In every Java program, there needs to be a method called main, as this tells Java where the program starts. ... One more easy concept we can introduce in this Java tutorial is how to use methods.

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 ...

This tutorial presents the basics of functional programming. ... These functions are not the same as the functions used in imperative programming, such as a Java method that returns a value.

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 ...

Java without a main method. Historically, Java devs have had to code a main method every time they want to run a tiny snippet of code, a tedious and annoying requirement. IDEs such as Eclipse and ...