package com.why;

import java.io.BufferedReader;
import java.io.InputStreamReader;
import java.io.OutputStreamWriter;
import java.io.PrintWriter;

public class Cmd {

    public static void main(String[] args) {
        try {
            //Process p = Runtime.getRuntime().exec(new String[] { "cmd", "/c", "dir" });
            Process p = Runtime.getRuntime().exec("cmd");

            PrintWriter out = new PrintWriter(new OutputStreamWriter(p.getOutputStream()), true);   
               out.println("cd c:\\");   
               out.println("dir");
               out.println("exit");   

               
            ///p.waitFor(10, TimeUnit.SECONDS);
            p.waitFor();

            BufferedReader input = new BufferedReader(new InputStreamReader(p.getInputStream(),"GBK"));

            String line = null;
            while ((line = input.readLine()) != null) {
                System.out.println(line);
            }

            input.close();
            out.close();

        } catch (Exception e) {
            e.printStackTrace();
        }

    }

}