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 ...

An initializer that makes complex class initialization possible. A class block initializer consists of the static keyword, an open brace character, initialization code, and a close brace character.

One of the features that make Java so powerful, is its object-oriented structure. This means that Java uses classes and objects to create more scalable, modular, and organized code. This can be a ...

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Java Essentials Volume 2 provides structured pathway from Java fundamentals to advanced application development ...

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 ...

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 ...

It's not good enough to simply write code that works. That code must be easily maintained, enhanced and debugged when problems happen. One of the reasons why object-oriented programming is so popular ...