* * @see java.lang.Thread#run() */ public abstract void run(); } Runnable只有一个run方法,在使用普通线程的时候,我们可以实现Runnable接口即可,Thread类在调用start()函数后就是执行的是Runnable的run()函数。 简单使用: 代码语言:javascript 代码运行次数:0 运行 AI代码
publicclassTest{publicstaticvoidmain(String[]args)throwsExecutionException,InterruptedException{// 定义线...
importjava.util.concurrent.Callable;importjava.util.concurrent.FutureTask;publicclassCallableExampleimplemen...
System.out.println("***come in here"); Thread.sleep(5000);return1024; } } 然后调转依一下主线程与futureTask线程执行的顺序: publicclassCallableDemo {publicstaticvoidmain(String[] args)throwsExecutionException, InterruptedException {//MyThreadCallable myThread = new MyThreadCallable();FutureTask futur...
*runmethod to be called in that separately executing * thread. * * The general contract of the methodrunis that it may * take any action whatsoever. * * @see java.lang.Thread#run() */ public abstract void run(); } Callable
在java的多线程开发中Runnable一直以来都是多线程的核心,而Callable是java1.5添加进来的一个增强版本。 本文我们会详细探讨Runnable和Callable的区别。 运行机制 首先看下Runnable和Callable的接口定义: 代码语言:javascript 代码运行次数:0 运行 AI代码解释 @FunctionalInterface public interface Runnable { /** * When ...
import java.util.concurrent.; / @author: GuanBin @date: Created in 下午11:19 2019/10/31 */ public class TestCallable implements Callable { private int taskNum; public TestCallable(int taskNum) { this.taskNum = taskNum; } //1,2主要区别是创建线程的方式 ...
packagethread.test;importjava.util.concurrent.ExecutionException;importjava.util.concurrent.FutureTask;publicclassFutureTaskTest2 {publicstaticvoidmain(String[] args) { FutureTask futureTask=newFutureTask(() -> Thread.currentThread().getName() + "-熊猫爱竹子");newThread(futureTask, "T1").start();try...
importjava.util.concurrent.*;publicclassFutureAndCallableExample{publicstaticvoidmain(String[] args)throwsExecutionException, InterruptedException {ExecutorServiceexecutor=Executors.newSingleThreadExecutor(); Future<Integer> future = executor.submit(newCallable<Integer>() {@OverridepublicIntegercall()throwsException...
class MyThread extends Thread { @Override public void run() { System.out.println("Running in Thread"); } } 1. 2. 3. 4. 5. 6. 7. 8. 9. 10. 11. Runnable 是一个函数式接口(Java 8+),仅定义run()方法,无返回值。 通过实现接口并传递给Thread或线程池执行。