慕后端1209951
public class HelloWorld { public static void main(String[] args) { int age=50; String xx; if(age>100) xx="人妖"; else if(age>60) xx="老年"; else if(age>40) xx="中年"; else if(age>18) xx="少年"; else if(age>0) xx="童年"; System.out.println(xx); } }看看我的错误