Get Integer method that uses a while loop to avoid the exception. - Java Language Basics

Java examples for Language Basics:while

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Description

Get Integer method that uses a while loop to avoid the exception.

Demo Code

import java.util.*;

public class GetInteger2
{
    static Scanner sc = new Scanner(System.in);

    public static void main(String[] args)
    {/* w  w  w.jav  a2s .co m*/
        System.out.print("Enter an integer: ");
        int i = GetInteger();
        System.out.println("You entered " + i);
    }

    public static int GetInteger()
    {
        while (!sc.hasNextInt())
        {
            sc.nextLine();
            System.out.print("That's not "
                + "an integer. Try again: ");
        }
        return sc.nextInt();
    }
}

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