Java Stream平均值的最大值

import java.util.Arrays;
import java.util.List;
import java.util.OptionalDouble;

public class Main {
    public static void main(String[] args) {
        List<Integer> numbers = Arrays.asList(1, 2, 3, 4, 5, 6, 7, 8, 9, 10);

        OptionalDouble maxAverage = numbers.stream()
                .mapToInt(Integer::intValue)
                .average();

        if (maxAverage.isPresent()) {
            System.out.println("平均值的最大值：" + maxAverage.getAsDouble());
        } else {
            System.out.println("集合为空");
        }
    }
}