The Jakarta Persistence API (JPA) is a specification that defines a standardized framework for data persistence. Persistence is the fundamental mechanism for saving and retrieving data over time. In ...

Community driven content discussing all aspects of software development from DevOps to design patterns. Here are the most important concepts developers must know when they size Java arrays and deal ...

This program focuses on encapsulation, Arraylist, Getters and setters, constructor chaining, toString method and provides functionality by various options to user to add, remove, update, search ...

Stephen is an avid Nintendo, Indie, and retro gamer of 30 years who dabbles in Xbox, mainly in the form of binge sessions of Overwatch. He's a history buff, an aspiring writer of short fiction, and a ...

One of the first indicators of a runtime performance problem is a high Java CPU usage report from a JVM profiler or Java monitoring tool. Unfortunately, high Java CPU utilization problems on Windows ...

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In this blog we will learn how to iterate over the elements of a collection (here we considered ArrayList) using generics and without generics. First we will go through the process of using iterator ...