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.

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 ...

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.

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

Need to disassemble a Java class file? Want to look at the bytecode instructions generated from compiling source? These javap tool examples will show you how to use the javap command properly.