当计数> 100 Java流时分组依据

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

public class Main {
    public static void main(String[] args) {
        List<Integer> numbers = Arrays.asList(50, 60, 70, 80, 90, 100, 110, 120, 130, 140);

        Map<String, List<Integer>> groups = numbers.stream()
                .collect(Collectors.groupingBy(number -> {
                    if (number > 100) {
                        return "大于100";
                    } else {
                        return "小于等于100";
                    }
                }));

        System.out.println(groups);
    }
}

{大于100=[110, 120, 130, 140], 小于等于100=[50, 60, 70, 80, 90, 100]}