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  • JAVA实例,求用户输入的整数是否是偶数

    题目:用户能输入一个整数,输入后返回是偶数还是奇数。

    偶数规则:除以2能整除的数称之为偶数,否则是奇数

    实例:

    switch版

    import java.util.Scanner;
    public class Test{
        public static void main(String[] args){
            Scanner in    =    new Scanner(System.in);
            System.out.println("请输入一个整数");
            int num    =    in.nextInt();
            int num_p    =    num%2;    //取整除后的余数
            switch(num_p){
                case 0:
                System.out.println("偶数");
                break;    //跳出
                
                default:    //默认
                System.out.println("奇数");
            }
        }
    }

    if版

    import java.util.Scanner;
    public class Test{
        public static void main(String[] args){
            Scanner in    =    new Scanner(System.in);
            System.out.println("请输入一个整数");
            int num    =    in.nextInt();
            int num_p    =    num%2;    //取整除后的余数
            if(num_p==0){
                System.out.println("偶数");
            }
            else{
                System.out.println("奇数");
            }
        }
    }
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  • 原文地址:https://www.cnblogs.com/phpyangbo/p/java-oushu-shili.html
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