JAVA学习day97--线程异步运行

package day10;

public class Thread_joio {
	public static boolean isFinish = false;
	public static void main(String[] args) {
		final Thread download = new Thread(){
			public void run(){
				System.out.println("down：开始下载图片...");
				for(int i=0;i<=100;i++){
					System.out.println("down"+i+"%");
					try{
						Thread.sleep(50);
					}catch(InterruptedException e){
						e.printStackTrace();
					}
				}
				System.out.println("down:图片下载完毕！");
				isFinish = true;
			}
		};
		Thread show = new Thread(){
			public void run(){
				System.out.println("show:开始显示图片...");
				
				try{
					download.join();
					}catch(InterruptedException e){
						e.printStackTrace();
					}
			if(!isFinish){
				System.out.println("图片下载失败！");
			}
			System.out.println("show:显示图片完毕！");
			}
		};
		download.start();
		show.start();
		

	}

}