Merge pull request 'Java 8 文档内容和版本更新' (#25) from java-8 into main
Reviewed-on: #25
This commit is contained in:
commit
45197b3db5
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@ -0,0 +1,16 @@
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<?xml version="1.0" encoding="UTF-8"?>
|
||||
<project version="4">
|
||||
<component name="CheckStyle-IDEA" serialisationVersion="2">
|
||||
<checkstyleVersion>10.14.2</checkstyleVersion>
|
||||
<scanScope>JavaOnly</scanScope>
|
||||
<copyLibs>true</copyLibs>
|
||||
<option name="thirdPartyClasspath" />
|
||||
<option name="activeLocationIds" />
|
||||
<option name="locations">
|
||||
<list>
|
||||
<ConfigurationLocation id="bundled-sun-checks" type="BUNDLED" scope="All" description="Sun Checks">(bundled)</ConfigurationLocation>
|
||||
<ConfigurationLocation id="bundled-google-checks" type="BUNDLED" scope="All" description="Google Checks">(bundled)</ConfigurationLocation>
|
||||
</list>
|
||||
</option>
|
||||
</component>
|
||||
</project>
|
||||
|
|
@ -20,6 +20,7 @@
|
|||
<module name="core-java-lambdas" />
|
||||
<module name="junit-5-basics" />
|
||||
<module name="activejdbc" />
|
||||
<module name="spring-data-jpa-repo" />
|
||||
<module name="codebank" />
|
||||
<module name="core-java-collections-list" />
|
||||
<module name="image-compressing" />
|
||||
|
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@ -42,6 +43,7 @@
|
|||
<module name="core-java-11-2" target="11" />
|
||||
<module name="core-java-8-2" target="11" />
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||||
<module name="core-java-collections-list-3" target="11" />
|
||||
<module name="spring-data-jpa-repo-2" target="17" />
|
||||
</bytecodeTargetLevel>
|
||||
</component>
|
||||
<component name="JavacSettings">
|
||||
|
|
|
|||
|
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@ -61,6 +61,8 @@
|
|||
<file url="file://$PROJECT_DIR$/persistence-modules/activejdbc/src/main/resources" charset="UTF-8" />
|
||||
<file url="file://$PROJECT_DIR$/persistence-modules/spring-data-jpa-repo-2/src/main/java" charset="UTF-8" />
|
||||
<file url="file://$PROJECT_DIR$/persistence-modules/spring-data-jpa-repo-2/src/main/resources" charset="UTF-8" />
|
||||
<file url="file://$PROJECT_DIR$/persistence-modules/spring-data-jpa-repo/src/main/java" charset="UTF-8" />
|
||||
<file url="file://$PROJECT_DIR$/persistence-modules/spring-data-jpa-repo/src/main/resources" charset="UTF-8" />
|
||||
<file url="file://$PROJECT_DIR$/persistence-modules/spring-data-redis/src/main/java" charset="UTF-8" />
|
||||
<file url="file://$PROJECT_DIR$/persistence-modules/spring-data-redis/src/main/resources" charset="UTF-8" />
|
||||
<file url="file://$PROJECT_DIR$/persistence-modules/src/main/java" charset="UTF-8" />
|
||||
|
|
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|||
|
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@ -20,7 +20,7 @@
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<dependency>
|
||||
<groupId>com.google.guava</groupId>
|
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<artifactId>guava</artifactId>
|
||||
<version>${version.guava}</version>
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<version>${guava.version}</version>
|
||||
</dependency>
|
||||
<dependency>
|
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<groupId>org.openjdk.jmh</groupId>
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||||
|
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|
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|
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@ -1,73 +0,0 @@
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package com.baeldung.game;
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|
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import java.util.*;
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||||
|
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class RockPaperScissorsGame {
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|
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enum Move {
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ROCK("rock"),
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PAPER("paper"),
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||||
SCISSORS("scissors");
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|
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private String value;
|
||||
|
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Move(String value) {
|
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this.value = value;
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||||
}
|
||||
|
||||
public String getValue() {
|
||||
return value;
|
||||
}
|
||||
}
|
||||
|
||||
public static void main(String[] args) {
|
||||
Scanner scanner = new Scanner(System.in);
|
||||
int wins = 0;
|
||||
int losses = 0;
|
||||
|
||||
System.out.println("Welcome to Rock-Paper-Scissors! Please enter \"rock\", \"paper\", \"scissors\", or \"quit\" to exit.");
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||||
|
||||
while (true) {
|
||||
System.out.println("-------------------------");
|
||||
System.out.print("Enter your move: ");
|
||||
String playerMove = scanner.nextLine();
|
||||
|
||||
if (playerMove.equals("quit")) {
|
||||
System.out.println("You won " + wins + " times and lost " + losses + " times.");
|
||||
System.out.println("Thanks for playing! See you again.");
|
||||
break;
|
||||
}
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||||
|
||||
if (Arrays.stream(Move.values()).noneMatch(x -> x.getValue().equals(playerMove))) {
|
||||
System.out.println("Your move isn't valid!");
|
||||
continue;
|
||||
}
|
||||
|
||||
String computerMove = getComputerMove();
|
||||
|
||||
if (playerMove.equals(computerMove)) {
|
||||
System.out.println("It's a tie!");
|
||||
} else if (isPlayerWin(playerMove, computerMove)) {
|
||||
System.out.println("You won!");
|
||||
wins++;
|
||||
} else {
|
||||
System.out.println("You lost!");
|
||||
losses++;
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
private static boolean isPlayerWin(String playerMove, String computerMove) {
|
||||
return playerMove.equals(Move.ROCK.value) && computerMove.equals(Move.SCISSORS.value)
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||||
|| (playerMove.equals(Move.SCISSORS.value) && computerMove.equals(Move.PAPER.value))
|
||||
|| (playerMove.equals(Move.PAPER.value) && computerMove.equals(Move.ROCK.value));
|
||||
}
|
||||
|
||||
private static String getComputerMove() {
|
||||
Random random = new Random();
|
||||
int randomNumber = random.nextInt(3);
|
||||
String computerMove = Move.values()[randomNumber].getValue();
|
||||
System.out.println("Computer move: " + computerMove);
|
||||
return computerMove;
|
||||
}
|
||||
}
|
||||
|
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@ -1,14 +0,0 @@
|
|||
package com.baeldung.interfaceVsAbstractClass;
|
||||
|
||||
public class ChidlCircleInterfaceImpl implements CircleInterface {
|
||||
private String color;
|
||||
|
||||
@Override
|
||||
public String getColor() {
|
||||
return color;
|
||||
}
|
||||
|
||||
public void setColor(String color) {
|
||||
this.color = color;
|
||||
}
|
||||
}
|
||||
|
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@ -1,5 +0,0 @@
|
|||
package com.baeldung.interfaceVsAbstractClass;
|
||||
|
||||
public class ChildCircleClass extends CircleClass {
|
||||
|
||||
}
|
||||
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@ -1,23 +0,0 @@
|
|||
package com.baeldung.interfaceVsAbstractClass;
|
||||
|
||||
import java.util.Arrays;
|
||||
import java.util.List;
|
||||
|
||||
public abstract class CircleClass {
|
||||
|
||||
private String color;
|
||||
private List<String> allowedColors = Arrays.asList("RED", "GREEN", "BLUE");
|
||||
|
||||
public boolean isValid() {
|
||||
return allowedColors.contains(getColor());
|
||||
}
|
||||
|
||||
public String getColor() {
|
||||
return color;
|
||||
}
|
||||
|
||||
public void setColor(String color) {
|
||||
this.color = color;
|
||||
}
|
||||
|
||||
}
|
||||
|
|
@ -1,14 +0,0 @@
|
|||
package com.baeldung.interfaceVsAbstractClass;
|
||||
|
||||
import java.util.Arrays;
|
||||
import java.util.List;
|
||||
|
||||
public interface CircleInterface {
|
||||
List<String> allowedColors = Arrays.asList("RED", "GREEN", "BLUE");
|
||||
|
||||
String getColor();
|
||||
|
||||
public default boolean isValid() {
|
||||
return allowedColors.contains(getColor());
|
||||
}
|
||||
}
|
||||
|
|
@ -1,18 +0,0 @@
|
|||
package com.baeldung.jarArguments;
|
||||
|
||||
public class JarExample {
|
||||
|
||||
public static void main(String[] args) {
|
||||
System.out.println("Hello Baeldung Reader in JarExample!");
|
||||
|
||||
if(args == null) {
|
||||
System.out.println("You have not provided any arguments!");
|
||||
}else {
|
||||
System.out.println("There are "+args.length+" argument(s)!");
|
||||
for(int i=0; i<args.length; i++) {
|
||||
System.out.println("Argument("+(i+1)+"):" + args[i]);
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
}
|
||||
|
|
@ -1,21 +0,0 @@
|
|||
package com.baeldung.localization;
|
||||
|
||||
import java.text.ParseException;
|
||||
import java.util.Arrays;
|
||||
import java.util.List;
|
||||
import java.util.Locale;
|
||||
|
||||
public class App {
|
||||
|
||||
/**
|
||||
* Runs all available formatter
|
||||
* @throws ParseException
|
||||
*/
|
||||
public static void main(String[] args) {
|
||||
List<Locale> locales = Arrays.asList(new Locale[] { Locale.UK, Locale.ITALY, Locale.FRANCE, Locale.forLanguageTag("pl-PL") });
|
||||
Localization.run(locales);
|
||||
JavaSEFormat.run(locales);
|
||||
ICUFormat.run(locales);
|
||||
}
|
||||
|
||||
}
|
||||
|
|
@ -1,29 +0,0 @@
|
|||
package com.baeldung.localization;
|
||||
|
||||
import java.util.List;
|
||||
import java.util.Locale;
|
||||
import java.util.ResourceBundle;
|
||||
|
||||
import com.ibm.icu.text.MessageFormat;
|
||||
|
||||
public class ICUFormat {
|
||||
|
||||
public static String getLabel(Locale locale, Object[] data) {
|
||||
ResourceBundle bundle = ResourceBundle.getBundle("formats", locale);
|
||||
String format = bundle.getString("label-icu");
|
||||
MessageFormat formatter = new MessageFormat(format, locale);
|
||||
return formatter.format(data);
|
||||
}
|
||||
|
||||
public static void run(List<Locale> locales) {
|
||||
System.out.println("ICU formatter");
|
||||
locales.forEach(locale -> System.out.println(getLabel(locale, new Object[] { "Alice", "female", 0 })));
|
||||
locales.forEach(locale -> System.out.println(getLabel(locale, new Object[] { "Alice", "female", 1 })));
|
||||
locales.forEach(locale -> System.out.println(getLabel(locale, new Object[] { "Alice", "female", 2 })));
|
||||
locales.forEach(locale -> System.out.println(getLabel(locale, new Object[] { "Alice", "female", 3 })));
|
||||
locales.forEach(locale -> System.out.println(getLabel(locale, new Object[] { "Bob", "male", 0 })));
|
||||
locales.forEach(locale -> System.out.println(getLabel(locale, new Object[] { "Bob", "male", 1 })));
|
||||
locales.forEach(locale -> System.out.println(getLabel(locale, new Object[] { "Bob", "male", 2 })));
|
||||
locales.forEach(locale -> System.out.println(getLabel(locale, new Object[] { "Bob", "male", 3 })));
|
||||
}
|
||||
}
|
||||
|
|
@ -1,24 +0,0 @@
|
|||
package com.baeldung.localization;
|
||||
|
||||
import java.text.MessageFormat;
|
||||
import java.util.Date;
|
||||
import java.util.List;
|
||||
import java.util.Locale;
|
||||
import java.util.ResourceBundle;
|
||||
|
||||
public class JavaSEFormat {
|
||||
|
||||
public static String getLabel(Locale locale, Object[] data) {
|
||||
ResourceBundle bundle = ResourceBundle.getBundle("formats", locale);
|
||||
final String pattern = bundle.getString("label");
|
||||
final MessageFormat formatter = new MessageFormat(pattern, locale);
|
||||
return formatter.format(data);
|
||||
}
|
||||
|
||||
public static void run(List<Locale> locales) {
|
||||
System.out.println("Java formatter");
|
||||
final Date date = new Date(System.currentTimeMillis());
|
||||
locales.forEach(locale -> System.out.println(getLabel(locale, new Object[] { date, "Alice", 0 })));
|
||||
locales.forEach(locale -> System.out.println(getLabel(locale, new Object[] { date, "Alice", 2 })));
|
||||
}
|
||||
}
|
||||
|
|
@ -1,18 +0,0 @@
|
|||
package com.baeldung.localization;
|
||||
|
||||
import java.util.List;
|
||||
import java.util.Locale;
|
||||
import java.util.ResourceBundle;
|
||||
|
||||
public class Localization {
|
||||
|
||||
public static String getLabel(Locale locale) {
|
||||
final ResourceBundle bundle = ResourceBundle.getBundle("messages", locale);
|
||||
return bundle.getString("label");
|
||||
}
|
||||
|
||||
public static void run(List<Locale> locales) {
|
||||
locales.forEach(locale -> System.out.println(getLabel(locale)));
|
||||
}
|
||||
|
||||
}
|
||||
|
|
@ -1,46 +0,0 @@
|
|||
package com.baeldung.stream;
|
||||
|
||||
import java.util.List;
|
||||
import java.util.stream.Collectors;
|
||||
import java.util.stream.Stream;
|
||||
|
||||
public class SkipLimitComparison {
|
||||
|
||||
public static void main(String[] args) {
|
||||
skipExample();
|
||||
limitExample();
|
||||
limitInfiniteStreamExample();
|
||||
getEvenNumbers(10, 10).stream()
|
||||
.forEach(System.out::println);
|
||||
}
|
||||
|
||||
public static void skipExample() {
|
||||
Stream.of(1, 2, 3, 4, 5, 6, 7, 8, 9, 10)
|
||||
.filter(i -> i % 2 == 0)
|
||||
.skip(2)
|
||||
.forEach(i -> System.out.print(i + " "));
|
||||
}
|
||||
|
||||
public static void limitExample() {
|
||||
Stream.of(1, 2, 3, 4, 5, 6, 7, 8, 9, 10)
|
||||
.filter(i -> i % 2 == 0)
|
||||
.limit(2)
|
||||
.forEach(i -> System.out.print(i + " "));
|
||||
}
|
||||
|
||||
public static void limitInfiniteStreamExample() {
|
||||
Stream.iterate(0, i -> i + 1)
|
||||
.filter(i -> i % 2 == 0)
|
||||
.limit(10)
|
||||
.forEach(System.out::println);
|
||||
}
|
||||
|
||||
private static List<Integer> getEvenNumbers(int offset, int limit) {
|
||||
return Stream.iterate(0, i -> i + 1)
|
||||
.filter(i -> i % 2 == 0)
|
||||
.skip(offset)
|
||||
.limit(limit)
|
||||
.collect(Collectors.toList());
|
||||
}
|
||||
|
||||
}
|
||||
|
|
@ -1,33 +0,0 @@
|
|||
package com.baeldung.uuid;
|
||||
|
||||
import java.nio.ByteBuffer;
|
||||
import java.util.Arrays;
|
||||
import java.util.UUID;
|
||||
|
||||
public class UuidHelper {
|
||||
|
||||
public static byte[] convertUUIDToBytes(UUID uuid) {
|
||||
ByteBuffer bb = ByteBuffer.wrap(new byte[16]);
|
||||
bb.putLong(uuid.getMostSignificantBits());
|
||||
bb.putLong(uuid.getLeastSignificantBits());
|
||||
return bb.array();
|
||||
}
|
||||
|
||||
public static UUID convertBytesToUUID(byte[] bytes) {
|
||||
ByteBuffer byteBuffer = ByteBuffer.wrap(bytes);
|
||||
long high = byteBuffer.getLong();
|
||||
long low = byteBuffer.getLong();
|
||||
return new UUID(high, low);
|
||||
}
|
||||
|
||||
public static void main(String[] args) {
|
||||
UUID uuid = UUID.randomUUID();
|
||||
System.out.println("Original UUID: " + uuid);
|
||||
|
||||
byte[] bytes = convertUUIDToBytes(uuid);
|
||||
System.out.println("Converted byte array: " + Arrays.toString(bytes));
|
||||
|
||||
UUID uuidNew = convertBytesToUUID(bytes);
|
||||
System.out.println("Converted UUID: " + uuidNew);
|
||||
}
|
||||
}
|
||||
|
|
@ -1,34 +0,0 @@
|
|||
<?xml version="1.0" encoding="UTF-8"?>
|
||||
<persistence xmlns="http://java.sun.com/xml/ns/persistence"
|
||||
xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
|
||||
xsi:schemaLocation="http://java.sun.com/xml/ns/persistence http://java.sun.com/xml/ns/persistence/persistence_2_0.xsd"
|
||||
version="2.0">
|
||||
|
||||
<persistence-unit
|
||||
name="com.baeldung.optionalreturntype"
|
||||
transaction-type="RESOURCE_LOCAL">
|
||||
<description>Persist Optional Return Type Demo</description>
|
||||
<provider>org.hibernate.jpa.HibernatePersistenceProvider</provider>
|
||||
<class>com.baeldung.optionalreturntype.User</class>
|
||||
<class>com.baeldung.optionalreturntype.UserOptional</class>
|
||||
<!--
|
||||
<class>com.baeldung.optionalreturntype.UserOptionalField</class>
|
||||
-->
|
||||
<exclude-unlisted-classes>true</exclude-unlisted-classes>
|
||||
|
||||
<properties>
|
||||
<property name="javax.persistence.jdbc.driver"
|
||||
value="org.h2.Driver" />
|
||||
<property name="javax.persistence.jdbc.url"
|
||||
value="jdbc:h2:mem:test" />
|
||||
<property name="javax.persistence.jdbc.user" value="sa" />
|
||||
<property name="javax.persistence.jdbc.password" value="" />
|
||||
<property name="hibernate.dialect"
|
||||
value="org.hibernate.dialect.H2Dialect" />
|
||||
<property name="hibernate.hbm2ddl.auto" value="create-drop" />
|
||||
<property name="show_sql" value="true" />
|
||||
<property name="hibernate.temp.use_jdbc_metadata_defaults"
|
||||
value="false" />
|
||||
</properties>
|
||||
</persistence-unit>
|
||||
</persistence>
|
||||
|
|
@ -1 +0,0 @@
|
|||
Main-Class: com.baeldung.jarArguments.JarExample
|
||||
|
|
@ -1,2 +0,0 @@
|
|||
label=On {0, date, short} {1} has sent you {2, choice, 0#no messages|1#a message|2#two messages|2<{2,number,integer} messages}.
|
||||
label-icu={0} has sent you {2, plural, =0 {no messages} =1 {a message} other {{2, number, integer} messages}}.
|
||||
|
|
@ -1,2 +0,0 @@
|
|||
label={0, date, short}, {1}{2, choice, 0# ne|0<} vous a envoyé {2, choice, 0#aucun message|1#un message|2#deux messages|2<{2,number,integer} messages}.
|
||||
label-icu={0} {2, plural, =0 {ne } other {}}vous a envoyé {2, plural, =0 {aucun message} =1 {un message} other {{2, number, integer} messages}}.
|
||||
|
|
@ -1,2 +0,0 @@
|
|||
label={0, date, short} {1} ti ha inviato {2, choice, 0#nessun messagio|1#un messaggio|2#due messaggi|2<{2, number, integer} messaggi}.
|
||||
label-icu={0} {2, plural, =0 {non } other {}}ti ha inviato {2, plural, =0 {nessun messaggio} =1 {un messaggio} other {{2, number, integer} messaggi}}.
|
||||
|
|
@ -1,2 +0,0 @@
|
|||
label=W {0, date, short} {1}{2, choice, 0# nie|0<} wys\u0142a\u0142a ci {2, choice, 0#\u017Cadnych wiadomo\u015Bci|1#wiadomo\u015B\u0107|2#dwie wiadomo\u015Bci|2<{2, number, integer} wiadomo\u015Bci}.
|
||||
label-icu={0} {2, plural, =0 {nie } other {}}{1, select, male {wys\u0142a\u0142} female {wys\u0142a\u0142a} other {wys\u0142a\u0142o}} ci {2, plural, =0 {\u017Cadnej wiadomo\u015Bci} =1 {wiadomo\u015B\u0107} other {{2, number, integer} wiadomo\u015Bci}}.
|
||||
|
|
@ -1 +0,0 @@
|
|||
label=Alice has sent you a message.
|
||||
|
|
@ -1 +0,0 @@
|
|||
label=Alice vous a envoyé un message.
|
||||
|
|
@ -1 +0,0 @@
|
|||
label=Alice ti ha inviato un messaggio.
|
||||
|
|
@ -1 +0,0 @@
|
|||
label=Alice wys\u0142a\u0142a ci wiadomo\u015B\u0107.
|
||||
|
|
@ -1,164 +0,0 @@
|
|||
package com.baeldung.bifunction;
|
||||
|
||||
import org.junit.Test;
|
||||
|
||||
import java.util.ArrayList;
|
||||
import java.util.Arrays;
|
||||
import java.util.Comparator;
|
||||
import java.util.List;
|
||||
import java.util.function.BiFunction;
|
||||
import java.util.stream.Collectors;
|
||||
import java.util.stream.Stream;
|
||||
|
||||
import static org.assertj.core.api.Assertions.assertThat;
|
||||
|
||||
public class BiFunctionalInterfacesUnitTest {
|
||||
@Test
|
||||
public void givenStreamValues_whenMappedToNewValues() {
|
||||
List<String> mapped = Stream.of("hello", "world")
|
||||
.map(word -> word + "!")
|
||||
.collect(Collectors.toList());
|
||||
|
||||
assertThat(mapped).containsExactly("hello!", "world!");
|
||||
}
|
||||
|
||||
@Test
|
||||
public void givenStreamValues_whenReducedWithPrefixingOperation() {
|
||||
String result = Stream.of("hello", "world")
|
||||
.reduce("", (a, b) -> b + "-" + a);
|
||||
|
||||
assertThat(result).isEqualTo("world-hello-");
|
||||
}
|
||||
|
||||
@Test
|
||||
public void givenStreamValues_whenReducedWithPrefixingLambda_thenHasNoTrailingDash() {
|
||||
String result = Stream.of("hello", "world")
|
||||
.reduce("", (a, b) -> combineWithoutTrailingDash(a, b));
|
||||
|
||||
assertThat(result).isEqualTo("world-hello");
|
||||
}
|
||||
|
||||
private String combineWithoutTrailingDash(String a, String b) {
|
||||
if (a.isEmpty()) {
|
||||
return b;
|
||||
}
|
||||
return b + "-" + a;
|
||||
}
|
||||
|
||||
@Test
|
||||
public void givenStreamValues_whenReducedWithPrefixingMethodReference_thenHasNoTrailingDash() {
|
||||
String result = Stream.of("hello", "world")
|
||||
.reduce("", this::combineWithoutTrailingDash);
|
||||
|
||||
assertThat(result).isEqualTo("world-hello");
|
||||
}
|
||||
|
||||
@Test
|
||||
public void givenTwoLists_whenCombined() {
|
||||
List<String> list1 = Arrays.asList("a", "b", "c");
|
||||
List<Integer> list2 = Arrays.asList(1, 2, 3);
|
||||
|
||||
List<String> result = new ArrayList<>();
|
||||
for (int i=0; i < list1.size(); i++) {
|
||||
result.add(list1.get(i) + list2.get(i));
|
||||
}
|
||||
|
||||
assertThat(result).containsExactly("a1", "b2", "c3");
|
||||
}
|
||||
|
||||
@Test
|
||||
public void givenTwoLists_whenCombinedWithGeneralPurposeCombiner() {
|
||||
List<String> list1 = Arrays.asList("a", "b", "c");
|
||||
List<Integer> list2 = Arrays.asList(1, 2, 3);
|
||||
|
||||
List<String> result = listCombiner(list1, list2, (letter, number) -> letter + number);
|
||||
|
||||
assertThat(result).containsExactly("a1", "b2", "c3");
|
||||
}
|
||||
|
||||
private static <T, U, R> List<R> listCombiner(List<T> list1,
|
||||
List<U> list2,
|
||||
BiFunction<T, U, R> combiner) {
|
||||
List<R> result = new ArrayList<>();
|
||||
for (int i = 0; i < list1.size(); i++) {
|
||||
result.add(combiner.apply(list1.get(i), list2.get(i)));
|
||||
}
|
||||
return result;
|
||||
}
|
||||
|
||||
@Test
|
||||
public void givenTwoLists_whenComparedWithCombiningFunction() {
|
||||
List<Double> list1 = Arrays.asList(1.0d, 2.1d, 3.3d);
|
||||
List<Float> list2 = Arrays.asList(0.1f, 0.2f, 4f);
|
||||
|
||||
// algorithm to determine if the value in list1 > value in list 2
|
||||
List<Boolean> result = listCombiner(list1, list2, (doubleNumber, floatNumber) -> doubleNumber > floatNumber);
|
||||
|
||||
assertThat(result).containsExactly(true, true, false);
|
||||
}
|
||||
|
||||
@Test
|
||||
public void givenTwoLists_whenComparedWithCombiningFunctionByMethodReference() {
|
||||
List<Double> list1 = Arrays.asList(1.0d, 2.1d, 3.3d);
|
||||
List<Float> list2 = Arrays.asList(0.1f, 0.2f, 4f);
|
||||
|
||||
// algorithm to determine if the value in list1 > value in list 2
|
||||
List<Boolean> result = listCombiner(list1, list2, this::firstIsGreaterThanSecond);
|
||||
|
||||
assertThat(result).containsExactly(true, true, false);
|
||||
}
|
||||
|
||||
private boolean firstIsGreaterThanSecond(Double a, Float b) {
|
||||
return a > b;
|
||||
}
|
||||
|
||||
@Test
|
||||
public void givenTwoLists_whenComparedForEqualityByCombiningFunction() {
|
||||
List<Float> list1 = Arrays.asList(0.1f, 0.2f, 4f);
|
||||
List<Float> list2 = Arrays.asList(0.1f, 0.2f, 4f);
|
||||
|
||||
List<Boolean> result = listCombiner(list1, list2, (float1, float2) -> float1.equals(float2));
|
||||
|
||||
assertThat(result).containsExactly(true, true, true);
|
||||
}
|
||||
|
||||
@Test
|
||||
public void givenTwoLists_whenComparedForEqualityByCombiningFunctionWithMethodReference() {
|
||||
List<Float> list1 = Arrays.asList(0.1f, 0.2f, 4f);
|
||||
List<Float> list2 = Arrays.asList(0.1f, 0.2f, 4f);
|
||||
|
||||
List<Boolean> result = listCombiner(list1, list2, Float::equals);
|
||||
|
||||
assertThat(result).containsExactly(true, true, true);
|
||||
}
|
||||
|
||||
@Test
|
||||
public void givenTwoLists_whenComparedWithCombiningFunctionWithCompareTo() {
|
||||
List<Double> list1 = Arrays.asList(1.0d, 2.1d, 3.3d);
|
||||
List<Double> list2 = Arrays.asList(0.1d, 0.2d, 4d);
|
||||
|
||||
List<Integer> result = listCombiner(list1, list2, Double::compareTo);
|
||||
|
||||
assertThat(result).containsExactly(1, 1, -1);
|
||||
}
|
||||
|
||||
/**
|
||||
* Allows you to to pass in a lambda or method reference and then
|
||||
* get access to the BiFunction it is meant to become
|
||||
*/
|
||||
private static <T, U, R> BiFunction<T, U, R> asBiFunction(BiFunction<T, U, R> function) {
|
||||
return function;
|
||||
}
|
||||
|
||||
@Test
|
||||
public void givenTwoLists_whenComparedWithCombiningFunctionWithComposedBiFunction() {
|
||||
List<Double> list1 = Arrays.asList(1.0d, 2.1d, 3.3d);
|
||||
List<Double> list2 = Arrays.asList(0.1d, 0.2d, 4d);
|
||||
|
||||
List<Boolean> result = listCombiner(list1, list2,
|
||||
asBiFunction(Double::compareTo)
|
||||
.andThen(i -> i > 0));
|
||||
|
||||
assertThat(result).containsExactly(true, true, false);
|
||||
}
|
||||
}
|
||||
|
|
@ -1,21 +0,0 @@
|
|||
package com.baeldung.interfaceVsAbstractClass;
|
||||
|
||||
import static org.junit.Assert.assertTrue;
|
||||
|
||||
import org.junit.Test;
|
||||
|
||||
public class InterfaceVsAbstractClassUnitTest {
|
||||
@Test
|
||||
public void givenAbstractClass_whenValidCircleUsed_thenPass() {
|
||||
CircleClass redCircle = new ChildCircleClass();
|
||||
redCircle.setColor("RED");
|
||||
assertTrue(redCircle.isValid());
|
||||
}
|
||||
|
||||
@Test
|
||||
public void givenInterface_whenValidCircleWithoutStateUsed_thenPass() {
|
||||
ChidlCircleInterfaceImpl redCircleWithoutState = new ChidlCircleInterfaceImpl();
|
||||
redCircleWithoutState.setColor("RED");
|
||||
assertTrue(redCircleWithoutState.isValid());
|
||||
}
|
||||
}
|
||||
|
|
@ -1,74 +0,0 @@
|
|||
package com.baeldung.localization;
|
||||
|
||||
import static org.junit.Assert.assertEquals;
|
||||
|
||||
import java.util.Locale;
|
||||
|
||||
import org.junit.Test;
|
||||
|
||||
import com.baeldung.localization.ICUFormat;
|
||||
|
||||
public class ICUFormatUnitTest {
|
||||
|
||||
@Test
|
||||
public void givenInUK_whenAliceSendsNothing_thenCorrectMessage() {
|
||||
assertEquals("Alice has sent you no messages.", ICUFormat.getLabel(Locale.UK, new Object[] { "Alice", "female", 0 }));
|
||||
}
|
||||
|
||||
@Test
|
||||
public void givenInUK_whenAliceSendsOneMessage_thenCorrectMessage() {
|
||||
assertEquals("Alice has sent you a message.", ICUFormat.getLabel(Locale.UK, new Object[] { "Alice", "female", 1 }));
|
||||
}
|
||||
|
||||
@Test
|
||||
public void givenInUK_whenBobSendsSixMessages_thenCorrectMessage() {
|
||||
assertEquals("Bob has sent you 6 messages.", ICUFormat.getLabel(Locale.UK, new Object[] { "Bob", "male", 6 }));
|
||||
}
|
||||
|
||||
@Test
|
||||
public void givenInItaly_whenAliceSendsNothing_thenCorrectMessage() {
|
||||
assertEquals("Alice non ti ha inviato nessun messaggio.", ICUFormat.getLabel(Locale.ITALY, new Object[] { "Alice", "female", 0 }));
|
||||
}
|
||||
|
||||
@Test
|
||||
public void givenInItaly_whenAliceSendsOneMessage_thenCorrectMessage() {
|
||||
assertEquals("Alice ti ha inviato un messaggio.", ICUFormat.getLabel(Locale.ITALY, new Object[] { "Alice", "female", 1 }));
|
||||
}
|
||||
|
||||
@Test
|
||||
public void givenInItaly_whenBobSendsSixMessages_thenCorrectMessage() {
|
||||
assertEquals("Bob ti ha inviato 6 messaggi.", ICUFormat.getLabel(Locale.ITALY, new Object[] { "Bob", "male", 6 }));
|
||||
}
|
||||
|
||||
@Test
|
||||
public void givenInFrance_whenAliceSendsNothing_thenCorrectMessage() {
|
||||
assertEquals("Alice ne vous a envoyé aucun message.", ICUFormat.getLabel(Locale.FRANCE, new Object[] { "Alice", "female", 0 }));
|
||||
}
|
||||
|
||||
@Test
|
||||
public void givenInFrance_whenAliceSendsOneMessage_thenCorrectMessage() {
|
||||
assertEquals("Alice vous a envoyé un message.", ICUFormat.getLabel(Locale.FRANCE, new Object[] { "Alice", "female", 1 }));
|
||||
}
|
||||
|
||||
@Test
|
||||
public void givenInFrance_whenBobSendsSixMessages_thenCorrectMessage() {
|
||||
assertEquals("Bob vous a envoyé 6 messages.", ICUFormat.getLabel(Locale.FRANCE, new Object[] { "Bob", "male", 6 }));
|
||||
}
|
||||
|
||||
|
||||
@Test
|
||||
public void givenInPoland_whenAliceSendsNothing_thenCorrectMessage() {
|
||||
assertEquals("Alice nie wysłała ci żadnej wiadomości.", ICUFormat.getLabel(Locale.forLanguageTag("pl-PL"), new Object[] { "Alice", "female", 0 }));
|
||||
}
|
||||
|
||||
@Test
|
||||
public void givenInPoland_whenAliceSendsOneMessage_thenCorrectMessage() {
|
||||
assertEquals("Alice wysłała ci wiadomość.", ICUFormat.getLabel(Locale.forLanguageTag("pl-PL"), new Object[] { "Alice", "female", 1 }));
|
||||
}
|
||||
|
||||
@Test
|
||||
public void givenInPoland_whenBobSendsSixMessages_thenCorrectMessage() {
|
||||
assertEquals("Bob wysłał ci 6 wiadomości.", ICUFormat.getLabel(Locale.forLanguageTag("pl-PL"), new Object[] { "Bob", "male", 6 }));
|
||||
}
|
||||
|
||||
}
|
||||
|
|
@ -18,4 +18,7 @@
|
|||
- [Interface With Default Methods vs Abstract Class](https://www.baeldung.com/java-interface-default-method-vs-abstract-class)
|
||||
- [Convert Between Byte Array and UUID in Java](https://www.baeldung.com/java-byte-array-to-uuid)
|
||||
- [Create a Simple “Rock-Paper-Scissors” Game in Java](https://www.baeldung.com/java-rock-paper-scissors)
|
||||
- [VarArgs vs Array Input Parameters in Java](https://www.baeldung.com/varargs-vs-array)
|
||||
- [Lambda Expression vs. Anonymous Inner Class](https://www.baeldung.com/java-lambdas-vs-anonymous-class)
|
||||
- [Java Helper vs. Utility Classes](https://www.baeldung.com/java-helper-vs-utility-classes)
|
||||
- [Java 8 开始新增的 Optional 类](https://www.ossez.com/t/java-8-optional/13964)
|
||||
|
|
@ -1,4 +1,4 @@
|
|||
package com.baeldung.anonymousclass;
|
||||
package com.ossez.anonymousclass;
|
||||
|
||||
public class AnonymousClassExample{
|
||||
|
||||
|
|
@ -1,4 +1,4 @@
|
|||
package com.baeldung.argsVsvarargs;
|
||||
package com.ossez.argsVsvarargs;
|
||||
|
||||
public class StringArrayAndVarargs {
|
||||
public static void capitalizeNames(String[] args) {
|
||||
|
|
@ -1,4 +1,4 @@
|
|||
package com.baeldung.helpervsutilityclasses;
|
||||
package com.ossez.helpervsutilityclasses;
|
||||
|
||||
class MyHelperClass {
|
||||
public double discount;
|
||||
|
|
@ -1,4 +1,4 @@
|
|||
package com.baeldung.helpervsutilityclasses;
|
||||
package com.ossez.helpervsutilityclasses;
|
||||
|
||||
public final class MyUtilityClass {
|
||||
|
||||
|
|
@ -1,4 +1,4 @@
|
|||
package com.baeldung.lambdaexpression;
|
||||
package com.ossez.lambdaexpression;
|
||||
|
||||
public class LambdaExpressionExample{
|
||||
|
||||
|
|
@ -5,6 +5,7 @@ import java.util.List;
|
|||
import java.util.Locale;
|
||||
|
||||
public class App {
|
||||
|
||||
/**
|
||||
* Runs all available formatter
|
||||
*
|
||||
|
|
|
|||
|
|
@ -1,7 +1,7 @@
|
|||
package com.baeldung.argsVsvarargs;
|
||||
package com.ossez.argsVsvarargs;
|
||||
|
||||
import static com.baeldung.argsVsvarargs.StringArrayAndVarargs.capitalizeNames;
|
||||
import static com.baeldung.argsVsvarargs.StringArrayAndVarargs.firstLetterOfWords;
|
||||
import static com.ossez.argsVsvarargs.StringArrayAndVarargs.capitalizeNames;
|
||||
import static com.ossez.argsVsvarargs.StringArrayAndVarargs.firstLetterOfWords;
|
||||
import static org.junit.jupiter.api.Assertions.*;
|
||||
|
||||
import org.junit.jupiter.api.Test;
|
||||
|
|
@ -4,7 +4,6 @@ import org.junit.Test;
|
|||
|
||||
import java.util.ArrayList;
|
||||
import java.util.Arrays;
|
||||
import java.util.Comparator;
|
||||
import java.util.List;
|
||||
import java.util.function.BiFunction;
|
||||
import java.util.stream.Collectors;
|
||||
|
|
@ -71,7 +70,7 @@ public class BiFunctionalInterfacesUnitTest {
|
|||
List<String> list1 = Arrays.asList("a", "b", "c");
|
||||
List<Integer> list2 = Arrays.asList(1, 2, 3);
|
||||
|
||||
List<String> result = listCombiner(list1, list2, (a, b) -> a + b);
|
||||
List<String> result = listCombiner(list1, list2, (letter, number) -> letter + number);
|
||||
|
||||
assertThat(result).containsExactly("a1", "b2", "c3");
|
||||
}
|
||||
|
|
@ -92,7 +91,7 @@ public class BiFunctionalInterfacesUnitTest {
|
|||
List<Float> list2 = Arrays.asList(0.1f, 0.2f, 4f);
|
||||
|
||||
// algorithm to determine if the value in list1 > value in list 2
|
||||
List<Boolean> result = listCombiner(list1, list2, (a, b) -> a > b);
|
||||
List<Boolean> result = listCombiner(list1, list2, (doubleNumber, floatNumber) -> doubleNumber > floatNumber);
|
||||
|
||||
assertThat(result).containsExactly(true, true, false);
|
||||
}
|
||||
|
|
@ -117,7 +116,7 @@ public class BiFunctionalInterfacesUnitTest {
|
|||
List<Float> list1 = Arrays.asList(0.1f, 0.2f, 4f);
|
||||
List<Float> list2 = Arrays.asList(0.1f, 0.2f, 4f);
|
||||
|
||||
List<Boolean> result = listCombiner(list1, list2, (a, b) -> a.equals(b));
|
||||
List<Boolean> result = listCombiner(list1, list2, (float1, float2) -> float1.equals(float2));
|
||||
|
||||
assertThat(result).containsExactly(true, true, true);
|
||||
}
|
||||
|
|
|
|||
|
|
@ -1,4 +1,4 @@
|
|||
package com.baeldung.helpervsutilityclasses;
|
||||
package com.ossez.helpervsutilityclasses;
|
||||
|
||||
import static org.junit.jupiter.api.Assertions.*;
|
||||
|
||||
|
|
@ -1,4 +1,4 @@
|
|||
package com.baeldung.helpervsutilityclasses;
|
||||
package com.ossez.helpervsutilityclasses;
|
||||
|
||||
import static org.junit.jupiter.api.Assertions.*;
|
||||
|
||||
|
|
@ -6,6 +6,8 @@ import java.util.Locale;
|
|||
|
||||
import org.junit.Test;
|
||||
|
||||
import com.ossez.localization.ICUFormat;
|
||||
|
||||
public class ICUFormatUnitTest {
|
||||
|
||||
@Test
|
||||
|
|
|
|||
|
|
@ -8,9 +8,9 @@
|
|||
<name>core-java-collections-list-2</name>
|
||||
|
||||
<parent>
|
||||
<groupId>com.baeldung.core-java-modules</groupId>
|
||||
<groupId>com.ossez.core-java-modules</groupId>
|
||||
<artifactId>core-java-modules</artifactId>
|
||||
<version>0.0.1-SNAPSHOT</version>
|
||||
<version>0.0.2-SNAPSHOT</version>
|
||||
</parent>
|
||||
|
||||
<dependencies>
|
||||
|
|
|
|||
|
|
@ -8,9 +8,9 @@
|
|||
<name>core-java-numbers</name>
|
||||
|
||||
<parent>
|
||||
<groupId>com.baeldung.core-java-modules</groupId>
|
||||
<groupId>com.ossez.core-java-modules</groupId>
|
||||
<artifactId>core-java-modules</artifactId>
|
||||
<version>0.0.1-SNAPSHOT</version>
|
||||
<version>0.0.2-SNAPSHOT</version>
|
||||
</parent>
|
||||
|
||||
<dependencies>
|
||||
|
|
|
|||
|
|
@ -42,7 +42,7 @@
|
|||
<dependency>
|
||||
<groupId>com.google.guava</groupId>
|
||||
<artifactId>guava</artifactId>
|
||||
<version>${version.guava}</version>
|
||||
<version>${guava.version}</version>
|
||||
</dependency>
|
||||
</dependencies>
|
||||
|
||||
|
|
|
|||
|
|
@ -7,7 +7,7 @@
|
|||
<name>spring-data-jpa-repo</name>
|
||||
|
||||
<parent>
|
||||
<groupId>com.baeldung</groupId>
|
||||
<groupId>com.ossez</groupId>
|
||||
<artifactId>parent-boot-3</artifactId>
|
||||
<version>0.0.1-SNAPSHOT</version>
|
||||
<relativePath>../../parent-boot-3</relativePath>
|
||||
|
|
|
|||
2
pom.xml
2
pom.xml
|
|
@ -77,7 +77,7 @@
|
|||
<maven-war-plugin.version>3.0.0</maven-war-plugin.version>
|
||||
|
||||
<!-- UTILS -->
|
||||
<version.guava>31.1-jre</version.guava>
|
||||
<guava.version>31.1-jre</guava.version>
|
||||
<lombok.version>1.18.28</lombok.version>
|
||||
<joda-time.version>2.12.5</joda-time.version>
|
||||
<colt.version>1.2.0</colt.version>
|
||||
|
|
|
|||
Loading…
Reference in New Issue