ProgBasicsJavaBook7.1ComplexLoop13enterEvenNumberWithTextI

import java.util.Scanner;

public class E13enterEvenNumberWithTextInput {
    public static void main(String[] args) {
        Scanner scanner = new Scanner(System.in);

        int n = 0;

        while (true){
            try {
                System.out.println("Enter even number: ");
                n = Integer.parseInt(scanner.nextLine());
                if (n % 2 == 0) {
                    System.out.printf("Even number entered: %d", n);
                    break;
                }
            }catch (Exception ex){
                    System.out.println("Invalid number.");
                }
            }

        }

    }