2020-12-03条件判断/while、switch语句/do while 循环/for循环
if else 条件import java.util.Scanner;public class TestIf{ static final int CH_AGE = 18; static Scanner inScanner = new Scanner(System.in); public static void main(String []args){ int age = 12; System.out.println("请输入您的年龄回车继续"); age = inSca
