[hardwired]

Code:

try{
    BufferedReader object=new BufferedReader(
                          new InputStreamReader(System.in));
        boolean goAgain = true;
        do {
            System.out.println("Eneter string value:");
            String s=object.readLine();
            // Can "s" be null?
            int len=s.length();
            System.out.println(len);
            if(len == 0)
                goAgain = false;
        } while(goAgain);
    object.close();
}
catch(Exception e){}