CIS 260 IOapalooza2.java

Code

/*
    IOapalooza2.java
    CIS 260
    David Klick
    2006-01-18

    This program demonstrates simple console I/O using a
    Scanner and a PrintStream. It also demonstrates
    a simple input loop and basic data validation.
*/

import java.util.Scanner;
import java.util.InputMismatchException;

public class IOapalooza2 {
    public static void main(String[] args) {
        Scanner kbd = new Scanner(System.in);
        int sum = 0;
        while (true) {
            System.out.print("Enter an integer (QUIT to exit): ");
            try {
                int num = kbd.nextInt();
                sum += num;
            } catch (InputMismatchException e) {
                if (kbd.nextLine().equalsIgnoreCase("QUIT")) break;
                System.out.println("Illegal integer");
            }
        }
        System.out.println("The total is " + sum);
    }
}