public static void main(String args[]){
          {
                String user = "user";
                String password = "password";
                String host = "hostName";
                int port=22;


                //String remoteFile="/home/john/test.txt";
               // String yes="yes";

                try
                    {
                     JSch jsch = new JSch();
                        Session session = jsch.getSession(user, host, port);
                            session.setPassword(password);
                           session.setConfig("StrictHostKeyChecking", "no");
                        System.out.println("Establishing Connection...");
                        session.connect();
                     Channel channel=session.openChannel("exec");


                ((ChannelExec)channel).setCommand("ssh myServerName");//after this it'll ask for confirmation and password
                     channel.connect();




        InputStream output= channel.getInputStream();

                System.out.println("aafter stream");
        int readByte= output.read();
               StringBuilder outputBuffer=new StringBuilder();
               while(readByte != 0xffffffff)
                {
             //   System.out.println("read byte"+readByte);

                outputBuffer.append((char)readByte);
                readByte = output.read();

                }
System.out.println(outputBuffer.toString());
                channel.disconnect();



                    }
                catch(Exception e){System.err.print("error message"+ e);}
                }
      }