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853天前public class Priority { |
|
static class MyThread extends Thread{ |
private int ID = 0; |
public MyThread(int id){ |
this.ID = id; |
} |
public void run(){ |
System.out.println("MyThread-" + this.ID + |
" begin! Priority: " + this.getPriority()); |
System.out.println("MyThread-" + this.ID + " end!"); |
} |
} |
public static void main(String[] args) { |
//建立3个优先级不同的线程 |
MyThread[] myThreads = new MyThread[3]; |
for (int i=0; i<3; i++){ |
myThreads[i] = new MyThread(i+1); |
//三个线程的优先级分别是1，4，7 |
myThreads[i].setPriority(i*3+1); |
} |
//按优先级从低到高启动线程 |
for (int i=0; i<3; i++){ |
myThreads[i].start(); |
} |
//先启动的线程不一定先运行，虚拟机会考虑线程的优先级，同等情况下，优先级高的线程先运行 |
} |
} |
