public class testThreadPriority{
    public static void main(String arg[]){
        myThread A=new myThread("A",3);
        myThread B=new myThread("B",9);
        myThread C=new myThread("C",5);
        A.start();
        B.start();
        C.start(); 
        try{
            A.join();
            B.join();
            C.join();
            }catch(InterruptedException e){}
        }
    }
class myThread extends Thread{
    String Name;
    int Priority;
    myThread(String Name,int Priority){
        this.Name=Name;
        this.Priority=Priority;
        this.setPriority(Priority);
        }
    public void run(){
        System.out.println("線程"+Name+"啟動(dòng)，優(yōu)先級(jí)數(shù)是："+Priority);
        }
    }