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…

JDBC Connection Pooling Explained with HikariCP

We will talk about all the things about the JDBC connection pool and its implementation using…

How to Achieve Greatness in JDBC Performance

Let’s talk about the JDBC best practices in Java. It will greatly improve the JDBC code…