Question

为什么这个JAVA小程序不能实现小程序查看器窗口的不断移动呢？

package xcx;
import java.awt.*;
import java.applet.*;
import java.net.*;
public class Move4 extends Applet implements Runnable
{
URL url;
int x;
int y;
public void init()
{
try
{
url=new URL("file:/E:/workspace/song.mid");
}
catch (MalformedURLException e)
{
e.printStackTrace();
}
resize(400,300);
}
public void start()
{
Thread th=new Thread(this);
th.start();
play(url);
}
public void move()
{
x=(int)(Math.random()*500);
y=(int)(Math.random()*300);
setLocation(x,y);
}
public void run()
{
try
{
for(int i=0;i<20;i++)
{
move();
Thread.sleep(100);
}
}
catch(Exception e){}
}
}

Answer 1

看代码貌似没问题
极可能是异常抛出
给下面异常捕捉加上printSackStrace看看