List 分批处理

1.Google Guava

            com.google.guava
            guava
            31.0.1-jre
 

List tempList = Arrays.asList("水星","金星","地球","火星",
"冥王星","土星","天王星","海王星","冥王星","木星");
// size 是把集合拆分的大小，size 为表示拆分成拆分的集合大小为3，
// 后面不足3的有多少算多少
List> partition = Lists.partition(tempList, 3);
System.out.println(partition);

[[水星, 金星, 地球], 
[火星, 冥王星, 土星], 
[天王星, 海王星, 冥王星], 
[木星]]

2.apache commons

            org.apache.commons
            commons-collections4
            4.4
        

List tempList = Arrays.asList("水星","金星","地球","火星","冥王星","土星","天王星","海王星","冥王星","木星");
List> partition = ListUtils.partition(tempList, 6);
 
System.out.println(partition);

[[水星, 金星, 地球, 火星, 冥王星, 土星],
 [天王星, 海王星, 冥王星, 木星]]

3.Hutool

            cn.hutool
            hutool-all
            5.7.14
        
List tempList = Arrays.asList("水星","金星","地球","火星","冥王星","土星","天王星","海王星","冥王星","木星");
 List> partition = ListUtil.partition(tempList, 5);
 
 System.out.println(partition);

[[水星, 金星, 地球, 火星, 冥王星], 
[土星, 天王星, 海王星, 冥王星, 木星]]