从键盘输入一个正整数，判断它是奇数还是偶数---Java

package practice.homework;
import java.util.Scanner;

public class JiOuPanDuan {
  public static void main(String[] args) {
    Scanner input = new Scanner(System.in);
    System.out.println("请输入一个正整数");
    int i = input.nextInt();
    if(i % 2 == 0) {
      System.out.println("偶数");
    }
    else
      System.out.println("奇数");
    
  }

}