import com.google.common.collect.Lists;
import com.google.common.collect.Maps;

import java.util.*;
import java.util.stream.Collectors;

public class TestObj {
    public static void main(String[] args) throws Exception{
        List<Map<String,Object>> list = Lists.newArrayList();
        Map<String,Object> map1 = Maps.newHashMap();
        Map<String,Object> map2 = Maps.newHashMap();
        Map<String,Object> map3 = Maps.newHashMap();
        map1.put("betweenMinutes","1");
        map2.put("betweenMinutes","10");
        map3.put("betweenMinutes","5");
        list.add(map1);
        list.add(map2);
        list.add(map3);
        List<Map<String,Object>> sortOffsetAskForLeaveAnomalyList = list.stream().sorted(Comparator.comparing(e->Integer.valueOf(e.get("betweenMinutes").toString()))).collect(Collectors.toList());
        System.out.println(sortOffsetAskForLeaveAnomalyList);

        int total = sortOffsetAskForLeaveAnomalyList.stream().mapToInt(e->Integer.valueOf(e.get("betweenMinutes").toString())).sum();
        System.out.println(total);
    }


    public static int aa(){
        for (int i=0;i<=3;i++){

            if (i==2){
                return 2;
            }
        }
        return -1;
    }
}