程序代码：

import java.awt.*;
import *;
import java.awt.event.*;
class Ex1 
{
    public static void main(String[] args) 
    {
        try
        {
            Runtime ce=Runtime.getRuntime();
            ce.exec("java Ex1");
            File file=new File("C:\\windows","Notepad.exe");
            ce.exec(file.getAbsolutePath());
        }
        catch (Exception a)
        {
        }
    }
}