java 之Scanner Random Math Date calendar stringbuder 拆装箱 object arryacost
摘要:
Scanner 输入 Scanner sc = new Scanner(System.in); int i = sc.nextInt(); import java.util.Scanner; public class Demo01_Scanner { public static void main( 阅读全文
posted @ 2021-01-18 23:42 奇迹969 阅读(69) 评论(0) 推荐(0) 编辑