子线程循环10次，接着主线程循环100，接着又回到子线程循环10次， 接着再回到主线程又循环100，如此循环50次

package test;

public class ThreadTest {

/**
* @param args
*/
public static void main(String[] args) {
// TODO Auto-generated method stub
new ThreadTest().init();

}

public void init()
{
final Business business = new Business();
new Thread(
new Runnable()
{

@Override
public void run() {//子线程执行10次循环，信号灯灭（bShouldSub =false），挂起
for(int i=0;i<10;i++)
{
business.SubThread(i);
System.out.println("mSubThread-"+i);
System.out.println();
}
}

}

).start();

for(int i=0;i<50;i++)//主线程执行10次循环，信号灯亮（bShouldSub =false），主线程运行
{
business.MainThread(i);
System.out.println("mMainThreadt-"+i);
System.out.println();
}
}

private class Business
{
boolean bShouldSub = true;//这里相当于定义了控制该谁执行的一个信号灯
public synchronized void MainThread(int i)
{
if(bShouldSub)
try {
this.wait();
} catch (InterruptedException e) {
// TODO Auto-generated catch block
e.printStackTrace();
}

for(int j=0;j<100;j++)
{
System.out.println(Thread.currentThread().getName() + ":i=" + i +",j=" + j);
}

System.out.println(Thread.currentThread().getName() + ":i=" + i +"bShouldSub="+bShouldSub);
bShouldSub = true;
this.notify();

}

public synchronized void SubThread(int i)
{
if(!bShouldSub)
try {
this.wait();
} catch (InterruptedException e) {
// TODO Auto-generated catch block
e.printStackTrace();
}

for(int j=0;j<10;j++)
{
System.out.println(Thread.currentThread().getName() + ":i=" + i +",j=" + j);
}
System.out.println(Thread.currentThread().getName() + ":i=" + i +"bShouldSub="+bShouldSub);
bShouldSub = false;
this.notify();
}
}
}