Java 实例 - 中断线程
Java 教程
· 2019-02-12 07:57:13
以下实例演示了如何使用interrupt()方法来中断线程并使用 isInterrupted() 方法来判断线程是否已中断：
Main.java 文件
public class Main extends Object
implements Runnable {
public void run() {
try {
System.out.println("in run() - 将运行 work2() 方法");
work2();
System.out.println("in run() - 从 work2() 方法回来");
}
catch (InterruptedException x) {
System.out.println("in run() - 中断 work2() 方法");
return;
}
System.out.println("in run() - 休眠后执行");
System.out.println("in run() - 正常离开");
}
public void work2() throws InterruptedException {
while (true) {
if (Thread.currentThread().isInterrupted()) {
System.out.println("C isInterrupted()=" + Thread.currentThread().isInterrupted());
Thread.sleep(2000);
System.out.println("D isInterrupted()=" + Thread.currentThread().isInterrupted());
}
}
}
public void work() throws InterruptedException {
while (true) {
for (int i = 0; i < 100000; i++) {
int j = i * 2;
}
System.out.println("A isInterrupted()=" + Thread.currentThread().isInterrupted());
if (Thread.interrupted()) {
System.out.println("B isInterrupted()=" + Thread.currentThread().isInterrupted());
throw new InterruptedException();
}
}
}
public static void main(String[] args) {
Main si = new Main();
Thread t = new Thread(si);
t.start();
try {
Thread.sleep(2000);
}
catch (InterruptedException x) {
}
System.out.println("in main() - 中断其他线程");
t.interrupt();
System.out.println("in main() - 离开");
}
}
以上代码运行输出结果为：
in run() - 将运行 work2() 方法 in main() - 中断其他线程 in main() - 离开 C isInterrupted()=true in run() - 中断 work2() 方法
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