package thread;


public class PrintSD {
	
	//定義列印的方法
	public synchronized void print(String str){
		notify();
		System.out.println(str);
		try {
			wait();
		} catch (InterruptedException e) {
			// TODO Auto-generated catch block
			e.printStackTrace();
		}
	}
	//定義列印奇數的執行緒類
	class A implements Runnable{


		@Override
		public void run() {
			// TODO Auto-generated method stub
			for(int i=1;i<100;i+=2){
				print("A"+i);
			}
		}
	}
	//定義列印偶數的執行緒類
	class B implements Runnable{


		@Override
		public void run() {
			// TODO Auto-generated method stub
			for(int i=2;i<=100;i+=2){
				print("B"+i);
			}
		}
	}
	
	public static void main(String[] args) {
		PrintSD p = new PrintSD();
		A a = p.new A();
		B b = p.new B();
		new Thread(a).start();
		new Thread(b).start();
	}
}