Nested classes are classes that are declared as members of other classes or scopes. Nesting classes is one way to better organize your code. For example, say you have a non-nested class (also known as ...

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 ...

Everything in Java is an object, except primitives like int. Turns out that small caveat has big implications for the language, which have compounded over the years. This seemingly minor design ...

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 ...

Remote Method Invocation (RMI) is an application programming interface (API) in the Java programming language and development environment. It allows objects on one computer or Java Virtual Machine ...