java-stream

英文: How to filter java stream and return only items starting with a list of provided substrings 问题 S...

英文: Using Java 8 how can I get count of consecutive characters in a string 问题 使用Java 8，如何在字符串中获得连续字符...

英文: Using stream to merge two list with updated values 问题 有没有更加优雅的方法将两个列表合并成第三个列表，如果值已更新，则从其中一个列表获取值...

英文: Group list of objects into Map<String, Boolean> with value being true if any object in gro...

英文: Is there performance impact of using `map() + stream()` vs `flatMapMany() + map()`? 问题 使用 map() ...

英文: Issue with sorting and creating map using java8 问题 I have a code like this: @Data public class P...

英文: Populating an existing Set<String> via Java 8 streams 问题 I am new to Java streams and func...

英文: How to optymalize iteration by list and calling method 问题 I would like to optimize my process of...

英文: using collection and if else statement in java in optimize way 问题 以下是经过翻译的代码部分： 我有下面的代码，它按预期工作，我...

英文: How to write lambda streams function to work with jsonobject with different keys and json array ...