Java isDaemon()方法
线程类的
isDaemon()方法检查该线程是否为守护线程。如果线程是守护程序线程,则此方法将返回true,否则返回false。
语法
public final boolean isDaemon()
返回
如果线程是守护程序线程,则此方法将返回true,否则返回false。
示例
public class JavaIsDaemonExp extends Thread
{
public void run()
{
//checking for daemon thread
if(Thread.currentThread().isDaemon())
{
System.out.println("daemon thread work");
}
else
{
System.out.println("user thread work");
}
}
public static void main(String[] args)
{
// creating three threads
JavaIsDaemonExp t1=new JavaIsDaemonExp();
JavaIsDaemonExp t2=new JavaIsDaemonExp();
JavaIsDaemonExp t3=new JavaIsDaemonExp();
// set user thread t1 to daemon thread
t1.setDaemon(true);
//starting all the threads
t1.start();
t2.start();
t3.start();
}
}
输出:
daemon thread work
user thread work
user thread work