import java.io.*;

 



public class ProcessDemo

{

     public static void main(String args[]) throws Exception

     {

           Process process = Runtime.getRuntime().exec("tasklist.exe");

           InputStream standardOutput = process.getInputStream(),

                             standardError   = process.getErrorStream();

 

           int c;

           System.out.println(" [ Standard Output ]");

           while ((c = standardOutput.read()) != -1)

              System.out.print((char)c);

 

           System.out.println(" [ Standard Error ]");

           while ((c = standardError.read()) != -1)

              System.out.print((char)c);

 

           standardOutput.close();

           standardError.close();

     }

}//