Classes, fields, methods, constructors, and objects are the building blocks of object-based Java applications. This Java tutorial teaches you how to declare classes, describe attributes via fields, ...

Do you need to know how to sort Java objects in a collection, array, or map? Here's how to use the Comparable and Comparator interfaces and avoid ClassCastExceptions. Programmers frequently need to ...

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 ...

Released in 1995, the philosophy behind Java is "write once, run anywhere." In other words, a program written in Java can theoretically run on any machine that supports it. While the implementation ...