forked from Parallele_Programmierung/Labs
initial
parent
f6c4ac8bcc
commit
e84d9f0d0a
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# Justfile (https://just.systems/) for starting Maven standard targets
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default: clean compile
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#!/usr/bin/env bash
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cd target/classes
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java --enable-preview pp.Exec
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exec class args: compile
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mvn exec:java -Dexec.args="{{args}}" -Dexec.mainClass={{class}}
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# exec class args:
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# java -cp target/app.jar {{class}} {{args}}
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clean:
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mvn clean
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compile:
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mvn compile
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test: compile
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mvn test
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javadoc:
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mvn javadoc:javadoc
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package:
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mvn package
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<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 https://maven.apache.org/xsd/maven-4.0.0.xsd">
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<modelVersion>4.0.0</modelVersion>
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<groupId>pp</groupId>
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<artifactId>pp.09.02-StructuredConcurrency</artifactId>
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<version>1.0-SNAPSHOT</version>
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<packaging>jar</packaging>
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<properties>
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<maven.compiler.release>23</maven.compiler.release>
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<lombok.version>edge-SNAPSHOT</lombok.version>
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<project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
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</properties>
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<dependencies>
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<dependency><!-- für Unit-Tests -->
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<groupId>org.junit.jupiter</groupId>
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<artifactId>junit-jupiter</artifactId>
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<version>5.10.0</version>
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<scope>test</scope>
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</dependency>
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<dependency><!-- für Lombok -->
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<groupId>org.projectlombok</groupId>
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<artifactId>lombok</artifactId>
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<version>${lombok.version}</version>
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<scope>provided</scope>
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</dependency>
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<dependency><!-- für net.jcip Annotationen -->
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<groupId>net.jcip</groupId>
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<artifactId>jcip-annotations</artifactId>
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<version>1.0</version>
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<scope>provided</scope>
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</dependency>
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</dependencies>
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<build>
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<plugins>
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<plugin><!-- für Unit-Tests [mvn test] -->
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<groupId>org.apache.maven.plugins</groupId>
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<artifactId>maven-surefire-plugin</artifactId>
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<version>3.0.0</version>
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<configuration>
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<argLine>--enable-preview</argLine>
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</configuration>
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</plugin>
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<plugin><!-- [mvn compile] -->
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<groupId>org.apache.maven.plugins</groupId>
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<artifactId>maven-compiler-plugin</artifactId>
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<version>3.9.0</version>
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<configuration>
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<compilerArgs>--enable-preview</compilerArgs>
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<annotationProcessorPaths>
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<path>
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<groupId>org.projectlombok</groupId>
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<artifactId>lombok</artifactId>
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<version>${lombok.version}</version>
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</path>
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</annotationProcessorPaths>
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</configuration>
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</plugin>
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<plugin><!-- [mvn exec:java] -->
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<groupId>org.codehaus.mojo</groupId>
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<artifactId>exec-maven-plugin</artifactId>
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<version>3.1.0</version>
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<configuration>
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<argLine>--enable-preview</argLine>
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</configuration>
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</plugin>
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<plugin><!-- [mvn javadoc:javadoc] -->
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<groupId>org.apache.maven.plugins</groupId>
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<artifactId>maven-javadoc-plugin</artifactId>
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<version>3.5.0</version>
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<configuration>
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<show>private</show>
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<locale>en_US</locale>
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</configuration>
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</plugin>
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</plugins>
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</build>
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</project>
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<project xmlns="http://maven.apache.org/POM/4.0.0"
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xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
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xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 https://maven.apache.org/xsd/maven-4.0.0.xsd">
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<modelVersion>4.0.0</modelVersion>
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<groupId>pp</groupId>
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<artifactId>pp.09.02-StructuredConcurrency</artifactId>
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<version>1.0-SNAPSHOT</version>
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<packaging>jar</packaging>
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<properties>
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<maven.compiler.release>21</maven.compiler.release>
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<lombok.version>edge-SNAPSHOT</lombok.version>
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<project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
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</properties>
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<dependencies>
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<dependency><!-- für Unit-Tests -->
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<groupId>org.junit.jupiter</groupId>
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<artifactId>junit-jupiter</artifactId>
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<version>5.10.0</version>
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<scope>test</scope>
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</dependency>
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<dependency><!-- für Lombok -->
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<groupId>org.projectlombok</groupId>
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<artifactId>lombok</artifactId>
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<version>${lombok.version}</version>
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<scope>provided</scope>
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</dependency>
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<dependency><!-- für net.jcip Annotationen -->
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<groupId>net.jcip</groupId>
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<artifactId>jcip-annotations</artifactId>
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<version>1.0</version>
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<scope>provided</scope>
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</dependency>
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</dependencies>
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<build>
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<plugins>
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<plugin><!-- für Unit-Tests [mvn test] -->
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<groupId>org.apache.maven.plugins</groupId>
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<artifactId>maven-surefire-plugin</artifactId>
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<version>3.0.0</version>
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</plugin>
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<plugin><!-- [mvn compile] -->
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<groupId>org.apache.maven.plugins</groupId>
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<artifactId>maven-compiler-plugin</artifactId>
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<version>3.11.0</version>
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<configuration>
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<annotationProcessorPaths>
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<path>
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<groupId>org.projectlombok</groupId>
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<artifactId>lombok</artifactId>
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<version>${lombok.version}</version>
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</path>
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</annotationProcessorPaths>
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<compilerArgs>
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<arg>--enable-preview</arg>
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</compilerArgs>
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</configuration>
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</plugin>
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<plugin><!-- [mvn exec:exec] -->
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<groupId>org.codehaus.mojo</groupId>
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<artifactId>exec-maven-plugin</artifactId>
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<version>3.1.0</version>
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<configuration>
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<executable>java</executable>
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<arguments>
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<argument>-classpath</argument>
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<argument>target/classes</argument>
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<argument>--enable-preview</argument>
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<argument>io.dama.ffi.structconc.Exec</argument>
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</arguments>
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</configuration>
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</plugin>
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<plugin><!-- [mvn javadoc:javadoc] -->
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<groupId>org.apache.maven.plugins</groupId>
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<artifactId>maven-javadoc-plugin</artifactId>
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<version>3.5.0</version>
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<configuration>
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<show>private</show>
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<locale>en_US</locale>
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</configuration>
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</plugin>
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</plugins>
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</build>
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</project>
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@ -0,0 +1,31 @@
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package pp;
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import java.math.BigInteger;
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import java.util.ArrayList;
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import java.util.List;
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import java.util.concurrent.Callable;
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import java.util.concurrent.ExecutionException;
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import java.util.concurrent.ThreadLocalRandom;
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import java.util.concurrent.TimeoutException;
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import java.util.concurrent.StructuredTaskScope;
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public class Exec<T> {
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static <T> T race(List<Callable<T>> tasks) throws InterruptedException, ExecutionException {
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try (var scope = new StructuredTaskScope.ShutdownOnSuccess<T>()) {
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for (var task : tasks) {
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scope.fork(task);
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}
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return scope.join().result();
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}
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}
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public static void main(String... args)
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throws InterruptedException, TimeoutException, Throwable {
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var tasks = new ArrayList<Callable<BigInteger>>();
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for (var i = 0; i < Runtime.getRuntime().availableProcessors() - 1; i++) {
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tasks.add(() -> BigInteger.probablePrime(2048, ThreadLocalRandom.current()));
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}
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System.out.println(race(tasks));
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}
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}
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