threaddemo.java

java2应用开发指南第一版

【代码9-2-4】
//ThreadDemo.java
class ThreadDemo extends Thread
{
	ThreadDemo(String strName)
	{
		System.out.println("线程名称："+strName);
	}
	public void run()
	{
		//打印出当前线程的优先级
		System.out.println(this.getPriority());
	}
}
class PriorityDemo
{
	public static void main(string args[])
	{
		ThreadDemo aThreadDemo = new ThreadDemo("Thread A");
		aThreadDemo.setPriority(Thread.MAX_PRIORITY);
		aThreadDemo.start();
		ThreadDemo bThreadDemo = new ThreadDemo("Thread B");
		bThreadDemo.setPriority(Thread.MIN_PRIORITY);
		bThreadDemo.start();
		ThreadDemo cThreadDemo = new ThreadDemo("Thread C");
		cThreadDemo.setPriority(Thread.NORMAL_PRIORITY);
		cThreadDemo.start();
		ThreadDemo dThreadDemo = new ThreadDemo("Thread D");
		dThreadDemo.setPriority(Thread.MIN_PRIORITY);
		dThreadDemo.start();
	ThreadDemo eThreadDemo = new ThreadDemo("Thread E");
		eThreadDemo.setPriority(Thread.MIN_PRIORITY);
		eThreadDemo.start();

	}
}