W3School TIY Editor

public class Main { static void checkAge(int age) { if (age < 18) { throw new ArithmeticException("访问拒绝 - 您必须年满18周岁。"); } else { System.out.println("访问允许 - 您已达到年龄要求！"); } } public static void main(String[] args) { checkAge(15); } }