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.

The Java serialization tutorial In this Java serialization example, we will use both the ObjectOutputStream and the ObjectInputStream to save and retrieve the state of a simple JavaBean. The POJO will ...

In Java, nested classes are categorized as either static member classes or inner classes. Inner classes are non-static member classes, local classes, or anonymous classes.

Learn about serialization in Java with our comprehensive tutorial. We provide examples to help you understand how serialization works.