Here's a quick look at the three types of class loaders and everything you need to know to work with them in your Java programs. Java class loaders are a component of the Java virtual machine (JVM) ...

Object-oriented systems are usually partitioned into layers of related responsibilities and only dependencies in one direction are allowed, from higher layers (more specific, less reusable) to lower ...

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 ...

Java is one of the most highly sought after programming languages, not to mention one of the two official languages for Android development. In this Java beginner course, we’ll go over the basics to ...

If you're not familiar with object-oriented programming, some of the concepts can be hard to understand, especially if you're a longtime procedural language programmer. Follow along as we take a look ...

Writing a Java application (see Android) that consumes a JSON API usually involves mapping the JSON objects to Java classes for use in the software. This is a tedious and repetitive task to say the ...

A Java string is a sequence of characters that exists as an object of the class java.lang. Java strings are created and manipulated through the string class. Once created, a string is immutable -- its ...