Java

public class Daily_Test {
    public static void main(String[] args) {
        java.util.Scanner s = new java.util.Scanner(System.in);
        System.out.println("请输入年龄：");
        int age = s.nextInt();
        if(age<0 || age>150)
        {
            System.out.println("对不起，年龄不合法");
        }
        else if(age<=5)
        {
            System.out.println("婴幼儿");
        }
        else if(age<=10)
        {
            System.out.println("少儿");
        }
        else if (age<=18)
        {
            System.out.println("青年");
        }
        else if (age<=35)
        {
            System.out.println("青年");
        }
        else
        {
            System.out.println("老年");
        }

    }
}