Java Thread类的静态布尔型interrupted()方法(带示例)
线程类静态布尔 interrupted()
软件包java.lang.Thread.interrupted()中提供了此方法。
此方法用于检查线程是否已被中断。
此方法是静态的,因此我们也可以使用类名访问此方法。
此方法的返回类型为boolean,因此如果线程已中断,则返回true,然后将boolean变量或interrupted标志设置为false后,否则返回false;如果线程未中断,则返回false。
此方法引发异常。
语法:
static boolean interrupted(){}
参数:
在Thread方法中,我们不传递任何对象作为参数。
返回值:
此方法的返回类型为boolean,返回true或false,如果线程已中断,则返回true,然后将boolean标志设置为false,否则返回false。
Java程序演示interrupted()
方法示例
/* We will use Thread class methods so we are importingthe package but it is not mandate because
it is imported by default
*/
import java.lang.Thread;
class InterruptedThread extends Thread
{
//覆盖run() Thread类的方法
public void run()
{
for(int i=0;i<=3;++i){
/* By using interrupted() method to check whether
this thread has been interrupted or not it will
return and execute the interrupted code
*/
if(Thread.interrupted())
{
System.out.println("Is thread" +Thread.currentThread().getName()+"has been interrupted and status is set to "+" " +Thread.interrupted());
}
else
{
System.out.println("This thread has not been interrupted");
}
}
}
public static void main(String args[])
{
InterruptedThread it1 = new InterruptedThread();
InterruptedThread it2 = new InterruptedThread();
/* By using start() method to call the run() method of
Thread class and Thread class start() will call run()
method of InterruptedThread class
*/
it2.start();
it2.interrupt();
it1.start();
}
}
输出结果
E:\Programs>javac InterruptedThread.javaE:\Programs>java InterruptedThread
This thread has not been interrupted
This thread has not been interrupted
This thread has not been interrupted
Is thread Thread-1 has been interrupted: false
This thread has not been interrupted
This thread has not been interrupted
This thread has not been interrupted
This thread has not been interrupted
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