Java Collector API - java.util.stream.Collectors - toList toSet counting joining groupingBy toMap

Java Collector API collect() - a Terminal Operation on a Stream API How collect() work on Stream API ? What is input output of collect() ? How to implement - interface java.util.stream.Collector Factory class- java.util.stream.Collectors - toList(), toSet(), toCollection(), counting(), joining(), partitioningBy(), groupingBy(), toMap(), filtering(), mapping(), flatMapping() ==================================================== Knowledge Sharing YouTube:    / knowledgesharingg   Knowledge Sharing Blog: https://depthinjava.blogspot.com/ Stock Market YouTube:    / @stocksmarketupdates   Stock Market Blog: https://stocksmarketupdates.blogspot.... LinkedIn:   / ajay-nirankari-a7537140   Facebook:   / ajaynirankari   Twitter:   / ajaynirankari   GitHub: https://github.com/ajaynirankari Telegram: https://t.me/BasicKnowledgeSharing ==================================================== Knowledge Sharing Knowledge Sharing KnowledgeSharing KnowledgeSharingG #Knowledge Sharing #Knowledge #Sharing #KnowledgeSharing #KnowledgeSharingG