如何在流中正确过滤集合？

import java.util.Arrays;
import java.util.List;
import java.util.stream.Collectors;

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

        // 过滤出偶数
        List<Integer> evenNumbers = numbers.stream()
                                           .filter(n -> n % 2 == 0)
                                           .collect(Collectors.toList());

        System.out.println(evenNumbers); // 输出: [2, 4, 6, 8, 10]
    }
}

List<Integer> evenNumbers = numbers.parallelStream()
                                   .filter(n -> n % 2 == 0)
                                   .collect(Collectors.toList());

List<Integer> evenNumbers = numbers.stream()
                                   .filter(Objects::nonNull)
                                   .filter(n -> n % 2 == 0)
                                   .collect(Collectors.toList());

import java.util.function.Predicate;

Predicate<Integer> isEven = n -> n % 2 == 0;
Predicate<Integer> isGreaterThanFive = n -> n > 5;

List<Integer> filteredNumbers = numbers.stream()
                                      .filter(isEven.and(isGreaterThanFive))
                                      .collect(Collectors.toList());