java执行cmd命令

import java.io.BufferedReader;
import java.io.IOException;
import java.io.InputStream;
import java.io.InputStreamReader;

public class Tests {
	
	
	public static void main(String args[]) {
		 String javaExcute="regedit";	//javaExcute为你要在CMD中执行的字符串

		 Process p;
		    try {
		      //执行CMD代码,返回一个Process
		      p = Runtime.getRuntime().exec(javaExcute);
		      InputStream is = p.getInputStream();
		      //得到相应的控制台输出信息
		      InputStreamReader bi = new InputStreamReader(is);
		      BufferedReader br = new BufferedReader(bi);
		      String message;
		      message =  br.readLine();      
		      while(message != null && !"".equals(message)){
		      //将信息输出
		        System.out.println(message);
		        message =  br.readLine();
		      }
		    } catch (IOException e) {
		      e.printStackTrace();
		      return;
		    }
		 }

}