Anonymous inner classes have undesirable characteristics that can impact the performance of your application. First, the compiler generates a new class file for each anonymous inner class. The ...

Abstract classes and interfaces in Java serve fundamentally different purposes. Learn the differences between these Java language elements and how to use them in your programs.

Spring's application.properties file To demonstrate how the application.properties Spring configuration file works with the Spring @ConfigurationProperties annotation, we fill the file with a variety ...

This post explains how to use classes in Java to build objects and organize your code. Also learn: constructors, static methods, and more!