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-concurrency-basic-4/src/main/java/com/baeldung/concurrent/futurevscompletablefuturevsrxjava/ObjectHydrator.java | core-java-modules/core-java-concurrency-basic-4/src/main/java/com/baeldung/concurrent/futurevscompletablefuturevsrxjava/ObjectHydrator.java | package com.baeldung.concurrent.futurevscompletablefuturevsrxjava;
public class ObjectHydrator {
public TestObject hydrateTestObject(TestObject testObject){
testObject.setDataPointTwo(20);
return testObject;
}
}
| 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-basic-4/src/main/java/com/baeldung/concurrent/futurevscompletablefuturevsrxjava/TestObject.java | core-java-modules/core-java-concurrency-basic-4/src/main/java/com/baeldung/concurrent/futurevscompletablefuturevsrxjava/TestObject.java | package com.baeldung.concurrent.futurevscompletablefuturevsrxjava;
public class TestObject {
private int dataPointOne;
private int dataPointTwo;
public TestObject() {
dataPointOne = 10;
}
public int getDataPointOne() {
return dataPointOne;
}
public void setDataPointOne(i... | java | MIT | 4463e58ffb73fe599bac2479abd84598c6e70a1a | 2026-01-04T14:45:57.069771Z | false |
eugenp/tutorials | https://github.com/eugenp/tutorials/blob/4463e58ffb73fe599bac2479abd84598c6e70a1a/core-java-modules/core-java-concurrency-basic-4/src/main/java/com/baeldung/concurrent/futurevscompletablefuturevsrxjava/ObjectSupplier.java | core-java-modules/core-java-concurrency-basic-4/src/main/java/com/baeldung/concurrent/futurevscompletablefuturevsrxjava/ObjectSupplier.java | package com.baeldung.concurrent.futurevscompletablefuturevsrxjava;
import java.util.function.Supplier;
public class ObjectSupplier implements Supplier<TestObject> {
@Override
public TestObject get() {
return new TestObject();
}
}
| 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-basic-4/src/main/java/com/baeldung/concurrent/futurevscompletablefuturevsrxjava/ObjectCallable.java | core-java-modules/core-java-concurrency-basic-4/src/main/java/com/baeldung/concurrent/futurevscompletablefuturevsrxjava/ObjectCallable.java | package com.baeldung.concurrent.futurevscompletablefuturevsrxjava;
import java.util.concurrent.Callable;
public class ObjectCallable implements Callable<TestObject> {
@Override
public TestObject call() throws Exception {
return new TestObject();
}
}
| 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-basic-4/src/main/java/com/baeldung/concurrent/runnable/TaskRunner.java | core-java-modules/core-java-concurrency-basic-4/src/main/java/com/baeldung/concurrent/runnable/TaskRunner.java | package com.baeldung.concurrent.runnable;
import java.util.concurrent.ExecutorService;
import java.util.concurrent.Executors;
import java.util.concurrent.Future;
public class TaskRunner {
private static ExecutorService executorService;
public static void main(String[] args) {
executeTask();
}
... | 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-basic-4/src/main/java/com/baeldung/concurrent/runnable/EventLoggingTask.java | core-java-modules/core-java-concurrency-basic-4/src/main/java/com/baeldung/concurrent/runnable/EventLoggingTask.java | package com.baeldung.concurrent.runnable;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
public class EventLoggingTask implements Runnable{
private Logger logger = LoggerFactory.getLogger(EventLoggingTask.class);
@Override
public void run() {
String messge="Message read from the even... | 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-basic-4/src/main/java/com/baeldung/concurrent/volatilekeyword/TaskRunner.java | core-java-modules/core-java-concurrency-basic-4/src/main/java/com/baeldung/concurrent/volatilekeyword/TaskRunner.java | package com.baeldung.concurrent.volatilekeyword;
public class TaskRunner {
private static int number;
private volatile static boolean ready;
private static class Reader extends Thread {
@Override
public void run() {
while (!ready) {
Thread.yield();
... | 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-basic-4/src/main/java/com/baeldung/concurrent/volatilekeyword/SharedObject.java | core-java-modules/core-java-concurrency-basic-4/src/main/java/com/baeldung/concurrent/volatilekeyword/SharedObject.java | package com.baeldung.concurrent.volatilekeyword;
public class SharedObject {
private volatile int count=0;
void incrementCount(){
count++;
}
public int getCount(){
return count;
}
}
| 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-basic-4/src/main/java/com/baeldung/concurrent/getthreadbyname/ThreadFinder.java | core-java-modules/core-java-concurrency-basic-4/src/main/java/com/baeldung/concurrent/getthreadbyname/ThreadFinder.java | package com.baeldung.concurrent.getthreadbyname;
public class ThreadFinder {
public static Thread getThreadByName(String name) {
return Thread.getAllStackTraces()
.keySet()
.stream()
.filter(thread -> thread.getName().equals(name))
.findFirst()
.orElse(null); // Return null... | java | MIT | 4463e58ffb73fe599bac2479abd84598c6e70a1a | 2026-01-04T14:45:57.069771Z | false |
eugenp/tutorials | https://github.com/eugenp/tutorials/blob/4463e58ffb73fe599bac2479abd84598c6e70a1a/core-java-modules/core-java-date-operations/src/test/java/com/baeldung/datetime/ZonedDateTimeExtractYearMonthDayIntegerValuesUnitTest.java | core-java-modules/core-java-date-operations/src/test/java/com/baeldung/datetime/ZonedDateTimeExtractYearMonthDayIntegerValuesUnitTest.java | package com.baeldung.datetime;
import static org.hamcrest.CoreMatchers.is;
import static org.junit.Assert.assertThat;
import java.time.ZonedDateTime;
import org.junit.Test;
public class ZonedDateTimeExtractYearMonthDayIntegerValuesUnitTest {
ZonedDateTimeExtractYearMonthDayIntegerValues zonedDateTimeExtractYea... | 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/src/test/java/com/baeldung/datetime/TimeStampExtractYearMonthDayIntegerValuesUnitTest.java | core-java-modules/core-java-date-operations/src/test/java/com/baeldung/datetime/TimeStampExtractYearMonthDayIntegerValuesUnitTest.java | package com.baeldung.datetime;
import java.util.Calendar;
import java.util.Date;
import static org.junit.jupiter.api.Assertions.assertEquals;
import java.sql.Timestamp;
import java.text.ParseException;
import java.text.SimpleDateFormat;
import java.util.Calendar;
import org.junit.Before;
import org.junit.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-date-operations/src/test/java/com/baeldung/datetime/OffsetDateTimeExtractYearMonthDayIntegerValuesUnitTest.java | core-java-modules/core-java-date-operations/src/test/java/com/baeldung/datetime/OffsetDateTimeExtractYearMonthDayIntegerValuesUnitTest.java | package com.baeldung.datetime;
import static org.hamcrest.CoreMatchers.is;
import static org.junit.Assert.assertThat;
import java.time.OffsetDateTime;
import org.junit.Test;
public class OffsetDateTimeExtractYearMonthDayIntegerValuesUnitTest {
OffsetDateTimeExtractYearMonthDayIntegerValues offsetDateTimeExtrac... | 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/src/test/java/com/baeldung/datetime/LocalDateExtractYearMonthDayIntegerValuesUnitTest.java | core-java-modules/core-java-date-operations/src/test/java/com/baeldung/datetime/LocalDateExtractYearMonthDayIntegerValuesUnitTest.java | package com.baeldung.datetime;
import static org.hamcrest.CoreMatchers.is;
import static org.junit.Assert.assertThat;
import java.time.LocalDate;
import org.junit.Test;
public class LocalDateExtractYearMonthDayIntegerValuesUnitTest {
LocalDateExtractYearMonthDayIntegerValues localDateExtractYearMonthDayInteger... | 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/src/test/java/com/baeldung/datetime/LocalDateTimeExtractYearMonthDayIntegerValuesUnitTest.java | core-java-modules/core-java-date-operations/src/test/java/com/baeldung/datetime/LocalDateTimeExtractYearMonthDayIntegerValuesUnitTest.java | package com.baeldung.datetime;
import static org.hamcrest.CoreMatchers.is;
import static org.junit.Assert.assertThat;
import java.time.LocalDateTime;
import org.junit.Test;
public class LocalDateTimeExtractYearMonthDayIntegerValuesUnitTest {
LocalDateTimeExtractYearMonthDayIntegerValues localDateTimeExtractYea... | 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/src/test/java/com/baeldung/offsetdatetime/ConvertToOffsetDateTimeUnitTest.java | core-java-modules/core-java-date-operations/src/test/java/com/baeldung/offsetdatetime/ConvertToOffsetDateTimeUnitTest.java | package com.baeldung.offsetdatetime;
import static org.junit.Assert.assertEquals;
import static org.junit.Assert.assertTrue;
import java.time.OffsetDateTime;
import java.util.Date;
import java.util.TimeZone;
import org.junit.Test;
public class ConvertToOffsetDateTimeUnitTest {
@Test
public void whenDateIsN... | 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/src/test/java/com/baeldung/date/DateDiffUnitTest.java | core-java-modules/core-java-date-operations/src/test/java/com/baeldung/date/DateDiffUnitTest.java | package com.baeldung.date;
import org.joda.time.DateTime;
import org.joda.time.Weeks;
import org.joda.time.Days;
import org.joda.time.Minutes;
import org.junit.Test;
import java.text.ParseException;
import java.text.SimpleDateFormat;
import java.time.Duration;
import java.time.LocalDate;
import java.time.LocalDateTi... | 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/src/test/java/com/baeldung/date/DateWithoutTimeUnitTest.java | core-java-modules/core-java-date-operations/src/test/java/com/baeldung/date/DateWithoutTimeUnitTest.java | package com.baeldung.date;
import org.junit.Assert;
import org.junit.Test;
import java.text.ParseException;
import java.time.LocalDate;
import java.time.OffsetDateTime;
import java.util.Calendar;
import java.util.Date;
import static org.junit.Assert.assertEquals;
import static org.junit.Assert.assertNotEquals;
publ... | 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/src/test/java/com/baeldung/date/DayOfTheWeekUnitTest.java | core-java-modules/core-java-date-operations/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;
public class DayOfTheWeekUnitTest {
DayOfTheWeek dayOfTheWeek = new DayOfTheWeek();
@Test
public voi... | 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/src/test/java/com/baeldung/lastdaymonth/LastDayOfMonthUnitTest.java | core-java-modules/core-java-date-operations/src/test/java/com/baeldung/lastdaymonth/LastDayOfMonthUnitTest.java | package com.baeldung.lastdaymonth;
import static org.junit.jupiter.api.Assertions.assertEquals;
import java.time.LocalDate;
import java.time.YearMonth;
import org.junit.jupiter.api.Test;
class LastDayOfMonthUnitTest {
@Test
void givenMonth_whenUsingCalendar_thenReturnLastDay() {
assertEquals(31, La... | 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/src/test/java/com/baeldung/epochconversion/EpochToLocalDateUnitTest.java | core-java-modules/core-java-date-operations/src/test/java/com/baeldung/epochconversion/EpochToLocalDateUnitTest.java | package com.baeldung.epochconversion;
import static org.junit.jupiter.api.Assertions.assertEquals;
import java.time.Instant;
import java.time.LocalDate;
import java.time.LocalDateTime;
import java.time.ZoneId;
import org.junit.jupiter.api.Test;
public class EpochToLocalDateUnitTest {
@Test
void givenEpoch_... | 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/src/test/java/com/baeldung/epochconversion/LocalDateTimeToEpochUnitTest.java | core-java-modules/core-java-date-operations/src/test/java/com/baeldung/epochconversion/LocalDateTimeToEpochUnitTest.java | package com.baeldung.epochconversion;
import static org.junit.jupiter.api.Assertions.assertEquals;
import java.time.Instant;
import java.time.LocalDate;
import java.time.LocalDateTime;
import java.time.ZoneId;
import org.junit.jupiter.api.Test;
public class LocalDateTimeToEpochUnitTest {
@Test
void givenDa... | 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/src/test/java/com/baeldung/jodatime/JodaTimeUnitTest.java | core-java-modules/core-java-date-operations/src/test/java/com/baeldung/jodatime/JodaTimeUnitTest.java | package com.baeldung.jodatime;
import org.joda.time.*;
import org.joda.time.format.DateTimeFormat;
import org.joda.time.format.DateTimeFormatter;
import org.junit.Test;
import java.util.Date;
import java.util.TimeZone;
import static org.junit.Assert.*;
public class JodaTimeUnitTest {
@Test
public void 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/src/test/java/com/baeldung/jvmtimezone/ModifyDefaultTimezoneUnitTest.java | core-java-modules/core-java-date-operations/src/test/java/com/baeldung/jvmtimezone/ModifyDefaultTimezoneUnitTest.java | package com.baeldung.jvmtimezone;
import static org.junit.Assert.assertEquals;
import java.util.Calendar;
import java.util.TimeZone;
import org.junit.Test;
public class ModifyDefaultTimezoneUnitTest {
@Test
public void givenDefaultTimezoneSet_thenDateTimezoneIsCorrect() {
TimeZone.setDefault(TimeZo... | 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/src/test/java/com/baeldung/jvmtimezone/ModifyTimezonePropertyUnitTest.java | core-java-modules/core-java-date-operations/src/test/java/com/baeldung/jvmtimezone/ModifyTimezonePropertyUnitTest.java | package com.baeldung.jvmtimezone;
import static org.junit.Assert.assertEquals;
import java.util.Calendar;
import java.util.TimeZone;
import org.junit.After;
import org.junit.Before;
import org.junit.Test;
public class ModifyTimezonePropertyUnitTest {
@Before
public void setup() {
System.setProperty... | 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/src/main/java/com/baeldung/datetime/LocalDateExtractYearMonthDayIntegerValues.java | core-java-modules/core-java-date-operations/src/main/java/com/baeldung/datetime/LocalDateExtractYearMonthDayIntegerValues.java | package com.baeldung.datetime;
import java.time.LocalDate;
public class LocalDateExtractYearMonthDayIntegerValues {
int getYear(LocalDate localDate) {
return localDate.getYear();
}
int getMonth(LocalDate localDate) {
return localDate.getMonthValue();
}
int getDay(LocalDate local... | 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/src/main/java/com/baeldung/datetime/LocalDateTimeExtractYearMonthDayIntegerValues.java | core-java-modules/core-java-date-operations/src/main/java/com/baeldung/datetime/LocalDateTimeExtractYearMonthDayIntegerValues.java | package com.baeldung.datetime;
import java.time.LocalDateTime;
public class LocalDateTimeExtractYearMonthDayIntegerValues {
int getYear(LocalDateTime localDateTime) {
return localDateTime.getYear();
}
int getMonth(LocalDateTime localDateTime) {
return localDateTime.getMonthValue();
}... | 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/src/main/java/com/baeldung/datetime/OffsetDateTimeExtractYearMonthDayIntegerValues.java | core-java-modules/core-java-date-operations/src/main/java/com/baeldung/datetime/OffsetDateTimeExtractYearMonthDayIntegerValues.java | package com.baeldung.datetime;
import java.time.OffsetDateTime;
public class OffsetDateTimeExtractYearMonthDayIntegerValues {
int getYear(OffsetDateTime offsetDateTime) {
return offsetDateTime.getYear();
}
int getMonth(OffsetDateTime offsetDateTime) {
return offsetDateTime.getMonthValue(... | 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/src/main/java/com/baeldung/datetime/ZonedDateTimeExtractYearMonthDayIntegerValues.java | core-java-modules/core-java-date-operations/src/main/java/com/baeldung/datetime/ZonedDateTimeExtractYearMonthDayIntegerValues.java | package com.baeldung.datetime;
import java.time.ZonedDateTime;
public class ZonedDateTimeExtractYearMonthDayIntegerValues {
int getYear(ZonedDateTime zonedDateTime) {
return zonedDateTime.getYear();
}
int getMonth(ZonedDateTime zonedDateTime) {
return zonedDateTime.getMonthValue();
}... | 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/src/main/java/com/baeldung/offsetdatetime/ConvertToOffsetDateTime.java | core-java-modules/core-java-date-operations/src/main/java/com/baeldung/offsetdatetime/ConvertToOffsetDateTime.java | package com.baeldung.offsetdatetime;
import java.time.OffsetDateTime;
import java.time.ZoneOffset;
import java.util.Date;
public class ConvertToOffsetDateTime {
public static OffsetDateTime convert(Date date) {
return date.toInstant()
.atOffset(ZoneOffset.UTC);
}
public static Offset... | 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/src/main/java/com/baeldung/date/DateWithoutTime.java | core-java-modules/core-java-date-operations/src/main/java/com/baeldung/date/DateWithoutTime.java | package com.baeldung.date;
import java.text.ParseException;
import java.text.SimpleDateFormat;
import java.time.LocalDate;
import java.util.Calendar;
import java.util.Date;
public class DateWithoutTime {
public static Date getDateWithoutTimeUsingCalendar() {
Calendar calendar = Calendar.getInstance();
... | 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/src/main/java/com/baeldung/date/DayOfTheWeek.java | core-java-modules/core-java-date-operations/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/src/main/java/com/baeldung/lastdaymonth/LastDayOfMonth.java | core-java-modules/core-java-date-operations/src/main/java/com/baeldung/lastdaymonth/LastDayOfMonth.java | package com.baeldung.lastdaymonth;
import java.time.LocalDate;
import java.time.YearMonth;
import java.time.temporal.TemporalAdjusters;
import java.util.Calendar;
public class LastDayOfMonth {
static int getLastDayOfMonthUsingCalendar(int month) {
Calendar cal = Calendar.getInstance();
cal.set(Ca... | 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/src/main/java/com/baeldung/epochconversion/EpochToLocalDate.java | core-java-modules/core-java-date-operations/src/main/java/com/baeldung/epochconversion/EpochToLocalDate.java | package com.baeldung.epochconversion;
import java.time.Instant;
import java.time.LocalDate;
import java.time.LocalDateTime;
import java.time.ZoneId;
public class EpochToLocalDate {
public static void main(String[] args) {
long millisSinceEpoch = 2131242L;
ZoneId zoneId = ZoneId.of("Europe/Amsterd... | 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/src/main/java/com/baeldung/epochconversion/LocalDateToEpoch.java | core-java-modules/core-java-date-operations/src/main/java/com/baeldung/epochconversion/LocalDateToEpoch.java | package com.baeldung.epochconversion;
import java.time.LocalDate;
import java.time.LocalDateTime;
import java.time.ZoneId;
public class LocalDateToEpoch {
public static void main(String[] args) {
ZoneId zoneId = ZoneId.of("Europe/Amsterdam"); // or: ZoneId.systemDefault()
LocalDate date = LocalDa... | java | MIT | 4463e58ffb73fe599bac2479abd84598c6e70a1a | 2026-01-04T14:45:57.069771Z | false |
eugenp/tutorials | https://github.com/eugenp/tutorials/blob/4463e58ffb73fe599bac2479abd84598c6e70a1a/core-java-modules/core-java-char/src/test/java/com/baeldung/incrementchar/IncrementCharUnitTest.java | core-java-modules/core-java-char/src/test/java/com/baeldung/incrementchar/IncrementCharUnitTest.java | package com.baeldung.incrementchar;
import org.junit.jupiter.api.Assertions;
import org.junit.jupiter.api.Test;
import java.util.ArrayList;
import java.util.Arrays;
import java.util.List;
import java.util.stream.Collectors;
import java.util.stream.IntStream;
class IncrementCharUnitTest {
@Test
void whenUsing... | java | MIT | 4463e58ffb73fe599bac2479abd84598c6e70a1a | 2026-01-04T14:45:57.069771Z | false |
eugenp/tutorials | https://github.com/eugenp/tutorials/blob/4463e58ffb73fe599bac2479abd84598c6e70a1a/core-java-modules/core-java-char/src/test/java/com/baeldung/charandstring/DifferenceBetweenCharAndStringUnitTest.java | core-java-modules/core-java-char/src/test/java/com/baeldung/charandstring/DifferenceBetweenCharAndStringUnitTest.java | package com.baeldung.charandstring;
import static org.junit.jupiter.api.Assertions.assertArrayEquals;
import static org.junit.jupiter.api.Assertions.assertEquals;
import static org.junit.jupiter.api.Assertions.assertInstanceOf;
import org.junit.jupiter.api.Test;
public class DifferenceBetweenCharAndStringUnitTest {
... | java | MIT | 4463e58ffb73fe599bac2479abd84598c6e70a1a | 2026-01-04T14:45:57.069771Z | false |
eugenp/tutorials | https://github.com/eugenp/tutorials/blob/4463e58ffb73fe599bac2479abd84598c6e70a1a/core-java-modules/core-java-char/src/test/java/com/baeldung/unicodechar/UnicodeCharFromCodePointHexStringUnitTest.java | core-java-modules/core-java-char/src/test/java/com/baeldung/unicodechar/UnicodeCharFromCodePointHexStringUnitTest.java | package com.baeldung.unicodechar;
import org.junit.jupiter.api.Test;
import static org.junit.jupiter.api.Assertions.assertEquals;
public class UnicodeCharFromCodePointHexStringUnitTest {
private static final String U_CHECK = "✅"; // U+2705
private static final String U_STRONG = "强"; // U+5F3A
@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-char/src/test/java/com/baeldung/character/IsLetterOrAlphabetUnitTest.java | core-java-modules/core-java-char/src/test/java/com/baeldung/character/IsLetterOrAlphabetUnitTest.java | package com.baeldung.character;
import org.junit.Test;
import static org.junit.Assert.assertTrue;
import static org.junit.Assert.assertFalse;
public class IsLetterOrAlphabetUnitTest {
@Test
public void givenACharacter_whenUpperCaseLetter_thenAssertIsAlphabeticTrue() {
assertTrue(Character.isAlphabet... | java | MIT | 4463e58ffb73fe599bac2479abd84598c6e70a1a | 2026-01-04T14:45:57.069771Z | false |
eugenp/tutorials | https://github.com/eugenp/tutorials/blob/4463e58ffb73fe599bac2479abd84598c6e70a1a/core-java-modules/core-java-char/src/test/java/com/baeldung/character/CharacterGeneralCategoryTypeUnitTest.java | core-java-modules/core-java-char/src/test/java/com/baeldung/character/CharacterGeneralCategoryTypeUnitTest.java | package com.baeldung.character;
import org.junit.Test;
import static org.junit.Assert.assertTrue;
import static org.junit.Assert.assertEquals;
public class CharacterGeneralCategoryTypeUnitTest {
@Test
public void givenACharacter_whenUpperCaseLetter_thenAssertTrue() {
assertEquals(Character.UPPERCASE_... | 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-operations-advanced-2/src/test/java/com/baeldung/arrayconcat/ArrayConcatUtilUnitTest.java | core-java-modules/core-java-arrays-operations-advanced-2/src/test/java/com/baeldung/arrayconcat/ArrayConcatUtilUnitTest.java | package com.baeldung.arrayconcat;
import com.google.common.collect.ObjectArrays;
import com.google.common.primitives.Ints;
import org.apache.commons.lang3.ArrayUtils;
import org.junit.Test;
import static org.assertj.core.api.Assertions.assertThat;
import static org.assertj.core.api.Assertions.fail;
public class 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-arrays-operations-advanced-2/src/test/java/com/baeldung/arrayconcat/CombiningByteArraysUnitTest.java | core-java-modules/core-java-arrays-operations-advanced-2/src/test/java/com/baeldung/arrayconcat/CombiningByteArraysUnitTest.java | package com.baeldung.arrayconcat;
import org.junit.Before;
import org.junit.Test;
import static org.junit.Assert.assertArrayEquals;
public class CombiningByteArraysUnitTest {
CombiningByteArrays combiningByteArrays;
@Before
public void init() {
combiningByteArrays = new CombiningByteArrays();
... | 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-operations-advanced-2/src/test/java/com/baeldung/secondsmallest/FindSecondSmallestNumberUnitTest.java | core-java-modules/core-java-arrays-operations-advanced-2/src/test/java/com/baeldung/secondsmallest/FindSecondSmallestNumberUnitTest.java | package com.baeldung.secondsmallest;
import static org.junit.Assert.assertEquals;
import org.junit.jupiter.api.Test;
public class FindSecondSmallestNumberUnitTest {
@Test
public void givenAnArray_whenUsingSorting_thenReturnCorrectSecondSmallestNumber() {
assertEquals(4, FindSecondSmallestNumber.usin... | 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-operations-advanced-2/src/test/java/com/baeldung/equilibriumindex/EquilibriumIndexFinderUnitTest.java | core-java-modules/core-java-arrays-operations-advanced-2/src/test/java/com/baeldung/equilibriumindex/EquilibriumIndexFinderUnitTest.java | package com.baeldung.equilibriumindex;
import static org.assertj.core.api.Assertions.assertThat;
import org.junit.jupiter.api.Test;
class EquilibriumIndexFinderUnitTest {
@Test
void givenArrayHasEquilibriumIndexes_whenFindEquilibriumIndexes_thenListAllEquilibriumIndexes() {
int[] array = {1, -3,... | java | MIT | 4463e58ffb73fe599bac2479abd84598c6e70a1a | 2026-01-04T14:45:57.069771Z | false |
eugenp/tutorials | https://github.com/eugenp/tutorials/blob/4463e58ffb73fe599bac2479abd84598c6e70a1a/core-java-modules/core-java-arrays-operations-advanced-2/src/test/java/com/baeldung/arraymiddle/MiddleOfArrayUnitTest.java | core-java-modules/core-java-arrays-operations-advanced-2/src/test/java/com/baeldung/arraymiddle/MiddleOfArrayUnitTest.java | package com.baeldung.arraymiddle;
import org.junit.Assert;
import org.junit.Test;
public class MiddleOfArrayUnitTest {
@Test
public void givenArrayOfEvenLength_whenMiddleOfArray_thenReturn2Values() {
int[] array = new int[100];
for (int i = 0; i < array.length; i++) {
array[i] = 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-operations-advanced-2/src/test/java/com/baeldung/maxdifference/MaxDifferenceOptimizedUnitTest.java | core-java-modules/core-java-arrays-operations-advanced-2/src/test/java/com/baeldung/maxdifference/MaxDifferenceOptimizedUnitTest.java | package com.baeldung.maxdifference;
import static org.junit.Assert.assertArrayEquals;
import org.junit.jupiter.api.Test;
public class MaxDifferenceOptimizedUnitTest {
@Test
public void givenAnArray_whenUsingOptimizedOnePass_thenReturnCorrectMaxDifferenceInformation() {
int[] list = { 3, -10, 7, 1, 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-operations-advanced-2/src/test/java/com/baeldung/maxdifference/MaxDifferenceTreeSetUnitTest.java | core-java-modules/core-java-arrays-operations-advanced-2/src/test/java/com/baeldung/maxdifference/MaxDifferenceTreeSetUnitTest.java | package com.baeldung.maxdifference;
import static org.junit.Assert.assertArrayEquals;
import org.junit.jupiter.api.Test;
public class MaxDifferenceTreeSetUnitTest {
@Test
public void givenAnArray_whenUsingTreeSet_thenReturnCorrectMaxDifferenceInformation() {
int[] list = { 3, -10, 7, 1, 5, -3, 10, -... | 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-operations-advanced-2/src/test/java/com/baeldung/maxdifference/MaxDifferenceBruteForceUnitTest.java | core-java-modules/core-java-arrays-operations-advanced-2/src/test/java/com/baeldung/maxdifference/MaxDifferenceBruteForceUnitTest.java | package com.baeldung.maxdifference;
import static org.junit.Assert.assertArrayEquals;
import org.junit.jupiter.api.Test;
public class MaxDifferenceBruteForceUnitTest {
@Test
public void givenAnArray_whenUsingBruteForce_thenReturnCorrectMaxDifferenceInformation() {
int[] list = { 3, -10, 7, 1, 5, -3,... | java | MIT | 4463e58ffb73fe599bac2479abd84598c6e70a1a | 2026-01-04T14:45:57.069771Z | false |
eugenp/tutorials | https://github.com/eugenp/tutorials/blob/4463e58ffb73fe599bac2479abd84598c6e70a1a/core-java-modules/core-java-arrays-operations-advanced-2/src/test/java/com/baeldung/majorityelement/FindMajorityElementUnitTest.java | core-java-modules/core-java-arrays-operations-advanced-2/src/test/java/com/baeldung/majorityelement/FindMajorityElementUnitTest.java | package com.baeldung.majorityelement;
import static org.junit.jupiter.api.Assertions.assertEquals;
import org.junit.jupiter.api.Test;
public class FindMajorityElementUnitTest {
@Test
void givenArrayWithMajorityElement_WhenUsingForLoop_ThenReturnFound() {
int[] nums = { 2, 3, 2, 4, 2, 5, 2 };
... | 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-operations-advanced-2/src/test/java/com/baeldung/matrixtozero/SetMatrixToZeroUnitTest.java | core-java-modules/core-java-arrays-operations-advanced-2/src/test/java/com/baeldung/matrixtozero/SetMatrixToZeroUnitTest.java | package com.baeldung.matrixtozero;
import static org.junit.jupiter.api.Assertions.assertArrayEquals;
import org.junit.jupiter.api.Test;
public class SetMatrixToZeroUnitTest{
@Test
void givenMatrix_whenUsingSetZeroesByNaiveApproach_thenSetZeroes() {
int[][] matrix = {
{1, 2, 3},
... | java | MIT | 4463e58ffb73fe599bac2479abd84598c6e70a1a | 2026-01-04T14:45:57.069771Z | false |
eugenp/tutorials | https://github.com/eugenp/tutorials/blob/4463e58ffb73fe599bac2479abd84598c6e70a1a/core-java-modules/core-java-arrays-operations-advanced-2/src/test/java/com/baeldung/evenandodd/FindEvenAndOddUnitTest.java | core-java-modules/core-java-arrays-operations-advanced-2/src/test/java/com/baeldung/evenandodd/FindEvenAndOddUnitTest.java | package com.baeldung.evenandodd;
import org.junit.jupiter.api.Test;
import java.util.Arrays;
import java.util.List;
import static org.junit.jupiter.api.Assertions.assertEquals;
public class FindEvenAndOddUnitTest {
private static final int[] NUMBERS = new int[]{1, 2, 3, 4, 5, 6};
@Test
public void 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-operations-advanced-2/src/test/java/com/baeldung/closesttozero/BruteForceUnitTest.java | core-java-modules/core-java-arrays-operations-advanced-2/src/test/java/com/baeldung/closesttozero/BruteForceUnitTest.java | package com.baeldung.closesttozero;
import org.junit.jupiter.api.Test;
import java.util.Random;
import static org.junit.jupiter.api.Assertions.assertEquals;
import static org.junit.jupiter.api.Assertions.assertTrue;
class BruteForceUnitTest {
@Test
void whenFindingClosestToZeroWithBruteForce_thenResultShou... | 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-operations-advanced-2/src/test/java/com/baeldung/closesttozero/SortingAndBinarySearchUnitTest.java | core-java-modules/core-java-arrays-operations-advanced-2/src/test/java/com/baeldung/closesttozero/SortingAndBinarySearchUnitTest.java | package com.baeldung.closesttozero;
import org.junit.jupiter.api.Test;
import static org.junit.jupiter.api.Assertions.assertEquals;
class SortingAndBinarySearchUnitTest {
@Test
void whenFindingClosestToZeroWithBruteForce_thenResultShouldBeCorrect() throws IllegalAccessException {
int[] arr = {1, 60,... | 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-operations-advanced-2/src/test/java/com/baeldung/closesttozero/PriorityQueueTOZeroUnitTest.java | core-java-modules/core-java-arrays-operations-advanced-2/src/test/java/com/baeldung/closesttozero/PriorityQueueTOZeroUnitTest.java | package com.baeldung.closesttozero;
import org.junit.jupiter.api.Test;
import java.util.Random;
import static org.junit.jupiter.api.Assertions.assertEquals;
import static org.junit.jupiter.api.Assertions.assertTrue;
class PriorityQueueTOZeroUnitTest {
@Test
void whenFindingClosestToZeroWithBruteForce_thenRe... | 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-operations-advanced-2/src/test/java/com/baeldung/movezerototheend/MoveZeroesToTheEndOfAnArrayUnitTest.java | core-java-modules/core-java-arrays-operations-advanced-2/src/test/java/com/baeldung/movezerototheend/MoveZeroesToTheEndOfAnArrayUnitTest.java | package com.baeldung.movezerototheend;
import org.junit.jupiter.api.Test;
import java.util.Arrays;
import static org.junit.jupiter.api.Assertions.assertArrayEquals;
public class MoveZeroesToTheEndOfAnArrayUnitTest {
private static final int[] EXPECTED = new int[] { 42, 2, 3, 4, 0, 0 };
@Test
void whenC... | 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-operations-advanced-2/src/main/java/com/baeldung/arrayconcat/CombiningByteArrays.java | core-java-modules/core-java-arrays-operations-advanced-2/src/main/java/com/baeldung/arrayconcat/CombiningByteArrays.java | package com.baeldung.arrayconcat;
import com.google.common.primitives.Bytes;
import org.apache.commons.lang3.ArrayUtils;
import java.nio.ByteBuffer;
public class CombiningByteArrays {
public byte[] combineArraysUsingArrayCopy(byte[] first, byte[] second) {
byte[] combined = new byte[first.length + secon... | 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-operations-advanced-2/src/main/java/com/baeldung/arrayconcat/ArrayConcatUtil.java | core-java-modules/core-java-arrays-operations-advanced-2/src/main/java/com/baeldung/arrayconcat/ArrayConcatUtil.java | package com.baeldung.arrayconcat;
import java.lang.reflect.Array;
import java.util.ArrayList;
import java.util.Arrays;
import java.util.Collections;
import java.util.List;
import java.util.stream.IntStream;
import java.util.stream.Stream;
public class ArrayConcatUtil {
private ArrayConcatUtil() {}
static <T>... | 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-operations-advanced-2/src/main/java/com/baeldung/secondsmallest/FindSecondSmallestNumber.java | core-java-modules/core-java-arrays-operations-advanced-2/src/main/java/com/baeldung/secondsmallest/FindSecondSmallestNumber.java | package com.baeldung.secondsmallest;
import java.util.Arrays;
import java.util.PriorityQueue;
public class FindSecondSmallestNumber {
public static int usingArraySort(int[] arr) {
Arrays.sort(arr);
int smallest = arr[0];
for (int i = 1; i < arr.length; i++) {
if (arr[i] != sma... | 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-operations-advanced-2/src/main/java/com/baeldung/equilibriumindex/EquilibriumIndexFinder.java | core-java-modules/core-java-arrays-operations-advanced-2/src/main/java/com/baeldung/equilibriumindex/EquilibriumIndexFinder.java | package com.baeldung.equilibriumindex;
import java.util.ArrayList;
import java.util.List;
class EquilibriumIndexFinder {
List<Integer> findEquilibriumIndexes(int[] array) {
int[] partialSums = new int[array.length + 1];
partialSums[0] = 0;
for (int i = 0; i < array.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-operations-advanced-2/src/main/java/com/baeldung/arraymiddle/MiddleOfArray.java | core-java-modules/core-java-arrays-operations-advanced-2/src/main/java/com/baeldung/arraymiddle/MiddleOfArray.java | package com.baeldung.arraymiddle;
import java.util.Arrays;
import org.apache.commons.lang3.ObjectUtils;
public class MiddleOfArray {
int[] middleOfArray(int[] array) {
if (ObjectUtils.isEmpty(array) || array.length < 3)
return array;
int n = array.length;
int mid = n / 2;
... | 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-operations-advanced-2/src/main/java/com/baeldung/maxdifference/MaxDifferenceOptimized.java | core-java-modules/core-java-arrays-operations-advanced-2/src/main/java/com/baeldung/maxdifference/MaxDifferenceOptimized.java | package com.baeldung.maxdifference;
public class MaxDifferenceOptimized {
public static int[] findMaxDifferenceOptimized(int[] list) {
int minElement = list[0];
int maxElement = list[0];
int minIndex = 0;
int maxIndex = 0;
for (int i = 1; i < list.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-operations-advanced-2/src/main/java/com/baeldung/maxdifference/MaxDifferenceTreeSet.java | core-java-modules/core-java-arrays-operations-advanced-2/src/main/java/com/baeldung/maxdifference/MaxDifferenceTreeSet.java | package com.baeldung.maxdifference;
import java.util.TreeSet;
public class MaxDifferenceTreeSet {
public static int[] findMaxDifferenceTreeSet(int[] list) {
TreeSet<Integer> set = new TreeSet<>();
for (int num : list) {
set.add(num);
}
int minValue = set.first();
... | 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-operations-advanced-2/src/main/java/com/baeldung/maxdifference/MaxDifferenceBruteForce.java | core-java-modules/core-java-arrays-operations-advanced-2/src/main/java/com/baeldung/maxdifference/MaxDifferenceBruteForce.java | package com.baeldung.maxdifference;
public class MaxDifferenceBruteForce {
public static int[] findMaxDifferenceBruteForce(int[] list) {
int maxDifference = Integer.MIN_VALUE;
int minIndex = 0, maxIndex = 0;
for (int i = 0; i < list.length - 1; i++) {
for (int j = i + 1; j < l... | 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-operations-advanced-2/src/main/java/com/baeldung/majorityelement/FindMajorityElement.java | core-java-modules/core-java-arrays-operations-advanced-2/src/main/java/com/baeldung/majorityelement/FindMajorityElement.java | package com.baeldung.majorityelement;
import java.util.Arrays;
import java.util.HashMap;
import java.util.Map;
public class FindMajorityElement {
public static Integer findMajorityElementUsingForLoop(int[] nums) {
int majorityThreshold = nums.length / 2;
Integer majorityElement = null;
fo... | 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-operations-advanced-2/src/main/java/com/baeldung/matrixtozero/SetMatrixToZero.java | core-java-modules/core-java-arrays-operations-advanced-2/src/main/java/com/baeldung/matrixtozero/SetMatrixToZero.java | package com.baeldung.matrixtozero;
import java.util.*;
public class SetMatrixToZero{
static void setZeroesByNaiveApproach(int[][] matrix) {
int row = matrix.length;
int col = matrix[0].length;
int [][] result = new int[row][col];
for(int i = 0; i<row; i++){
for(int 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-operations-advanced-2/src/main/java/com/baeldung/evenandodd/FindEvenAndOdd.java | core-java-modules/core-java-arrays-operations-advanced-2/src/main/java/com/baeldung/evenandodd/FindEvenAndOdd.java | package com.baeldung.evenandodd;
import java.util.ArrayList;
import java.util.Arrays;
import java.util.List;
import java.util.stream.Collectors;
public class FindEvenAndOdd {
// Method to find Even numbers using loop
public static List<Integer> findEvenNumbersWithLoop(int[] numbers) {
List<Integer> e... | java | MIT | 4463e58ffb73fe599bac2479abd84598c6e70a1a | 2026-01-04T14:45:57.069771Z | false |
eugenp/tutorials | https://github.com/eugenp/tutorials/blob/4463e58ffb73fe599bac2479abd84598c6e70a1a/core-java-modules/core-java-arrays-operations-advanced-2/src/main/java/com/baeldung/closesttozero/PriorityQueueToZero.java | core-java-modules/core-java-arrays-operations-advanced-2/src/main/java/com/baeldung/closesttozero/PriorityQueueToZero.java | package com.baeldung.closesttozero;
import java.util.PriorityQueue;
public class PriorityQueueToZero {
public static int findClosestToZeroWithPriorityQueue(int[] arr, int k) {
if (arr == null || arr.length == 0 || k <= 0) {
throw new IllegalArgumentException("Invalid input");
}
... | java | MIT | 4463e58ffb73fe599bac2479abd84598c6e70a1a | 2026-01-04T14:45:57.069771Z | false |
eugenp/tutorials | https://github.com/eugenp/tutorials/blob/4463e58ffb73fe599bac2479abd84598c6e70a1a/core-java-modules/core-java-arrays-operations-advanced-2/src/main/java/com/baeldung/closesttozero/BruteForce.java | core-java-modules/core-java-arrays-operations-advanced-2/src/main/java/com/baeldung/closesttozero/BruteForce.java | package com.baeldung.closesttozero;
public class BruteForce {
public static int findClosestToZero(int[] nums)
throws IllegalAccessException {
if (nums == null || nums.length == 0) {
throw new IllegalAccessException(
"int array must not be null or empty");
}
... | 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-operations-advanced-2/src/main/java/com/baeldung/closesttozero/SortingAndBinarySearch.java | core-java-modules/core-java-arrays-operations-advanced-2/src/main/java/com/baeldung/closesttozero/SortingAndBinarySearch.java | package com.baeldung.closesttozero;
import java.util.Arrays;
public class SortingAndBinarySearch {
public static int findClosestToZero(int[] arr) {
if (arr == null || arr.length == 0) {
throw new IllegalArgumentException("Array must not be null or Empty");
}
Arrays.sort(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-lang-4/src/test/java/com/baeldung/constructorchaining/CustomerUnitTest.java | core-java-modules/core-java-lang-4/src/test/java/com/baeldung/constructorchaining/CustomerUnitTest.java | package com.baeldung.constructorchaining;
import org.junit.Test;
import static org.junit.jupiter.api.Assertions.assertEquals;
import static org.junit.jupiter.api.Assertions.assertNull;
public class CustomerUnitTest {
@Test
public void givenNameLastNameAndAge_whenUsingDedicatedConstructor_shouldInitializeFie... | 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-4/src/test/java/com/baeldung/constructorchaining/PersonUnitTest.java | core-java-modules/core-java-lang-4/src/test/java/com/baeldung/constructorchaining/PersonUnitTest.java | package com.baeldung.constructorchaining;
import org.junit.Test;
import static org.junit.jupiter.api.Assertions.assertEquals;
import static org.junit.jupiter.api.Assertions.assertNull;
public class PersonUnitTest {
@Test
public void givenNameLastNameAndAge_whenUsingDedicatedConstructor_shouldInitializeField... | 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-4/src/test/java/com/baeldung/implementsvsextends/model/AudioMediaUnitTest.java | core-java-modules/core-java-lang-4/src/test/java/com/baeldung/implementsvsextends/model/AudioMediaUnitTest.java | package com.baeldung.implementsvsextends.media.model;
import org.hamcrest.CoreMatchers;
import org.junit.Assert;
import org.junit.Test;
public class AudioMediaUnitTest {
@Test
public void givenAudioMediaInstance_whenCheckedType_thenIsInstanceOfMedia() {
AudioMedia audioMedia = new AudioMedia();
... | 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-4/src/test/java/com/baeldung/implementsvsextends/model/VideoMediaUnitTest.java | core-java-modules/core-java-lang-4/src/test/java/com/baeldung/implementsvsextends/model/VideoMediaUnitTest.java | package com.baeldung.implementsvsextends.media.model;
import org.hamcrest.CoreMatchers;
import org.junit.Assert;
import org.junit.Test;
public class VideoMediaUnitTest {
@Test
public void givenVideoMediaInstance_whenCheckedType_thenIsInstanceOfMedia() {
VideoMedia videoMedia = new VideoMedia();
... | 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-4/src/test/java/com/baeldung/implementsvsextends/player/impl/AudioMediaPlayerUnitTest.java | core-java-modules/core-java-lang-4/src/test/java/com/baeldung/implementsvsextends/player/impl/AudioMediaPlayerUnitTest.java | package com.baeldung.implementsvsextends.media.player.impl;
import org.junit.Assert;
import org.junit.jupiter.api.AfterEach;
import org.junit.jupiter.api.BeforeEach;
import org.junit.jupiter.api.Test;
import java.io.ByteArrayOutputStream;
import java.io.PrintStream;
public class AudioMediaPlayerUnitTest {
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-lang-4/src/test/java/com/baeldung/implementsvsextends/player/impl/MultiMediaPlayerUnitTest.java | core-java-modules/core-java-lang-4/src/test/java/com/baeldung/implementsvsextends/player/impl/MultiMediaPlayerUnitTest.java | package com.baeldung.implementsvsextends.media.player.impl;
import org.junit.Assert;
import org.junit.jupiter.api.AfterEach;
import org.junit.jupiter.api.BeforeEach;
import org.junit.jupiter.api.Test;
import java.io.ByteArrayOutputStream;
import java.io.PrintStream;
public class MultiMediaPlayerUnitTest {
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-lang-4/src/test/java/com/baeldung/implementsvsextends/player/impl/VideoMediaPlayerUnitTest.java | core-java-modules/core-java-lang-4/src/test/java/com/baeldung/implementsvsextends/player/impl/VideoMediaPlayerUnitTest.java | package com.baeldung.implementsvsextends.media.player.impl;
import org.junit.Assert;
import org.junit.jupiter.api.AfterEach;
import org.junit.jupiter.api.BeforeEach;
import org.junit.jupiter.api.Test;
import java.io.ByteArrayOutputStream;
import java.io.PrintStream;
public class VideoMediaPlayerUnitTest {
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-lang-4/src/main/java/com/baeldung/compiletimeconstants/RuntimeVariables.java | core-java-modules/core-java-lang-4/src/main/java/com/baeldung/compiletimeconstants/RuntimeVariables.java | package com.baeldung.compiletimeconstants;
import java.io.Console;
public class RuntimeVariables {
public static void main(String[] args) {
Console console = System.console();
final String input = console.readLine();
console.writer().println(input);
final double random = Math.ran... | 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-4/src/main/java/com/baeldung/compiletimeconstants/SwitchStatement.java | core-java-modules/core-java-lang-4/src/main/java/com/baeldung/compiletimeconstants/SwitchStatement.java | package com.baeldung.compiletimeconstants;
public class SwitchStatement {
private static final String VALUE_ONE = "value-one";
public static void main(String[] args) {
final String valueTwo = "value" + "-" + "two";
switch (args[0]) {
case VALUE_ONE:
break;
... | 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-4/src/main/java/com/baeldung/compiletimeconstants/CompileTimeVariables.java | core-java-modules/core-java-lang-4/src/main/java/com/baeldung/compiletimeconstants/CompileTimeVariables.java | package com.baeldung.compiletimeconstants;
import java.io.PrintWriter;
public class CompileTimeVariables {
public final String errorMessage = ClassConstants.DEFAULT_USERNAME + " not allowed here.";
public final int maximumLoginAttempts = 5;
public static void main(String[] args) {
PrintWriter pr... | java | MIT | 4463e58ffb73fe599bac2479abd84598c6e70a1a | 2026-01-04T14:45:57.069771Z | false |
eugenp/tutorials | https://github.com/eugenp/tutorials/blob/4463e58ffb73fe599bac2479abd84598c6e70a1a/core-java-modules/core-java-lang-4/src/main/java/com/baeldung/compiletimeconstants/ClassConstants.java | core-java-modules/core-java-lang-4/src/main/java/com/baeldung/compiletimeconstants/ClassConstants.java | package com.baeldung.compiletimeconstants;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import java.util.Arrays;
import java.util.List;
public class ClassConstants {
public static final int MAXIMUM_NUMBER_OF_USERS = 10;
public static final String DEFAULT_USERNAME = "unknown";
public static ... | java | MIT | 4463e58ffb73fe599bac2479abd84598c6e70a1a | 2026-01-04T14:45:57.069771Z | false |
eugenp/tutorials | https://github.com/eugenp/tutorials/blob/4463e58ffb73fe599bac2479abd84598c6e70a1a/core-java-modules/core-java-lang-4/src/main/java/com/baeldung/compiletimeconstants/Annotations.java | core-java-modules/core-java-lang-4/src/main/java/com/baeldung/compiletimeconstants/Annotations.java | package com.baeldung.compiletimeconstants;
public class Annotations {
private final String deprecatedDate = "20-02-14";
private final String deprecatedTime = "22:00";
//@Deprecated(since = deprecatedDate + " " + deprecatedTime) //TODO: Required JDK 9+
public void deprecatedMethod() {}
}
| 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-4/src/main/java/com/baeldung/bookstore/Book.java | core-java-modules/core-java-lang-4/src/main/java/com/baeldung/bookstore/Book.java | // The next line is commented out to avoid the code to fail the build.
// package com.baeldung;
/**
* If the below package declaration is commented out and the above incorrect package
* declaration is uncommented, then the problem will replicate.
*/
package com.baeldung.bookstore;
public class Book {
private 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-lang-4/src/main/java/com/baeldung/bookstore/LibraryAdmin.java | core-java-modules/core-java-lang-4/src/main/java/com/baeldung/bookstore/LibraryAdmin.java | package com.baeldung.bookstore;
import java.util.Random;
public class LibraryAdmin {
public Book createBook(String title, String author) {
final long isbn = new Random().nextLong();
return new Book(title, author, isbn);
}
} | 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-4/src/main/java/com/baeldung/javadocmemberreference/Animal.java | core-java-modules/core-java-lang-4/src/main/java/com/baeldung/javadocmemberreference/Animal.java | package com.baeldung.javadocmemberreference;
public class Animal {
public void run() {
}
public void run(String direction) {
}
}
| 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-4/src/main/java/com/baeldung/javadocmemberreference/Person.java | core-java-modules/core-java-lang-4/src/main/java/com/baeldung/javadocmemberreference/Person.java | package com.baeldung.javadocmemberreference;
import com.baeldung.vehicle.Car;
public class Person {
Person() {
}
/**
* Also, check the {@link #move() Move} method for more movement details.
*/
public void walk() {
}
/**
* Check this {@link #move(String) Move} method for dir... | 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-4/src/main/java/com/baeldung/vehicle/Vehicle.java | core-java-modules/core-java-lang-4/src/main/java/com/baeldung/vehicle/Vehicle.java | package com.baeldung.vehicle;
public class Vehicle {
public Vehicle() {
}
}
| 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-4/src/main/java/com/baeldung/vehicle/Car.java | core-java-modules/core-java-lang-4/src/main/java/com/baeldung/vehicle/Car.java | package com.baeldung.vehicle;
public class Car {
public Car() {
}
public static int getNumberOfSeats() {
int availableSeats = 0;
// available seats calculation logic
return availableSeats;
}
}
| 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-4/src/main/java/com/baeldung/constructorchaining/Person.java | core-java-modules/core-java-lang-4/src/main/java/com/baeldung/constructorchaining/Person.java | package com.baeldung.constructorchaining;
import java.util.Objects;
public class Person {
private final String firstName;
private final String middleName;
private final String lastName;
private final int age;
public Person(String firstName, String lastName, int age) {
this(firstName, null... | java | MIT | 4463e58ffb73fe599bac2479abd84598c6e70a1a | 2026-01-04T14:45:57.069771Z | false |
eugenp/tutorials | https://github.com/eugenp/tutorials/blob/4463e58ffb73fe599bac2479abd84598c6e70a1a/core-java-modules/core-java-lang-4/src/main/java/com/baeldung/constructorchaining/Customer.java | core-java-modules/core-java-lang-4/src/main/java/com/baeldung/constructorchaining/Customer.java | package com.baeldung.constructorchaining;
import java.util.Objects;
public class Customer extends Person {
private final String loyaltyCardId;
public Customer(String firstName, String lastName, int age, String loyaltyCardId) {
this(firstName, null, lastName, age, loyaltyCardId);
}
public Cus... | 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-4/src/main/java/com/baeldung/implementsvsextends/Main.java | core-java-modules/core-java-lang-4/src/main/java/com/baeldung/implementsvsextends/Main.java | package com.baeldung.implementsvsextends;
import com.baeldung.implementsvsextends.media.model.AudioMedia;
import com.baeldung.implementsvsextends.media.model.Media;
import com.baeldung.implementsvsextends.media.model.VideoMedia;
import com.baeldung.implementsvsextends.media.player.impl.AudioMediaPlayer;
import com.bae... | 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-4/src/main/java/com/baeldung/implementsvsextends/media/model/VideoMedia.java | core-java-modules/core-java-lang-4/src/main/java/com/baeldung/implementsvsextends/media/model/VideoMedia.java | package com.baeldung.implementsvsextends.media.model;
public class VideoMedia extends Media {
private String resolution;
private String aspectRatio;
public String getResolution() {
return resolution;
}
public void setResolution(String resolution) {
this.resolution = resolution;
... | 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-4/src/main/java/com/baeldung/implementsvsextends/media/model/AudioMedia.java | core-java-modules/core-java-lang-4/src/main/java/com/baeldung/implementsvsextends/media/model/AudioMedia.java | package com.baeldung.implementsvsextends.media.model;
public class AudioMedia extends Media {
private int bitrate;
private String frequency;
@Override
public void printTitle() {
System.out.println("AudioMedia Title");
}
public int getBitrate() {
return bitrate;
}
pu... | java | MIT | 4463e58ffb73fe599bac2479abd84598c6e70a1a | 2026-01-04T14:45:57.069771Z | false |
eugenp/tutorials | https://github.com/eugenp/tutorials/blob/4463e58ffb73fe599bac2479abd84598c6e70a1a/core-java-modules/core-java-lang-4/src/main/java/com/baeldung/implementsvsextends/media/model/Media.java | core-java-modules/core-java-lang-4/src/main/java/com/baeldung/implementsvsextends/media/model/Media.java | package com.baeldung.implementsvsextends.media.model;
public class Media {
private int id;
private String title;
private String artist;
public void printTitle() {
System.out.println("Media Title");
}
public int getId() {
return id;
}
public void setId(int id) {
... | java | MIT | 4463e58ffb73fe599bac2479abd84598c6e70a1a | 2026-01-04T14:45:57.069771Z | false |
eugenp/tutorials | https://github.com/eugenp/tutorials/blob/4463e58ffb73fe599bac2479abd84598c6e70a1a/core-java-modules/core-java-lang-4/src/main/java/com/baeldung/implementsvsextends/media/player/AdvancedPlayerOptions.java | core-java-modules/core-java-lang-4/src/main/java/com/baeldung/implementsvsextends/media/player/AdvancedPlayerOptions.java | package com.baeldung.implementsvsextends.media.player;
public interface AdvancedPlayerOptions {
void seek();
void fastForward();
}
| 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-4/src/main/java/com/baeldung/implementsvsextends/media/player/MediaPlayer.java | core-java-modules/core-java-lang-4/src/main/java/com/baeldung/implementsvsextends/media/player/MediaPlayer.java | package com.baeldung.implementsvsextends.media.player;
public interface MediaPlayer {
void play();
void pause();
} | 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-4/src/main/java/com/baeldung/implementsvsextends/media/player/impl/AudioMediaPlayer.java | core-java-modules/core-java-lang-4/src/main/java/com/baeldung/implementsvsextends/media/player/impl/AudioMediaPlayer.java | package com.baeldung.implementsvsextends.media.player.impl;
import com.baeldung.implementsvsextends.media.player.MediaPlayer;
public class AudioMediaPlayer implements MediaPlayer {
@Override
public void play() {
System.out.println("AudioMediaPlayer is Playing");
}
@Override
public void 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-lang-4/src/main/java/com/baeldung/implementsvsextends/media/player/impl/VideoMediaPlayer.java | core-java-modules/core-java-lang-4/src/main/java/com/baeldung/implementsvsextends/media/player/impl/VideoMediaPlayer.java | package com.baeldung.implementsvsextends.media.player.impl;
import com.baeldung.implementsvsextends.media.player.MediaPlayer;
public class VideoMediaPlayer implements MediaPlayer {
@Override
public void play() {
System.out.println("VideoMediaPlayer is Playing");
}
@Override
public void 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-lang-4/src/main/java/com/baeldung/implementsvsextends/media/player/impl/CustomMediaPlayer.java | core-java-modules/core-java-lang-4/src/main/java/com/baeldung/implementsvsextends/media/player/impl/CustomMediaPlayer.java | package com.baeldung.implementsvsextends.media.player.impl;
import com.baeldung.implementsvsextends.media.model.Media;
import com.baeldung.implementsvsextends.media.player.MediaPlayer;
public class CustomMediaPlayer extends Media implements MediaPlayer {
@Override
public void play() {
System.out.prin... | 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-4/src/main/java/com/baeldung/implementsvsextends/media/player/impl/MultiMediaPlayer.java | core-java-modules/core-java-lang-4/src/main/java/com/baeldung/implementsvsextends/media/player/impl/MultiMediaPlayer.java | package com.baeldung.implementsvsextends.media.player.impl;
import com.baeldung.implementsvsextends.media.player.AdvancedPlayerOptions;
import com.baeldung.implementsvsextends.media.player.MediaPlayer;
public class MultiMediaPlayer implements MediaPlayer, AdvancedPlayerOptions {
@Override
public void play() ... | 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-4/src/main/java/com/baeldung/tieredcompilation/TieredCompilation.java | core-java-modules/core-java-lang-4/src/main/java/com/baeldung/tieredcompilation/TieredCompilation.java | package com.baeldung.tieredcompilation;
public class TieredCompilation {
public static void main(String[] args) throws Exception {
for (int i = 0; i < 1_000_000; i++) {
Formatter formatter;
if (i < 500_000) {
formatter = new JsonFormatter();
} else {
... | 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-4/src/main/java/com/baeldung/tieredcompilation/XmlFormatter.java | core-java-modules/core-java-lang-4/src/main/java/com/baeldung/tieredcompilation/XmlFormatter.java | package com.baeldung.tieredcompilation;
import com.fasterxml.jackson.core.JsonProcessingException;
import com.fasterxml.jackson.dataformat.xml.XmlMapper;
public class XmlFormatter implements Formatter {
private static final XmlMapper mapper = new XmlMapper();
@Override
public <T> String format(T object)... | java | MIT | 4463e58ffb73fe599bac2479abd84598c6e70a1a | 2026-01-04T14:45:57.069771Z | false |
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