Java - Input Validation with while loop

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Description

Input Validation with while loop

Demo

import java.util.Scanner;

public class InputValidation {

  public static void main(String args[]) {
    Scanner keyboard = new Scanner(System.in);
    System.out.print("Enter a number in the " + "range of 1 through 100: ");
    int number = keyboard.nextInt();

    // Validate the input.
    while (number < 1 || number > 100) {
      System.out.println("That number is invalid.");
      System.out.print("Enter a number in the " + "range of 1 through 100: ");
      number = keyboard.nextInt();//from  www . j a  v a 2  s.  c  om
    }
    keyboard.close();
  }
}

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