线程
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package test;
public class TestThread {
/**
* @param args
*/
public static void main(String[] args) {
// TODO Auto-generated method stub
new TestThread();
}
public String a = "test";
public TestThread() {
Thread thread1 = new WaitThread();
Thread thread2 = new WaitThread();
thread1.start();
thread2.start();
try {
Thread.sleep(2000);
} catch (InterruptedException e) {
// TODO Auto-generated catch block
e.printStackTrace();
}
Thread thread3 = new NotifyThread();
thread3.start();
}
class WaitThread extends Thread {
public void run() {
synchronized (a) {
try {
System.out.println("before wait : " + Thread.currentThread() + ":" + a);
a.wait();
System.out.println("after wait : " + Thread.currentThread() + ":" + a);
System.out.println("before sleep : " + Thread.currentThread() + ":" + a);
sleep(5000);
System.out.println("after sleep : " + Thread.currentThread() + ":" + a);
} catch (InterruptedException e) {
// TODO Auto-generated catch block
e.printStackTrace();
}
}
}
}
class NotifyThread extends Thread {
public void run() {
synchronized (a) {
a.notifyAll();
}
}
}
}
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