线程等待和释放的小麻烦(wait/notify)
class ThreadA extends Thread{
//线程同步的公共数据区
Object oa=null;
ThreadA(Object o){
this.oa=o;
}
//线程A执行逻辑
public void run(){
//线程同步区域，需要申请公共数据的锁
synchronized(oa){
System.out.println("ThreadA is running......");
for(int i=0;i<100;i++){
System.out.println(" ThreadA value is "+i);
if(i==50){
try {
//当前线程等待
Thread.currentThread().wait();
} catch (InterruptedException e) {
e.printStackTrace();
}
}//if(i==50)
}//for(int i)
}
}
}
/**
* 线程B：等待线程A放弃锁，然后获得锁并执行，完成后唤醒线程A
*/
class ThreadB extends Thread{
//线程同步的公共数据区
Object ob=null;
ThreadB(Object o){
this.ob=o;
}
//线程B执行逻辑
public void run(){
//线程同步区域，需要申请公共数据的锁
synchronized(ob){
System.out.println("ThreadB is running......");
for(int i=0;i<50;i++){
System.out.println(" ThreadB value is "+i);
