摘要: package com.li;public class Switch01 { public static void main(String[] args) { //若没有break就会造成case穿透 //switch用于匹配一个具体的值 char grade ='p'; switch(grade) 阅读全文
posted @ 2021-11-26 22:22 随顾 阅读(31) 评论(0) 推荐(0)
摘要: package com.li;//JDK新特性,可以用字符串表达,字符的本质是数字//反编译 java···class(字节源码文件)...IDEApublic class Switch02 { public static void main(String[] args) { String name 阅读全文
posted @ 2021-11-26 22:21 随顾 阅读(25) 评论(0) 推荐(0)
摘要: package scanner;import java.util.Scanner;public class IfDemo01 { public static void main(String[] args) { Scanner scanner=new Scanner; System.out.prin 阅读全文
posted @ 2021-11-26 00:11 随顾 阅读(28) 评论(0) 推荐(0)