most asked interview question, Comparable vs Comparator. Both beginners and experienced persons get this question in…
Tag: collection
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…
Most Loved Interview Question: How HashMap Works in Java
An interview cant be complete without this question. HashMap working contains most of the concept we…
Stream API: The Hero Without a Cape
The Stream API, included in Java 8, is utilised for processing collections of objects. Stream API…