Java ThreadGroup getMaxPriority() 方法

2024 年 11 月 11 日 | 阅读 1 分钟

ThreadGroup 类的 getMaxPriority() 方法返回线程组的最大优先级。

语法

此方法返回线程组中的线程可能具有的最高优先级。

示例

class NewThread extends Thread 
{
    NewThread(String threadname, ThreadGroup tg)
    {
        super(tg, threadname);
    }
    public void run()
    {
        for(int i = 0;i < 10;i++) 
        {
            i++;
        }
        System.out.println(Thread.currentThread().getName() + " completed executing");
    }
}
public class ThreadGroupGetPriorityExp 
{
    public static void main(String arg[]) throws InterruptedException,
        SecurityException, Exception
    {
        // creating a parent threadGroup
        ThreadGroup tg1 = new ThreadGroup("Parent thread");
        // returns the maximum priority of parent thread
        System.out.println("Maximum priority of Parent threadGroup: " + tg1.getMaxPriority());

        // creating a child threadGroup 
        ThreadGroup tg2 = new ThreadGroup(tg1, "Child thread");
        // returns the maximum priority of child thread
        System.out.println("Maximum priority of Child threadGroup: " + tg1.getMaxPriority());

        // creating a thread 
        NewThread t1 = new NewThread("Thread-1", tg1);
        t1.start();

       // creating another thread 
        NewThread t2 = new NewThread("Thread-2", tg2);
        t2.start();
    }
}

输出

Maximum priority of Parent threadGroup: 10
Maximum priority of Child threadGroup: 10
Thread-1 completed executing
Thread-2 completed executing

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Java ThreadGroup getMaxPriority() 方法

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