Java I/O Examples : How To Execute DOS Command In Java

Example

package com.freesamplecode.java.io;

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

public class ExecuteDOSCommandDemo {
 public static void main(String[] args){
  try{
   Process process = Runtime.getRuntime().exec("cmd /c dir");
   process.waitFor();
   
   BufferedReader br = new BufferedReader(new InputStreamReader(process.getInputStream()));
   
   String line = br.readLine();
   
   while(line != null){
    System.out.println(line);
    line = br.readLine();
   }
   
   System.out.println("done!!");
   
  }catch(IOException ex){
   ex.printStackTrace();
  }catch(InterruptedException ex){
   ex.printStackTrace();
  }
 }
}

Ouput

 Volume in drive D has no label.
 Volume Serial Number is F864-472E

 Directory of D:\ngoprek\FREESAMPLECODE

09/03/2016  07:47              .
09/03/2016  07:47              ..
09/03/2016  20:03               441 .classpath
07/03/2016  17:41               390 .project
07/03/2016  17:41              .settings
09/03/2016  20:03              bin
08/03/2016  04:37               980 mylog.log.0
09/03/2016  07:47                 0 newfile.txt
07/03/2016  17:42              src
               4 File(s)          1.811 bytes
               5 Dir(s)  34.930.794.496 bytes free
done!!

Screenshot

• Tweet
• Share
• Share
• Share
• Share