只做了一点点
package bbb;
import java.util.Scanner;
public class Pand {
public static void main(String[] args)
{ int a;
Scanner in =new Scanner(System.in);
System.out.print("请输入一个数:");
a=in.nextInt();
if(a%2!=0)
System.out.println(a+"是奇数");
else System.out.println(a+"是偶数");
}
}