public static void main(String[] args) {

        try {             Process pro = Runtime.getRuntime().exec("cmd /c java -version");             pro.waitFor();                         BufferedInputStream br = new BufferedInputStream(pro.getInputStream());             BufferedInputStream br2 = new BufferedInputStream(pro.getErrorStream());             int ch;             System.out.println("Input Stream:");             while((ch = br.read())!= -1){                 System.out.print((char)ch);             }             System.out.println("Error Stream:");             while((ch = br2.read())!= -1){                 System.out.print((char)ch);             }                    } catch (IOException e) {             e.printStackTrace();         }catch (InterruptedException e2) {             e2.printStackTrace();         }     }