- class Test implements Runnable{
- private boolean flag;
- Test(boolean falg){
- this.flag=flag;
- }
- public void run(){
- if(flag){
-
- while(true){
- synchronized(MyLock.locka){
- System.out.println("if locka");
- synchronized(MyLock.lockb){
- System.out.println("if lockb");
- }
- }
- }
- }
- else{
- while(true){
- synchronized(MyLock.lockb){
- System.out.println("else lockb");
- synchronized(MyLock.locka){
- System.out.println("else locka");
- }
- }
- }
- }
-
- }
- }
- class MyLock{
- static Object locka=new Object();
- static Object lockb=new Object();
- }
- public class DeadLockTest {
- public static void main(String[] args){
- Thread t1=new Thread(new Test(true));
- //Thread t2=new Thread(new Test(false));
- t1.start();
- //t2.start();
- }
- }
复制代码
为什么输出结果总是else lockb
else locka
else lockb
else locka
else lockb
else locka
else lockb
else locka
else lockb
else locka
else lockb
else locka
else lockb
else locka
,求大神给分析分析 |