Re: displaying prompts and reading user input question

From:
GArlington <garlington@tiscali.co.uk>
Newsgroups:
comp.lang.java.help
Date:
Thu, 28 Feb 2008 09:17:49 -0800 (PST)
Message-ID:
<6e2a04ea-c97a-4269-bd11-44d66020e217@s13g2000prd.googlegroups.com>
On Feb 28, 2:41 pm, Jason Hodge <hodge.ja...@gmail.com> wrote:

The following code was copied from O'Reilly's Java Examples in a
Nutshell. I slightly modified it to display the prompt and print out that
I wanted. My problem is that rather than displaying the "name>" prompt
and then waiting for user input, my program seems to want user input and
then displays a prompt. I am using Netbeans as my IDE.

Thanks for any help,
Jason

package test;
import java.io.*;

public class test {
    public static void main(String[ ] args) throws IOException {
        // This is how we set things up to read lines of text from the
user.
        BufferedReader in=new BufferedReader(new InputStreamReader
(System.in));
        // Loop forever
        for(;;) {
            // Display a prompt to the user
            System.out.print("name> ");
            // Read a line from the user
            String line = in.readLine( );
            // If we reach the end-of-file,
            // or if the user types "quit", then quit
            if ((line == null) || line.equals("quit")) break;
            // Try to parse the line, and compute and print the factorial
            try {
                int x = Integer.parseInt(line);
                System.out.println("yay");
            }
            // If anything goes wrong, display a generic error message
            catch(Exception e) { System.out.println("Invalid Input"); }
        }
    }

}

Output:

init:
deps-jar:
Compiling 1 source file to /home/Test/build/classes
compile:
run:
jason
name> Invalid Input

In the above output, I would think that it should be:

run:
name> Jason


Try to build it and run then, it maybe a weird problem with system.out
in your IDE...

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