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 ...

How to Start Learning Java: A U.S. News Guide Learning Java can help aspiring developers understand the foundations of programming because of the language’s wide usage and functionality.

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 Supplier interface tutorial. As you can see, the code for the class that implements Java’s Supplier interface is fairly simple. The only requirements are the class declaration and the ...