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Merge branch 'eugenp:master' into master

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This commit is contained in:
Ashish Gupta
2021-08-24 16:22:08 +05:30
committed by GitHub
parent 7caefe62b7 8f6869a4b7
commit 031f6df8b0
142 changed files with 12263 additions and 2521 deletions
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core-java-modules/core-java-16/pom.xml
+45 -40
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@@ -1,48 +1,53 @@
<?xml version="1.0" encoding="UTF-8"?>
<project xmlns="http://maven.apache.org/POM/4.0.0"
xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
<modelVersion>4.0.0</modelVersion>
<artifactId>core-java-16</artifactId>
<version>0.1.0-SNAPSHOT</version>
<name>core-java-16</name>
<packaging>jar</packaging>
<url>http://maven.apache.org</url>
xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
<modelVersion>4.0.0</modelVersion>
<artifactId>core-java-16</artifactId>
<version>0.1.0-SNAPSHOT</version>
<name>core-java-16</name>
<packaging>jar</packaging>
<url>http://maven.apache.org</url>
<parent>
<groupId>com.baeldung</groupId>
<artifactId>parent-modules</artifactId>
<version>1.0.0-SNAPSHOT</version>
<relativePath>../../</relativePath>
</parent>
<parent>
<groupId>com.baeldung</groupId>
<artifactId>parent-modules</artifactId>
<version>1.0.0-SNAPSHOT</version>
<relativePath>../../</relativePath>
</parent>
<dependencies>
<dependency>
<groupId>org.assertj</groupId>
<artifactId>assertj-core</artifactId>
<version>${assertj.version}</version>
<scope>test</scope>
</dependency>
</dependencies>
<dependencies>
<dependency>
<groupId>org.assertj</groupId>
<artifactId>assertj-core</artifactId>
<version>${assertj.version}</version>
<scope>test</scope>
</dependency>
<dependency>
<groupId>org.apache.commons</groupId>
<artifactId>commons-lang3</artifactId>
<version>3.12.0</version>
</dependency>
</dependencies>
<build>
<plugins>
<plugin>
<groupId>org.apache.maven.plugins</groupId>
<artifactId>maven-compiler-plugin</artifactId>
<version>${maven-compiler-plugin.version}</version>
<configuration>
<source>${maven.compiler.source.version}</source>
<target>${maven.compiler.target.version}</target>
</configuration>
</plugin>
</plugins>
</build>
<build>
<plugins>
<plugin>
<groupId>org.apache.maven.plugins</groupId>
<artifactId>maven-compiler-plugin</artifactId>
<version>${maven-compiler-plugin.version}</version>
<configuration>
<source>${maven.compiler.source.version}</source>
<target>${maven.compiler.target.version}</target>
</configuration>
</plugin>
</plugins>
</build>
<properties>
<maven.compiler.source.version>16</maven.compiler.source.version>
<maven.compiler.target.version>16</maven.compiler.target.version>
<assertj.version>3.6.1</assertj.version>
</properties>
<properties>
<maven.compiler.source.version>16</maven.compiler.source.version>
<maven.compiler.target.version>16</maven.compiler.target.version>
<assertj.version>3.6.1</assertj.version>
</properties>
</project>
core-java-modules/core-java-16/src/main/java/com/baeldung/java_16_features/groupingby/BlogPost.java
+43
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@@ -0,0 +1,43 @@
package com.baeldung.java_16_features.groupingby;
import java.util.IntSummaryStatistics;
public class BlogPost {
private String title;
private String author;
private BlogPostType type;
private int likes;
record AuthPostTypesLikes(String author, BlogPostType type, int likes) {};
record PostcountTitlesLikesStats(long postCount, String titles, IntSummaryStatistics likesStats){};
record TitlesBoundedSumOfLikes(String titles, int boundedSumOfLikes) {};
public BlogPost(String title, String author, BlogPostType type, int likes) {
this.title = title;
this.author = author;
this.type = type;
this.likes = likes;
}
public String getTitle() {
return title;
}
public String getAuthor() {
return author;
}
public BlogPostType getType() {
return type;
}
public int getLikes() {
return likes;
}
@Override
public String toString() {
return "BlogPost{" + "title='" + title + '\'' + ", type=" + type + ", likes=" + likes + '}';
}
}
core-java-modules/core-java-16/src/main/java/com/baeldung/java_16_features/groupingby/BlogPostType.java
+5
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@@ -0,0 +1,5 @@
package com.baeldung.java_16_features.groupingby;
public enum BlogPostType {
NEWS, REVIEW, GUIDE
}
core-java-modules/core-java-16/src/main/java/com/baeldung/java_16_features/groupingby/Tuple.java
+41
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@@ -0,0 +1,41 @@
package com.baeldung.java_16_features.groupingby;
import java.util.Objects;
public class Tuple {
private final BlogPostType type;
private final String author;
public Tuple(BlogPostType type, String author) {
this.type = type;
this.author = author;
}
public BlogPostType getType() {
return type;
}
public String getAuthor() {
return author;
}
@Override
public boolean equals(Object o) {
if (this == o)
return true;
if (o == null || getClass() != o.getClass())
return false;
Tuple tuple = (Tuple) o;
return type == tuple.type && author.equals(tuple.author);
}
@Override
public int hashCode() {
return Objects.hash(type, author);
}
@Override
public String toString() {
return "Tuple{" + "type=" + type + ", author='" + author + '\'' + '}';
}
}
core-java-modules/core-java-16/src/test/java/com/baeldung/java_16_features/groupingby/JavaGroupingByCollectorUnitTest.java
+302
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core-java-modules/core-java-concurrency-basic-2/src/main/java/com/baeldung/concurrent/stopexecution/StopExecution.java
+2 -33
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@@ -189,21 +189,8 @@ public class StopExecution {
longRunningSort();
}
private void longRunningOperation() {
LOG.info("long Running operation started");
try {
//Thread.sleep(500);
longFileRead();
LOG.info("long running operation finished");
} catch (InterruptedException e) {
LOG.info("long Running operation interrupted");
}
}
private void longRunningSort() {
LOG.info("long Running task started");
// Do you long running calculation here
LOG.info("Long running task started");
int len = 100000;
List<Integer> numbers = new ArrayList<>();
try {
@@ -229,25 +216,7 @@ public class StopExecution {
LOG.info("Index position: " + i);
LOG.info("Long running task finished");
} catch (InterruptedException e) {
LOG.info("long Running operation interrupted");
}
}
private void longFileRead() throws InterruptedException {
String file = "input.txt";
ClassLoader classloader = getClass().getClassLoader();
try (InputStream inputStream = classloader.getResourceAsStream(file)) {
Reader inputStreamReader = new InputStreamReader(inputStream);
int data = inputStreamReader.read();
while (data != -1) {
char theChar = (char) data;
data = inputStreamReader.read();
throwExceptionOnThreadInterrupt();
}
} catch (IOException e) {
LOG.error("Exception: ", e);
LOG.info("Long running operation interrupted");
}
}
core-java-modules/core-java-date-operations-1/src/main/java/com/baeldung/java9/time/TimeApi.java
+14 -6
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@@ -13,12 +13,9 @@ import java.util.stream.IntStream;
public class TimeApi {
public static List<Date> getDatesBetweenUsingJava7(Date startDate, Date endDate) {
List<Date> datesInRange = new ArrayList<Date>();
Calendar calendar = new GregorianCalendar();
calendar.setTime(startDate);
Calendar endCalendar = new GregorianCalendar();
endCalendar.setTime(endDate);
List<Date> datesInRange = new ArrayList<>();
Calendar calendar = getCalendarWithoutTime(startDate);
Calendar endCalendar = getCalendarWithoutTime(endDate);
while (calendar.before(endCalendar)) {
Date result = calendar.getTime();
@@ -40,4 +37,15 @@ public class TimeApi {
return startDate.datesUntil(endDate).collect(Collectors.toList());
}
private static Calendar getCalendarWithoutTime(Date date) {
Calendar calendar = new GregorianCalendar();
calendar.setTime(date);
calendar.set(Calendar.HOUR, 0);
calendar.set(Calendar.HOUR_OF_DAY, 0);
calendar.set(Calendar.MINUTE, 0);
calendar.set(Calendar.SECOND, 0);
calendar.set(Calendar.MILLISECOND, 0);
return calendar;
}
}
core-java-modules/core-java-date-operations-1/src/test/java/com/baeldung/java9/time/TimeApiUnitTest.java
+22 -17
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@@ -1,12 +1,13 @@
package com.baeldung.java9.time;
import org.junit.Test;
import java.time.LocalDate;
import java.util.Calendar;
import java.util.Date;
import java.util.List;
import static org.junit.Assert.assertEquals;
import org.junit.Test;
import static org.assertj.core.api.Assertions.assertThat;
public class TimeApiUnitTest {
@@ -18,19 +19,18 @@ public class TimeApiUnitTest {
Date endDate = endCalendar.getTime();
List<Date> dates = TimeApi.getDatesBetweenUsingJava7(startDate, endDate);
assertEquals(dates.size(), 2);
assertThat(dates).hasSize(2);
Calendar calendar = Calendar.getInstance();
Date date1 = calendar.getTime();
assertEquals(dates.get(0).getDay(), date1.getDay());
assertEquals(dates.get(0).getMonth(), date1.getMonth());
assertEquals(dates.get(0).getYear(), date1.getYear());
Date expectedDate1 = calendar.getTime();
assertThat(dates.get(0)).isInSameDayAs(expectedDate1);
assertThatTimeFieldsAreZero(dates.get(0));
calendar.add(Calendar.DATE, 1);
Date date2 = calendar.getTime();
assertEquals(dates.get(1).getDay(), date2.getDay());
assertEquals(dates.get(1).getMonth(), date2.getMonth());
assertEquals(dates.get(1).getYear(), date2.getYear());
Date expectedDate2 = calendar.getTime();
assertThat(dates.get(1)).isInSameDayAs(expectedDate2);
assertThatTimeFieldsAreZero(dates.get(1));
}
@Test
@@ -39,9 +39,8 @@ public class TimeApiUnitTest {
LocalDate endDate = LocalDate.now().plusDays(2);
List<LocalDate> dates = TimeApi.getDatesBetweenUsingJava8(startDate, endDate);
assertEquals(dates.size(), 2);
assertEquals(dates.get(0), LocalDate.now());
assertEquals(dates.get(1), LocalDate.now().plusDays(1));
assertThat(dates).containsExactly(LocalDate.now(), LocalDate.now().plusDays(1));
}
@Test
@@ -50,9 +49,15 @@ public class TimeApiUnitTest {
LocalDate endDate = LocalDate.now().plusDays(2);
List<LocalDate> dates = TimeApi.getDatesBetweenUsingJava9(startDate, endDate);
assertEquals(dates.size(), 2);
assertEquals(dates.get(0), LocalDate.now());
assertEquals(dates.get(1), LocalDate.now().plusDays(1));
assertThat(dates).containsExactly(LocalDate.now(), LocalDate.now().plusDays(1));
}
private static void assertThatTimeFieldsAreZero(Date date) {
assertThat(date).hasHourOfDay(0);
assertThat(date).hasMinute(0);
assertThat(date).hasSecond(0);
assertThat(date).hasMillisecond(0);
}
}
core-java-modules/core-java-lang-oop-constructors/README.md
+1
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@@ -7,3 +7,4 @@ This module contains article about constructors in Java
- [Java Copy Constructor](https://www.baeldung.com/java-copy-constructor)
- [Cannot Reference “X” Before Supertype Constructor Has Been Called](https://www.baeldung.com/java-cannot-reference-x-before-supertype-constructor-error)
- [Private Constructors in Java](https://www.baeldung.com/java-private-constructors)
- [Throwing Exceptions in Constructors](https://www.baeldung.com/java-constructors-exceptions)
core-java-modules/core-java-os/src/test/java/com/baeldung/grep/GrepWithUnix4JIntegrationTest.java
+6 -6
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@@ -25,9 +25,9 @@ public class GrepWithUnix4JIntegrationTest {
@Test
public void whenGrepWithSimpleString_thenCorrect() {
int expectedLineCount = 4;
int expectedLineCount = 5;
// grep "NINETEEN" dictionary.txt
// grep "NINETEEN" dictionary.in
List<Line> lines = Unix4j.grep("NINETEEN", fileToGrep).toLineList();
assertEquals(expectedLineCount, lines.size());
@@ -35,9 +35,9 @@ public class GrepWithUnix4JIntegrationTest {
@Test
public void whenInverseGrepWithSimpleString_thenCorrect() {
int expectedLineCount = 178687;
int expectedLineCount = 8;
// grep -v "NINETEEN" dictionary.txt
// grep -v "NINETEEN" dictionary.in
List<Line> lines = grep(Options.v, "NINETEEN", fileToGrep).toLineList();
assertEquals(expectedLineCount, lines.size());
@@ -45,9 +45,9 @@ public class GrepWithUnix4JIntegrationTest {
@Test
public void whenGrepWithRegex_thenCorrect() {
int expectedLineCount = 151;
int expectedLineCount = 5;
// grep -c ".*?NINE.*?" dictionary.txt
// grep -c ".*?NINE.*?" dictionary.in
String patternCount = grep(Options.c, ".*?NINE.*?", fileToGrep).cut(fields, ":", 1).toStringResult();
assertEquals(expectedLineCount, Integer.parseInt(patternCount));
core-java-modules/core-java-os/src/test/resources/dictionary.in
+13
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@@ -0,0 +1,13 @@
EIGHTTEEN
EIGHTTEENS
EIGHTTEENTH
EIGHTTEENTHS
NINETEEN
NINETEENS
NINETEENTH
NINETEENTHS
TWENTY
TWENTHIES
TWENTHIETH
TWENTHIETHS
TWENTYNINETEEN
core-java-modules/core-java-string-operations-3/README.md
+1
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@@ -4,3 +4,4 @@
- [Java (String) or .toString()?](https://www.baeldung.com/java-string-casting-vs-tostring)
- [Split Java String by Newline](https://www.baeldung.com/java-string-split-by-newline)
- [Split a String in Java and Keep the Delimiters](https://www.baeldung.com/java-split-string-keep-delimiters)
- [Validate String as Filename in Java](https://www.baeldung.com/java-validate-filename)