Interview Question: Comparable vs Comparator

most asked interview question, Comparable vs Comparator. Both beginners and experienced persons get this question in…

How to use groupingBy Collector in Java Streams

groupingBy is similar to GROUP BY of SQL since it groups and collects the objects based…

Iterating over List: Basic to Advance to Stream API

how you can iterate over a List, be it ArrayList, LinkedList or any other. Basic loop…

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

An unsung hero of the Java world, the Stream API which was added to Java 8…