List 分批处理

1.Google Guava

<dependency><groupId>com.google.guava</groupId><artifactId>guava</artifactId><version>31.0.1-jre</version></dependency>List<String> 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<List<String>> 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

<dependency><groupId>org.apache.commons</groupId><artifactId>commons-collections4</artifactId><version>4.4</version></dependency>List<String> 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<List<String>> 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

<dependency><groupId>cn.hutool</groupId><artifactId>hutool-all</artifactId><version>5.7.14</version></dependency>
List<String> 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<List<String>> 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]]