Runtime class - Invoke script and see result

import java.lang.*;
import java.io.*;

// Execute a system command such as "ls -l" and see the result that would
// be sent to stdout.
// For example, 'java b "ls -l"'
public class b {
   public static void main (String args[]) {
      InputStream is = null;
      try {
	 is = Runtime.getRuntime().exec(args[0]).getInputStream(); 
      } catch (IOException e) {}

      BufferedReader br = new BufferedReader(new InputStreamReader(is));
      try { 
	 String str;
	 while ((str = br.readLine()) != null) { 
	    System.out.println(str); 
	 }
      } catch (Exception e) {}
   }
}