How to use groupingBy Collector in Java Streams

Stream API's groupingBy is similar to GROUP BY of SQL since it groups and collects the…

Stream API: The Hero Without a Cape

The Stream API, included in Java 8, is utilised for processing collections of objects. Stream API…

Functional Interfaces To Become More Functional in Java

Using Functional interfaces provided by Java we can become more functional. And Knowing them would help…