public class SynchronizedTest {
public synchronized void say(String name){
if("Thread-0".equals(name)){
while(true){
}
}
System.out.println(name);
}
public static void main(String[] args) throws InterruptedException {
new Thread1().start();
Thread.sleep(1000l);
new Thread2().start();
}
}
class Thread1 extends Thread{
public void run() {
System.out.println("a");
new SynchronizedTest().say(Thread.currentThread().getName());
}
}
class Thread2 extends Thread{
public void run() {
System.out.println("b");
new SynchronizedTest().say(Thread.currentThread().getName());
}
}
out:
a
b
Thread-1
理解为 应该Thread-0先进来调用say()并且死循环占用方法 Thread-1就不能使用say()方法
为什么不是
a
b
