Classes and objects in Java must be initialized before they are used. You’ve previously learned that class fields are initialized to default values when classes are loaded, and that objects are ...

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In Part 1, I provided an overview of available persistence mechanisms and their implementations, and introduced the Java Data Objects (JDO) approach to persistence. In Part 2, I conclude this series ...

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 ...