Read a string from console using a DataInputStream

/* Read a string from console using a DataInputStream */

import java.io.*;   

class ReadDemo2
{
    public static void main(String args[ ]) throws IOException
    {
        //create a DataInputStream using System.in.
                DataInputStream in = new DataInputStream(System.in);   
             String str;

        System.out.println("Enter lines of text ");
        System.out.println("Enter 'stop' to quit ");
       
        do
        {
            str = in.readLine( );
            System.out.println(str);       
        }while(!str.equals("stop"));       
    }
}