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Today, I will talk to you about how to paginate list in java. Many people may not know much about it. In order to make you understand better, the editor has summarized the following content for you. I hope you can get something according to this article.

Import com.google.common.collect.Lists;import lombok.AllArgsConstructor;import lombok.Builder;import lombok.Getter;import lombok.NoArgsConstructor;import lombok.Setter;import java.util.Arrays;import java.util.List;import java.util.Optional;/** * pages list * / @ Getter@Setter@Builder@NoArgsConstructor@AllArgsConstructorpublic class PageResult {private List resultList; private String next; private long total / * * memory list paging * enter "0" for start from the beginning of traversal * when the returned next is "0" To the end of the list * * @ param start start * @ param limit limit * @ param list list * @ param T * @ return PageResult * / public static PageResult pageList (int start, int limit, List list) {List safeList = Optional.ofNullable (list) .orElseGet (Lists::newArrayList) Int maxIndex = safeList.size (); int nextIndex = start + limit; int fromIndex = Math.min (start, maxIndex); int toIndex = Math.min (nextIndex, maxIndex); String next = toIndex = = maxIndex? "0": String.valueOf (nextIndex); return PageResult. Builder () .resultList (safeList.subList (fromIndex, toIndex)) .next (next) .total (safeList.size ()) .build ();} public static void main (String [] args) {PageResult pageResult = PageResult.pageList (0,2, Arrays.asList (1,2,3,4,5)) }} after reading the above, do you have any further understanding of how to page list in java? If you want to know more knowledge or related content, please follow the industry information channel, thank you for your support.

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