死锁
package com.xizi.lock;
import java.util.concurrent.TimeUnit;
public class DeadLock {
public static void main(String[] args) {
String lock1="lock1";
String lock2="lock2";
new Thread(new MyThread(lock1,lock2),"abc").start();
new Thread(new MyThread(lock2,lock1),"abcd").start();
}
}
class MyThread implements Runnable{
private String lockA;
private String lockB;
public MyThread(String lockA,String lockB){
this.lockA=lockA;
this.lockB=lockB;
}
@Override
public void run() {
synchronized (lockA){
System.out.println(Thread.currentThread().getName()+"lock:"+lockA+"=>get:"+lockB);
try {
TimeUnit.SECONDS.sleep(2);
} catch (InterruptedException e) {
e.printStackTrace();
}
synchronized (lockB){
System.out.println(Thread.currentThread().getName()+"lock:"+lockB+"=>get:"+lockA);
}
}
}
}
解决问题