问当带注释的方法没有特定参数时如何抛出错误/警告

EN

import java.util.Arrays;

class Scratch {
  public static void main(String[] args) {
    int[] numbers = new int[] { 1, 2, 3, 4, 5, 6, 7, 8, 9 };
    Arrays.stream(numbers)
      .filter(number -> number % 2 == 0)
      .findFirst()
      .ifPresent(System.out::println);
    Arrays.stream(numbers)
      .filter(number -> number % 2 == 11)
      .findFirst()
      .ifPresentOrElse(System.out::println, () -> System.err.println("oops"));
  }
}