// YieldTest.java的源码
class ThreadA extends Thread{
public ThreadA(String name){
super(name);
}
public synchronized void run(){
for(int i=0; i <10; i++){
System.out.printf("%s [%d]:%dn", this.getName(), this.getPriority(), i);
// i整除4时,调用yield
if (i%4 == 0)
Thread.yield();
}
}
}
public class YieldTest{
public static void main(String[] args){
ThreadA t1 = new ThreadA("t1");
ThreadA t2 = new ThreadA("t2");
t1.start();
t2.start();
}
}
// YieldLockTest.java 的源码
public class YieldLockTest{
private static Object obj = new Object();
public static void main(String[] args){
ThreadA t1 = new ThreadA("t1");
ThreadA t2 = new ThreadA("t2");
t1.start();
t2.start();
}
static class ThreadA extends Thread{
public ThreadA(String name){
super(name);
}
public void run(){
// 获取obj对象的同步锁
synchronized (obj) {
for(int i=0; i <10; i++){
System.out.printf("%s [%d]:%dn", this.getName(), this.getPriority(), i);
// i整除时,调用yield
if (i%4 == 0)
Thread.yield();
}
}
}
}
}
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