可以用setPriority来设置线程的优先级，getPriority取得线程的优先级：
1 package priority; 2 3 import sharevar.Machine; 4 5 public class priority extends Thread { 6 private static StringBuffer log=new StringBuffer(); 7 private static int count=0; 8 9 public void run() { 10 for (int a=0;a<20;a++) { 11 log.append(currentThread().getName()+":"+a); 12 if (++count %10==0) log.append("\n"); 13 } 14 } 15 16 /** 17 * @param args 18 */ 19 public static void main(String[] args) { 20 // TODO Auto-generated method stub 21 Machine m1=new Machine(); 22 Machine m2=new Machine(); 23 m1.setName("m1"); 24 m2.setName("m2"); 25 26 Thread main=Thread.currentThread(); //获得主线程 27 //查看和设置线程的优先级 28 System.out.println("default priority of main:"+main.getPriority()); 29 //打印m2线程默认优先级 30 System.out.println("default priority of m1:"+m1.getPriority()); 31 //打印m2线程默认优先级 32 System.out.println("default priority of m2:"+m2.getPriority()); 33 34 m2.setPriority(Thread.MAX_PRIORITY); 35 m1.setPriority(Thread.MIN_PRIORITY); 36 37 m1.start(); 38 m2.start(); 39 System.out.println(log); 40 } 41 42 }
