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java thread destory_Java Thread destroy()方法

郦磊
2023-12-01

Java Thread destroy()方法

java.lang.Thread.destroy() 方法用于销毁线程组及其所有子组。线程组必须为空,表示该线程组中的所有线程此后都已停止。

1 语法

public void destroy()

2 参数

3 返回值

4 示例

package com.yiidian;

/**

* 一点教程网: http://www.yiidian.com

*/

/**

* java.lang.Thread.destroy()方法的例子

*/

public class Demo extends Thread

{

Demo(String threadname, ThreadGroup tg)

{

super(tg, threadname);

start();

}

public void run()

{

for (int i = 0; i < 2; i++)

{

try

{

Thread.sleep(10);

}

catch (InterruptedException ex) {

System.out.println("Exception encounterted");}

}

System.out.println(Thread.currentThread().getName() +

" finished executing");

}

public static void main(String arg[]) throws InterruptedException, SecurityException

{

// creating a ThreadGroup

ThreadGroup g1 = new ThreadGroup("Parent thread");

// creating a child ThreadGroup for parent ThreadGroup

ThreadGroup g2 = new ThreadGroup(g1, "child thread");

// creating a thread

Demo t1 = new Demo("Thread-1", g1);

// creating another thread

Demo t2 = new Demo("Thread-2", g1);

// block until other thread is finished

t1.join();

t2.join();

// destroying child thread

g2.destroy();

System.out.println(g2.getName() + " destroyed");

// destroying parent thread

g1.destroy();

System.out.println(g1.getName() + " destroyed");

}

}

输出结果为:

Thread-1 finished executing

Thread-2 finished executing

child thread destroyed

Parent thread destroyed

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