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Java Language Basics

Now that you have a general idea about Java and its related terms and tools, we will start discussing Java as a programming language.

This chapter will introduce the basic concepts of Java as an object-oriented programming (OOP) language. You will learn about classes, interfaces, and objects, and their relations. You will also learn the concepts and features of OOP.

In this chapter, we will cover the following topics:

The basic terms in Java programming
Classes and objects (instances)
Class (static) and object (instance) members
Interface, implementation, and inheritance
OOP concepts and features
Exercise – Interface versus abstract class

We call them basics because they are the founding principles of Java as a language, ...

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