/**
 * 典型案例：子執行緒執行10次，主執行緒執行100次，兩者交替50次。
 */
package cn.itcast.lesson4;
public class TestWaitNotify {
	public static void main(String[] args){	
		final Business business= new Business();
		new Thread(
				new Runnable() {		
					public void run() {
						for(int i=1;i<=50;i++){
							business.sub(i);
						}
					}
				}	
		).start();
		for(int i=1;i<=50;i++){
			business.main(i);
		}
	}
}
class Business{
	private boolean bShouldSub = true;
	public synchronized void sub(int i){
		//如果bussiness呼叫sub的話，則【!bShouldSub =false，bShouldSub=true】;
		//然後主執行緒main為等待，執行完sub後就bShouldSub=false；喚醒主執行緒main。
		while(!bShouldSub){
			try {
				this.wait();
			} catch (InterruptedException e) {
				e.printStackTrace();
			}
		}
		for(int j=1;j<=10;j++){
			System.out.println("sub thread sequence of "+j+",loop of "+i);
	}
		bShouldSub = false;
		//喚醒main 
		this.notify();
	}
	public synchronized void main(int i){
		while(bShouldSub){
			try {
				this.wait();
			} catch (InterruptedException e) {
				e.printStackTrace();
			}
		}
		for(int j=1;j<=100;j++){
			System.out.println("main thread sequence of "+j+",loop of "+i);
		}		
		bShouldSub = true;
		//喚醒sub
		this.notify();
	}
}