打字猴:1.700451369e+09
1700451369
1700451370 Thread.sleep(1000);
1700451371
1700451372 }catch(Exception e){
1700451373
1700451374 //异常处理
1700451375
1700451376 }
1700451377
1700451378 System.out.println(name+“试图访问A.a2()”);
1700451379
1700451380 a.a2();
1700451381
1700451382 }
1700451383
1700451384 public synchronized void b2(){
1700451385
1700451386 System.out.println(“进入B.b2()”);
1700451387
1700451388 }
1700451389
1700451390 }
1700451391
1700451392 public static void main(String args[]){
1700451393
1700451394 final A a=new A();
1700451395
1700451396 final B b=new B();
1700451397
1700451398 //线程A
1700451399
1700451400 new Thread(new Runnable(){
1700451401
1700451402 public void run(){
1700451403
1700451404 a.a1(b);
1700451405
1700451406 }
1700451407
1700451408 },“线程A”).start();
1700451409
1700451410 //线程B
1700451411
1700451412 new Thread(new Runnable(){
1700451413
1700451414 public void run(){
1700451415
1700451416 b.b1(a);
1700451417
1700451418 }
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