
public class CyclicBarrierResetExampleUnitTest {
@Test
public void whenCyclicBarrier_reset() {
CyclicBarrierResetExample ex = new CyclicBarrierResetExample(7,20);
int lineCoun... | 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-2/src/test/java/com/baeldung/concurrent/cyclicbarrier/CyclicBarrierCountExampleUnitTest.java | core-java-modules/core-java-concurrency-advanced-2/src/test/java/com/baeldung/concurrent/cyclicbarrier/CyclicBarrierCountExampleUnitTest.java | package com.baeldung.concurrent.cyclicbarrier;
import static org.junit.Assert.assertFalse;
import org.junit.Test;
public class CyclicBarrierCountExampleUnitTest {
@Test
public void whenCyclicBarrier_notCompleted() {
CyclicBarrierCountExample ex = new CyclicBarrierCountExample(2);
boolean isC... | 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-2/src/test/java/com/baeldung/concurrent/semaphores/SemaphoresManualTest.java | core-java-modules/core-java-concurrency-advanced-2/src/test/java/com/baeldung/concurrent/semaphores/SemaphoresManualTest.java | package com.baeldung.concurrent.semaphores;
import org.junit.Test;
import java.util.concurrent.ExecutorService;
import java.util.concurrent.Executors;
import java.util.concurrent.TimeUnit;
import java.util.stream.IntStream;
import static org.junit.Assert.assertEquals;
import static org.junit.Assert.assertFalse;
impo... | java | MIT | 4463e58ffb73fe599bac2479abd84598c6e70a1a | 2026-01-04T14:45:57.069771Z | false |
eugenp/tutorials | https://github.com/eugenp/tutorials/blob/4463e58ffb73fe599bac2479abd84598c6e70a1a/core-java-modules/core-java-concurrency-advanced-2/src/test/java/com/baeldung/concurrent/prioritytaskexecution/PriorityJobSchedulerManualTest.java | core-java-modules/core-java-concurrency-advanced-2/src/test/java/com/baeldung/concurrent/prioritytaskexecution/PriorityJobSchedulerManualTest.java | package com.baeldung.concurrent.prioritytaskexecution;
import org.junit.Test;
//Converted to ManualTest due to thread sleep
public class PriorityJobSchedulerManualTest {
private static final int POOL_SIZE = 1;
private static final int QUEUE_SIZE = 10;
@Test
public void whenMultiplePriorityJobsQueued_... | java | MIT | 4463e58ffb73fe599bac2479abd84598c6e70a1a | 2026-01-04T14:45:57.069771Z | false |
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