TheServerSide

5 ways to force Java garbage collection

As heap utilization approaches 100% and the inevitable OutOfMemoryError threatens to crash the production JVM, DevOps professionals who tend real-time Java ...
ZDNet

Creating data structures with the Java Collections Framework

The Java Platform provides the most commonly used data structures in the form of the Collections Framework, and it provides a rich API to operate on them. In this first article in a two-part series, I ...
TheServerSide

Java garbage collection interview questions and answers

If you're seeking a DevOps or developer position, where you will handle the runtime management of Java applications, you'll need to answer important Java garbage collection interview questions to land ...
InfoWorld

Interfaces in Java

Java interfaces are different from classes, and it’s important to know how to use their special properties in your Java programs. This tutorial introduces the difference between classes and interfaces ...
InfoWorld

When to use abstract classes vs. interfaces in Java

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. Abstract classes and ...