java 求整数的奇偶性

import java.util.Scanner;

public class Liti8 {
    public static void main(String[] args) {
        Scanner in = new Scanner(System.in);
        System.out.println("整数");
        int a = in.nextInt();
        int b = a%2;
        if (b==0) {
            System.out.println("偶数");
        }else
            System.out.println("奇数");
    }
}