RectangleArea Java Advanced2

package JavaSyntax;

import java.util.Scanner;

public class P01_RectangleArea1 {
    public static void main(String[] args) {
        Scanner scanner = new Scanner(System.in);

        double sideA = 0;
        double sideB = 0;

        if (scanner.hasNextInt()) {
            sideA = scanner.nextInt();
        } else if (scanner.hasNextDouble()) {
            sideA = scanner.nextDouble();
        }
        if (scanner.hasNextInt()) {
            sideB = scanner.nextInt();
        } else if (scanner.hasNextDouble()) {
            sideB = scanner.nextDouble();
        }

        double area = sideA*sideB;

        System.out.printf("%.2f", area);
    }
}