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Merge branch 'master' into JAVA-7244-Review_log_statements_for_projects

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This commit is contained in:
Loredana Crusoveanu
2021-12-09 10:22:41 +02:00
committed by GitHub
parent e3aebd9c10 1b2115b2ce
commit 4054e8f860
1079 changed files with 12491 additions and 4924 deletions
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core-java-modules/core-java-10/pom.xml
-2
View File
@@ -12,7 +12,6 @@
<groupId>com.baeldung.core-java-modules</groupId>
<artifactId>core-java-modules</artifactId>
<version>0.0.1-SNAPSHOT</version>
<relativePath>../</relativePath>
</parent>
<dependencies>
@@ -40,7 +39,6 @@
<properties>
<maven.compiler.source.version>10</maven.compiler.source.version>
<maven.compiler.target.version>10</maven.compiler.target.version>
<commons-collections4.version>4.1</commons-collections4.version>
</properties>
</project>
core-java-modules/core-java-11-2/pom.xml
+3 -43
View File
@@ -12,7 +12,7 @@
<groupId>com.baeldung</groupId>
<artifactId>parent-modules</artifactId>
<version>1.0.0-SNAPSHOT</version>
<relativePath>../..</relativePath>
<relativePath>../../pom.xml</relativePath>
</parent>
<dependencies>
@@ -21,35 +21,11 @@
<artifactId>guava</artifactId>
<version>${guava.version}</version>
</dependency>
<dependency>
<groupId>org.assertj</groupId>
<artifactId>assertj-core</artifactId>
<version>${assertj.version}</version>
<scope>test</scope>
</dependency>
<dependency>
<groupId>org.mock-server</groupId>
<artifactId>mockserver-junit-jupiter</artifactId>
<version>${mockserver.version}</version>
</dependency>
<dependency>
<groupId>org.junit.jupiter</groupId>
<artifactId>junit-jupiter-engine</artifactId>
<version>${junit-jupiter.version}</version>
<scope>test</scope>
</dependency>
<dependency>
<groupId>org.junit.jupiter</groupId>
<artifactId>junit-jupiter-params</artifactId>
<version>${junit-jupiter.version}</version>
<scope>test</scope>
</dependency>
<dependency>
<groupId>org.junit.jupiter</groupId>
<artifactId>junit-jupiter-api</artifactId>
<version>${junit-jupiter.version}</version>
<scope>test</scope>
</dependency>
<dependency>
<groupId>org.apache.commons</groupId>
<artifactId>commons-lang3</artifactId>
@@ -60,18 +36,6 @@
<artifactId>jakarta.xml.ws-api</artifactId>
<version>${jakarta.ws-api.version}</version>
</dependency>
<dependency>
<groupId>com.sun.xml.ws</groupId>
<artifactId>jaxws-rt</artifactId>
<version>${jaxws-rt.version}</version>
<scope>runtime</scope>
</dependency>
<dependency>
<groupId>com.sun.xml.ws</groupId>
<artifactId>jaxws-ri</artifactId>
<version>${jaxws-ri.version}</version>
<type>pom</type>
</dependency>
</dependencies>
<build>
@@ -106,13 +70,9 @@
<maven.compiler.source.version>11</maven.compiler.source.version>
<maven.compiler.target.version>11</maven.compiler.target.version>
<guava.version>29.0-jre</guava.version>
<assertj.version>3.17.2</assertj.version>
<mockserver.version>5.11.1</mockserver.version>
<commons-lang3.version>3.12.0</commons-lang3.version>
<jakarta.ws-api.version>3.0.0</jakarta.ws-api.version>
<jaxws-rt.version>3.0.0</jaxws-rt.version>
<jaxws-ri.version>2.3.1</jaxws-ri.version>
<jaxws-maven-plugin.version>2.3.2</jaxws-maven-plugin.version>
<jakarta.ws-api.version>3.0.1</jakarta.ws-api.version>
<jaxws-maven-plugin.version>3.0.2</jaxws-maven-plugin.version>
</properties>
</project>
core-java-modules/core-java-11-2/src/main/java/com/baeldung/httpsclientauthentication/SSLScocketClient.java
+41
View File
@@ -0,0 +1,41 @@
package com.baeldung.httpsclientauthentication;
import java.io.BufferedInputStream;
import java.io.BufferedOutputStream;
import java.io.IOException;
import java.io.InputStream;
import java.io.OutputStream;
import javax.net.SocketFactory;
import javax.net.ssl.SSLSocket;
import javax.net.ssl.SSLSocketFactory;
public class SSLScocketClient {
static void startClient(String host, int port) throws IOException {
SocketFactory factory = SSLSocketFactory.getDefault();
try (SSLSocket socket = (SSLSocket) factory.createSocket(host, port)) {
socket.setEnabledCipherSuites(new String[] { "TLS_AES_128_GCM_SHA256" });
socket.setEnabledProtocols(new String[] { "TLSv1.3" });
InputStream is = new BufferedInputStream(socket.getInputStream());
String message = "Hello World Message";
System.out.println("sending message: " + message);
OutputStream os = new BufferedOutputStream(socket.getOutputStream());
os.write(message.getBytes());
os.flush();
byte[] data = new byte[2048];
int len = is.read(data);
if (len <= 0) {
throw new IOException("no data received");
}
System.out.printf("client received %d bytes: %s%n", len, new String(data, 0, len));
}
}
public static void main(String[] args) throws IOException {
startClient("localhost", 8443);
}
}
core-java-modules/core-java-11-2/src/main/java/com/baeldung/httpsclientauthentication/SSLSocketEchoServer.java
+46
View File
@@ -0,0 +1,46 @@
package com.baeldung.httpsclientauthentication;
import java.io.BufferedInputStream;
import java.io.BufferedOutputStream;
import java.io.IOException;
import java.io.InputStream;
import java.io.OutputStream;
import java.net.Socket;
import javax.net.ServerSocketFactory;
import javax.net.ssl.SSLServerSocket;
import javax.net.ssl.SSLServerSocketFactory;
public class SSLSocketEchoServer {
static void startServer(int port) throws IOException {
ServerSocketFactory factory = SSLServerSocketFactory.getDefault();
try (SSLServerSocket listener = (SSLServerSocket) factory.createServerSocket(port)) {
listener.setNeedClientAuth(true);
listener.setEnabledCipherSuites(new String[] { "TLS_AES_128_GCM_SHA256" });
listener.setEnabledProtocols(new String[] { "TLSv1.3" });
System.out.println("listening for messages...");
try (Socket socket = listener.accept()) {
InputStream is = new BufferedInputStream(socket.getInputStream());
OutputStream os = new BufferedOutputStream(socket.getOutputStream());
byte[] data = new byte[2048];
int len = is.read(data);
if (len <= 0) {
throw new IOException("no data received");
}
String message = new String(data, 0, len);
System.out.printf("server received %d bytes: %s%n", len, message);
String response = message + " processed by server";
os.write(response.getBytes(), 0, response.getBytes().length);
os.flush();
}
System.out.println("message processed, exiting");
}
}
public static void main(String[] args) throws IOException {
startServer(8443);
}
}
core-java-modules/core-java-11-2/src/main/java/com/baeldung/soap/ws/client/generated/Country.java
+4 -4
View File
@@ -1,10 +1,10 @@
package com.baeldung.soap.ws.client.generated;
import javax.xml.bind.annotation.XmlAccessType;
import javax.xml.bind.annotation.XmlAccessorType;
import javax.xml.bind.annotation.XmlSchemaType;
import javax.xml.bind.annotation.XmlType;
import jakarta.xml.bind.annotation.XmlAccessType;
import jakarta.xml.bind.annotation.XmlAccessorType;
import jakarta.xml.bind.annotation.XmlSchemaType;
import jakarta.xml.bind.annotation.XmlType;
/**
core-java-modules/core-java-11-2/src/main/java/com/baeldung/soap/ws/client/generated/CountryService.java
+9 -9
View File
@@ -1,19 +1,19 @@
package com.baeldung.soap.ws.client.generated;
import javax.jws.WebMethod;
import javax.jws.WebParam;
import javax.jws.WebResult;
import javax.jws.WebService;
import javax.jws.soap.SOAPBinding;
import javax.xml.bind.annotation.XmlSeeAlso;
import javax.xml.ws.Action;
import jakarta.jws.WebMethod;
import jakarta.jws.WebParam;
import jakarta.jws.WebResult;
import jakarta.jws.WebService;
import jakarta.jws.soap.SOAPBinding;
import jakarta.xml.bind.annotation.XmlSeeAlso;
import jakarta.xml.ws.Action;
/**
* This class was generated by the JAX-WS RI.
* JAX-WS RI 2.3.2
* Generated source version: 2.2
* JAX-WS RI 3.0.2
* Generated source version: 3.0
*
*/
@WebService(name = "CountryService", targetNamespace = "http://server.ws.soap.baeldung.com/")
core-java-modules/core-java-11-2/src/main/java/com/baeldung/soap/ws/client/generated/CountryServiceImplService.java
+8 -8
View File
@@ -4,17 +4,17 @@ package com.baeldung.soap.ws.client.generated;
import java.net.MalformedURLException;
import java.net.URL;
import javax.xml.namespace.QName;
import javax.xml.ws.Service;
import javax.xml.ws.WebEndpoint;
import javax.xml.ws.WebServiceClient;
import javax.xml.ws.WebServiceException;
import javax.xml.ws.WebServiceFeature;
import jakarta.xml.ws.Service;
import jakarta.xml.ws.WebEndpoint;
import jakarta.xml.ws.WebServiceClient;
import jakarta.xml.ws.WebServiceException;
import jakarta.xml.ws.WebServiceFeature;
/**
* This class was generated by the JAX-WS RI.
* JAX-WS RI 2.3.2
* Generated source version: 2.2
* JAX-WS RI 3.0.2
* Generated source version: 3.0
*
*/
@WebServiceClient(name = "CountryServiceImplService", targetNamespace = "http://server.ws.soap.baeldung.com/", wsdlLocation = "http://localhost:8888/ws/country?wsdl")
@@ -75,7 +75,7 @@ public class CountryServiceImplService
/**
*
* @param features
* A list of {@link javax.xml.ws.WebServiceFeature} to configure on the proxy. Supported features not in the <code>features</code> parameter will have their default values.
* A list of {@link jakarta.xml.ws.WebServiceFeature} to configure on the proxy. Supported features not in the <code>features</code> parameter will have their default values.
* @return
* returns CountryService
*/
core-java-modules/core-java-11-2/src/main/java/com/baeldung/soap/ws/client/generated/Currency.java
+2 -3
View File
@@ -1,15 +1,14 @@
package com.baeldung.soap.ws.client.generated;
import javax.xml.bind.annotation.XmlEnum;
import javax.xml.bind.annotation.XmlType;
import jakarta.xml.bind.annotation.XmlEnum;
import jakarta.xml.bind.annotation.XmlType;
/**
* <p>Java class for currency.
*
* <p>The following schema fragment specifies the expected content contained within this class.
* <p>
* <pre>
* &lt;simpleType name="currency"&gt;
* &lt;restriction base="{http://www.w3.org/2001/XMLSchema}string"&gt;
core-java-modules/core-java-11-2/src/main/java/com/baeldung/soap/ws/client/generated/ObjectFactory.java
+1 -1
View File
@@ -1,7 +1,7 @@
package com.baeldung.soap.ws.client.generated;
import javax.xml.bind.annotation.XmlRegistry;
import jakarta.xml.bind.annotation.XmlRegistry;
/**
core-java-modules/core-java-11-2/src/main/java/com/baeldung/soap/ws/client/generated/package-info.java
+1 -1
View File
@@ -1,2 +1,2 @@
@javax.xml.bind.annotation.XmlSchema(namespace = "http://server.ws.soap.baeldung.com/")
@jakarta.xml.bind.annotation.XmlSchema(namespace = "http://server.ws.soap.baeldung.com/")
package com.baeldung.soap.ws.client.generated;
core-java-modules/core-java-11-2/src/test/java/com/baeldung/version/VersionUnitTest.java → core-java-modules/core-java-11-2/src/test/java/com/baeldung/version/VersionManualTest.java
+2 -1
View File
@@ -5,7 +5,8 @@ import org.assertj.core.api.Assertions;
import org.junit.jupiter.api.Disabled;
import org.junit.jupiter.api.Test;
public class VersionUnitTest {
// manual test as the runtime JDK version can be different depending on where the test is run
public class VersionManualTest {
@Test
public void givenJava_whenUsingRuntime_thenGetVersion() {
core-java-modules/core-java-11/pom.xml
+2 -8
View File
@@ -13,7 +13,8 @@
<groupId>com.baeldung</groupId>
<artifactId>parent-modules</artifactId>
<version>1.0.0-SNAPSHOT</version>
<relativePath>../..</relativePath>
<relativePath>../../pom.xml</relativePath>
</parent>
<dependencies>
@@ -22,12 +23,6 @@
<artifactId>guava</artifactId>
<version>${guava.version}</version>
</dependency>
<dependency>
<groupId>org.assertj</groupId>
<artifactId>assertj-core</artifactId>
<version>${assertj.version}</version>
<scope>test</scope>
</dependency>
<dependency>
<groupId>org.openjdk.jmh</groupId>
<artifactId>jmh-core</artifactId>
@@ -104,7 +99,6 @@
<maven.compiler.source.version>11</maven.compiler.source.version>
<maven.compiler.target.version>11</maven.compiler.target.version>
<guava.version>27.1-jre</guava.version>
<assertj.version>3.11.1</assertj.version>
<uberjar.name>benchmarks</uberjar.name>
<eclipse.collections.version>10.0.0</eclipse.collections.version>
<shade.plugin.version>3.2.4</shade.plugin.version>
core-java-modules/core-java-12/pom.xml
+1 -9
View File
@@ -13,20 +13,13 @@
<groupId>com.baeldung</groupId>
<artifactId>parent-modules</artifactId>
<version>1.0.0-SNAPSHOT</version>
<relativePath>../../</relativePath>
</parent>
<dependencies>
<dependency>
<groupId>org.assertj</groupId>
<artifactId>assertj-core</artifactId>
<version>${assertj.version}</version>
<scope>test</scope>
</dependency>
<dependency>
<groupId>commons-io</groupId>
<artifactId>commons-io</artifactId>
<version>2.11.0</version>
<version>${commons-io.version}</version>
</dependency>
</dependencies>
@@ -54,7 +47,6 @@
<properties>
<maven.compiler.source.version>12</maven.compiler.source.version>
<maven.compiler.target.version>12</maven.compiler.target.version>
<assertj.version>3.6.1</assertj.version>
</properties>
</project>
core-java-modules/core-java-13/pom.xml
-11
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@@ -14,18 +14,8 @@
<groupId>com.baeldung</groupId>
<artifactId>parent-modules</artifactId>
<version>1.0.0-SNAPSHOT</version>
<relativePath>../../</relativePath>
</parent>
<dependencies>
<dependency>
<groupId>org.assertj</groupId>
<artifactId>assertj-core</artifactId>
<version>${assertj.version}</version>
<scope>test</scope>
</dependency>
</dependencies>
<build>
<plugins>
<plugin>
@@ -53,7 +43,6 @@
<properties>
<maven.compiler.source.version>13</maven.compiler.source.version>
<maven.compiler.target.version>13</maven.compiler.target.version>
<assertj.version>3.6.1</assertj.version>
<surefire.plugin.version>3.0.0-M3</surefire.plugin.version>
</properties>
core-java-modules/core-java-14/pom.xml
-23
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@@ -12,30 +12,8 @@
<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>${assertj.version}</version>
<scope>test</scope>
</dependency>
<dependency>
<groupId>org.junit.jupiter</groupId>
<artifactId>junit-jupiter-engine</artifactId>
<version>${junit-jupiter.version}</version>
<scope>test</scope>
</dependency>
<dependency>
<groupId>org.junit.jupiter</groupId>
<artifactId>junit-jupiter-api</artifactId>
<version>${junit-jupiter.version}</version>
<scope>test</scope>
</dependency>
</dependencies>
<build>
<plugins>
<plugin>
@@ -62,7 +40,6 @@
<properties>
<maven.compiler.release>14</maven.compiler.release>
<assertj.version>3.6.1</assertj.version>
<maven-compiler-plugin.version>3.8.1</maven-compiler-plugin.version>
<surefire.plugin.version>3.0.0-M3</surefire.plugin.version>
</properties>
core-java-modules/core-java-15/pom.xml
-19
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@@ -21,24 +21,6 @@
<artifactId>commons-lang3</artifactId>
<version>${commons-lang3.version}</version>
</dependency>
<dependency>
<groupId>org.assertj</groupId>
<artifactId>assertj-core</artifactId>
<version>${assertj.version}</version>
<scope>test</scope>
</dependency>
<dependency>
<groupId>org.junit.jupiter</groupId>
<artifactId>junit-jupiter-engine</artifactId>
<version>${junit-jupiter.version}</version>
<scope>test</scope>
</dependency>
<dependency>
<groupId>org.junit.jupiter</groupId>
<artifactId>junit-jupiter-api</artifactId>
<version>${junit-jupiter.version}</version>
<scope>test</scope>
</dependency>
</dependencies>
<build>
@@ -67,7 +49,6 @@
<properties>
<maven.compiler.release>15</maven.compiler.release>
<assertj.version>3.17.2</assertj.version>
<maven-compiler-plugin.version>3.8.1</maven-compiler-plugin.version>
<surefire.plugin.version>3.0.0-M3</surefire.plugin.version>
</properties>
core-java-modules/core-java-16/pom.xml
+20 -40
View File
@@ -17,29 +17,11 @@
</parent>
<dependencies>
<dependency>
<groupId>org.assertj</groupId>
<artifactId>assertj-core</artifactId>
<version>${assertj.version}</version>
<scope>test</scope>
</dependency>
<dependency>
<groupId>org.apache.commons</groupId>
<artifactId>commons-lang3</artifactId>
<version>3.12.0</version>
<version>${commons-lang3.version}</version>
</dependency>
<dependency>
<groupId>org.junit.jupiter</groupId>
<artifactId>junit-jupiter-engine</artifactId>
<version>${junit-jupiter.version}</version>
<scope>test</scope>
</dependency>
<dependency>
<groupId>org.junit.jupiter</groupId>
<artifactId>junit-jupiter-api</artifactId>
<version>${junit-jupiter.version}</version>
<scope>test</scope>
</dependency>
</dependencies>
<build>
@@ -50,37 +32,35 @@
<version>${maven-compiler-plugin.version}</version>
<configuration>
<release>${maven.compiler.release}</release>
<compilerArgs>--enable-preview</compilerArgs>
<compilerArgs>--enable-preview</compilerArgs>
<source>${maven.compiler.source.version}</source>
<target>${maven.compiler.target.version}</target>
</configuration>
</plugin>
<plugin>
<groupId>org.apache.maven.plugins</groupId>
<artifactId>maven-surefire-plugin</artifactId>
<version>${surefire.plugin.version}</version>
<configuration>
<argLine>--enable-preview</argLine>
<forkCount>1</forkCount>
</configuration>
<dependencies>
<dependency>
<groupId>org.apache.maven.surefire</groupId>
<artifactId>surefire-api</artifactId>
<version>${surefire.plugin.version}</version>
</dependency>
</dependencies>
</plugin>
<plugin>
<groupId>org.apache.maven.plugins</groupId>
<artifactId>maven-surefire-plugin</artifactId>
<version>${surefire.plugin.version}</version>
<configuration>
<argLine>--enable-preview</argLine>
<forkCount>1</forkCount>
</configuration>
<dependencies>
<dependency>
<groupId>org.apache.maven.surefire</groupId>
<artifactId>surefire-api</artifactId>
<version>${surefire.plugin.version}</version>
</dependency>
</dependencies>
</plugin>
</plugins>
</build>
<properties>
<maven.compiler.source.version>16</maven.compiler.source.version>
<maven.compiler.target.version>16</maven.compiler.target.version>
<maven.compiler.release>16</maven.compiler.release>
<maven-compiler-plugin.version>3.8.1</maven-compiler-plugin.version>
<surefire.plugin.version>3.0.0-M5</surefire.plugin.version>
<assertj.version>3.17.2</assertj.version>
<maven.compiler.release>16</maven.compiler.release>
<surefire.plugin.version>3.0.0-M5</surefire.plugin.version>
</properties>
</project>
core-java-modules/core-java-17/README.md
+2
View File
@@ -1,3 +1,5 @@
### Relevant articles:
- [Pattern Matching for Switch](https://www.baeldung.com/java-switch-pattern-matching)
- [Introduction to HexFormat in Java 17](https://www.baeldung.com/java-hexformat)
- [New Features in Java 17](https://www.baeldung.com/java-17-new-features)
core-java-modules/core-java-17/pom.xml
+19 -41
View File
@@ -16,27 +16,6 @@
<relativePath>../../</relativePath>
</parent>
<dependencies>
<dependency>
<groupId>org.assertj</groupId>
<artifactId>assertj-core</artifactId>
<version>${assertj.version}</version>
<scope>test</scope>
</dependency>
<dependency>
<groupId>org.junit.jupiter</groupId>
<artifactId>junit-jupiter-engine</artifactId>
<version>${junit-jupiter.version}</version>
<scope>test</scope>
</dependency>
<dependency>
<groupId>org.junit.jupiter</groupId>
<artifactId>junit-jupiter-api</artifactId>
<version>${junit-jupiter.version}</version>
<scope>test</scope>
</dependency>
</dependencies>
<build>
<plugins>
<plugin>
@@ -50,32 +29,31 @@
<target>${maven.compiler.target.version}</target>
</configuration>
</plugin>
<plugin>
<groupId>org.apache.maven.plugins</groupId>
<artifactId>maven-surefire-plugin</artifactId>
<version>${surefire.plugin.version}</version>
<configuration>
<argLine>--enable-preview</argLine>
<forkCount>1</forkCount>
</configuration>
<dependencies>
<dependency>
<groupId>org.apache.maven.surefire</groupId>
<artifactId>surefire-api</artifactId>
<version>${surefire.plugin.version}</version>
</dependency>
</dependencies>
</plugin>
<plugin>
<groupId>org.apache.maven.plugins</groupId>
<artifactId>maven-surefire-plugin</artifactId>
<version>${surefire.plugin.version}</version>
<configuration>
<argLine>--enable-preview</argLine>
<argLine>--enable-native-access=core.java</argLine>
<forkCount>1</forkCount>
</configuration>
<dependencies>
<dependency>
<groupId>org.apache.maven.surefire</groupId>
<artifactId>surefire-api</artifactId>
<version>${surefire.plugin.version}</version>
</dependency>
</dependencies>
</plugin>
</plugins>
</build>
<properties>
<maven.compiler.source.version>17</maven.compiler.source.version>
<maven.compiler.target.version>17</maven.compiler.target.version>
<maven.compiler.release>17</maven.compiler.release>
<maven-compiler-plugin.version>3.8.1</maven-compiler-plugin.version>
<surefire.plugin.version>3.0.0-M5</surefire.plugin.version>
<assertj.version>3.17.2</assertj.version>
<maven.compiler.release>17</maven.compiler.release>
<surefire.plugin.version>3.0.0-M5</surefire.plugin.version>
</properties>
</project>
core-java-modules/core-java-17/src/main/java/com/baeldung/features/JEP356.java
+20
View File
@@ -0,0 +1,20 @@
package com.baeldung.features;
import java.util.random.RandomGeneratorFactory;
import java.util.stream.IntStream;
import java.util.stream.Stream;
public class JEP356 {
public Stream<String> getAllAlgorithms() {
return RandomGeneratorFactory.all().map(RandomGeneratorFactory::name);
}
public IntStream getPseudoInts(String algorithm, int streamSize) {
// returns an IntStream with size @streamSize of random numbers generated using the @algorithm
// where the lower bound is 0 and the upper is 100 (exclusive)
return RandomGeneratorFactory.of(algorithm)
.create()
.ints(streamSize, 0,100);
}
}
core-java-modules/core-java-17/src/main/java/com/baeldung/features/JEP406.java
+28
View File
@@ -0,0 +1,28 @@
package com.baeldung.features;
import com.baeldung.features.JEP409.Circle;
import com.baeldung.features.JEP409.Shape;
import com.baeldung.features.JEP409.Triangle;
public class JEP406 {
static record Human (String name, int age, String profession) {}
public String checkObject(Object obj) {
return switch (obj) {
case Human h -> "Name: %s, age: %s and profession: %s".formatted(h.name(), h.age(), h.profession());
case Circle c -> "This is a circle";
case Shape s -> "It is just a shape";
case null -> "It is null";
default -> "It is an object";
};
}
public String checkShape(Shape shape) {
return switch (shape) {
case Triangle t && (t.getNumberOfSides() != 3) -> "This is a weird triangle";
case Circle c && (c.getNumberOfSides() != 0) -> "This is a weird circle";
default -> "Just a normal shape";
};
}
}
core-java-modules/core-java-17/src/main/java/com/baeldung/features/JEP409.java
+38
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package com.baeldung.features;
public class JEP409 {
sealed interface Shape permits Rectangle, Circle, Square, Triangle {
int getNumberOfSides();
}
static final class Rectangle implements Shape {
@Override
public int getNumberOfSides() {
return 4;
}
}
static final class Circle implements Shape {
@Override
public int getNumberOfSides() {
return 0;
}
}
static final class Square implements Shape {
@Override
public int getNumberOfSides() {
return 4;
}
}
static non-sealed class Triangle implements Shape {
@Override
public int getNumberOfSides() {
return 3;
}
}
}
core-java-modules/core-java-17/src/main/java/com/baeldung/features/JEP412.java
+56
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@@ -0,0 +1,56 @@
package com.baeldung.features;
import jdk.incubator.foreign.CLinker;
import jdk.incubator.foreign.FunctionDescriptor;
import jdk.incubator.foreign.MemoryAddress;
import jdk.incubator.foreign.SymbolLookup;
import java.io.IOException;
import java.lang.invoke.MethodType;
import static jdk.incubator.foreign.ResourceScope.newImplicitScope;
public class JEP412 {
private static final SymbolLookup libLookup;
static {
var resource = JEP412.class.getResource("/compile_c.sh");
try {
var process = new ProcessBuilder("sh", resource.getPath()).start();
while (process.isAlive()) {}
} catch (IOException ex) {
throw new RuntimeException(ex);
}
var path = JEP412.class.getResource("/print_name.so").getPath();
System.load(path);
libLookup = SymbolLookup.loaderLookup();
}
public String getPrintNameFormat(String name){
var printMethod = libLookup.lookup("printName");
if (printMethod.isPresent()) {
var methodReference = CLinker.getInstance()
.downcallHandle(
printMethod.get(),
MethodType.methodType(MemoryAddress.class, MemoryAddress.class),
FunctionDescriptor.of(CLinker.C_POINTER, CLinker.C_POINTER)
);
try {
var nativeString = CLinker.toCString(name, newImplicitScope());
var invokeReturn = methodReference.invoke(nativeString.address());
var memoryAddress = (MemoryAddress) invokeReturn;
return CLinker.toJavaString(memoryAddress);
} catch (Throwable throwable) {
throw new RuntimeException(throwable);
}
}
throw new RuntimeException("printName function not found.");
}
}
core-java-modules/core-java-17/src/main/java/com/baeldung/features/JEP414.java
+27
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@@ -0,0 +1,27 @@
package com.baeldung.features;
import jdk.incubator.vector.FloatVector;
import jdk.incubator.vector.VectorSpecies;
public class JEP414 {
private static final VectorSpecies<Float> SPECIES = FloatVector.SPECIES_PREFERRED;
public void newVectorComputation(float[] a, float[] b, float[] c) {
for (var i = 0; i < a.length; i += SPECIES.length()) {
var m = SPECIES.indexInRange(i, a.length);
var va = FloatVector.fromArray(SPECIES, a, i, m);
var vb = FloatVector.fromArray(SPECIES, b, i, m);
var vc = va.mul(vb);
vc.intoArray(c, i, m);
}
}
public void commonVectorComputation(float[] a, float[] b, float[] c) {
for (var i = 0; i < a.length; i ++) {
c[i] = a[i] * b[i];
}
}
}
core-java-modules/core-java-17/src/main/java/module-info.java
+4
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@@ -0,0 +1,4 @@
module core.java {
requires jdk.incubator.vector;
requires jdk.incubator.foreign;
}
core-java-modules/core-java-17/src/main/resources/compile_c.sh
Executable
+9
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@@ -0,0 +1,9 @@
#!/bin/bash
SCRIPTPATH="$( cd -- "$(dirname "$0")" >/dev/null 2>&1 ; pwd -P )"
gcc -c -fPIC $SCRIPTPATH/print_name.c
gcc -shared -rdynamic -o print_name.so print_name.o
mv print_name.so $SCRIPTPATH/
mv print_name.o $SCRIPTPATH/
core-java-modules/core-java-17/src/main/resources/print_name.c
+8
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@@ -0,0 +1,8 @@
#include<stdio.h>
#include<stdlib.h>
char* printName(char *name) {
char* newString = (char*)malloc((15 + sizeof(name))*sizeof(char));
sprintf(newString, "Your name is %s", name);
return newString;
}
core-java-modules/core-java-17/src/test/java/com/baeldung/features/JEP356UnitTest.java
+19
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@@ -0,0 +1,19 @@
package com.baeldung.features;
import org.junit.jupiter.api.Test;
import static org.assertj.core.api.Assertions.assertThat;
public class JEP356UnitTest {
@Test
void getPseudoInts_whenUsingAlgorithmXoroshiro128PlusPlus_shouldReturnStreamOfRandomInteger() {
var algorithm = "Xoshiro256PlusPlus";
var streamSize = 100;
JEP356 jep356 = new JEP356();
jep356.getPseudoInts(algorithm, streamSize)
.forEach(value -> assertThat(value).isLessThanOrEqualTo(99));
}
}
core-java-modules/core-java-17/src/test/java/com/baeldung/features/JEP406UnitTest.java
+33
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@@ -0,0 +1,33 @@
package com.baeldung.features;
import com.baeldung.features.JEP406.Human;
import com.baeldung.features.JEP409.Square;
import org.junit.jupiter.api.Test;
import static org.junit.jupiter.api.Assertions.*;
class JEP406UnitTest {
@Test
void checkObject_shouldMatchWithHuman() {
var jep406 = new JEP406();
var human = new Human("John", 31, "Developer");
var checkResult = jep406.checkObject(human);
assertEquals("Name: John, age: 31 and profession: Developer", checkResult);
}
@Test
void checkShape_shouldMatchWithShape() {
var jep406 = new JEP406();
var square = new Square();
var checkResult = jep406.checkShape(square);
assertEquals("Just a normal shape", checkResult);
}
}
core-java-modules/core-java-17/src/test/java/com/baeldung/features/JEP409UnitTest.java
+39
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@@ -0,0 +1,39 @@
package com.baeldung.features;
import com.baeldung.features.JEP409.*;
import org.junit.jupiter.api.Assertions;
import org.junit.jupiter.api.Test;
import static org.junit.jupiter.api.Assertions.assertEquals;
import static org.mockito.Mockito.spy;
import static org.mockito.Mockito.verify;
class JEP409UnitTest {
static class WeirdTriangle extends Triangle {
@Override public int getNumberOfSides() {
return 40;
}
}
@Test
void testSealedClass_shouldInvokeRightClass() {
Shape shape = spy(new WeirdTriangle());
int numberOfSides = getNumberOfSides(shape);
assertEquals(40, numberOfSides);
verify(shape).getNumberOfSides();
}
int getNumberOfSides(Shape shape) {
return switch (shape) {
case WeirdTriangle t -> t.getNumberOfSides();
case Circle c -> c.getNumberOfSides();
case Triangle t -> t.getNumberOfSides();
case Rectangle r -> r.getNumberOfSides();
case Square s -> s.getNumberOfSides();
};
}
}

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