public class MyClass {

​

  // 使用名为age的int变量创建一个checkAge()方法

  static void checkAge(int age) {

​

    // 如果age小于18，则打印“access granted”

    if (age < 18) {

      System.out.println("Access denied - You are not old enough!");

​

    // 如果年龄大于等于18，则打印“Access granted - You are old enough!”

    } else {

      System.out.println("Access granted - You are old enough!");

    }

​

  }

​

  public static void main(String[] args) {

    checkAge(20); // 调用checkAge方法并传递20

  }

}

​

// 输出 "Access granted - You are old enough!"