How to create a Multi-Database Pool in HikariCP

This Multi-Database HikariCP pool code aims to reduce the boilerplate code to a bare minimum, giving…

How to Use Batch in JDBC to Insert huge data

Prefer using plain JDBC for huge data migration. One record at a time is too slow,…

Every Programmer Needs these VSCode Extensions

Visual Studio Code aka VSCode extensions that every programmer needs to improve his or her productivity…

How to use groupingBy Collector in Java Streams

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

Interview Question: Final vs Finally vs Finalize

Difference between final, finally, and finalize in Java. Mostly the beginners face this question. Same name,…

The Magic of Java’s Reflection API

Read and modify the behavior of the class at runtime with Java's Reflection API. It is…

Every Programmer Needs these IntelliJ IDEA Plugins

Boost your productivity with these IntelliJ IDEA plugins. Every programmer should have these plugins.

How to Add SSL or TLS Certificate in Java

How to add SSL in Java with the help of keytool. Create your own truststore in…

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…

The Things I Love and Use from Java 11

Java 11 with Improved productivity and less repetition. No need of external libraries for small things.…