Java – Introduction

Java is a high level, robust, secured and Object-Oriented Programming Language and a Platform. Java has its run time environment, therefore it is called platform. There are two types of platforms namely software based and hardware-based. Java provides software-based platforms.

The Java platform is the predefined set of Java classes that exist on each Java installation; these classes are available for use by all Java programs. The Java Platform is also sometimes assigned to as the Java runtime environment or the core Java APIs (Application Programming Interfaces).