How to Select Specific Folders or Files As Input in Flink

Select specific folder in Flink Batch Job. When given a root path you can decide which…

How to Use partitioningBy Collector in Java Stream API

To use the partitioningBy Collector, you have to pass the Collectors.partitioningBy in the collect() method of…

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…