Java Introduction

• Java is a :-
  1. High-level, object-oriented programming language.
     • High-level: A language that is easy for humans to read, write, and understand (close to English).
     • Object-oriented: A way of programming where everything is designed using real-world objects like Student, Car, or Bank.
     • Programming language: A language used to give instructions to a computer to perform tasks.
  2. Platform because it provides an environment (JVM + JRE + libraries) to run applications.

Types of Java Editions

There are total 3 editions in Java which are as below :-

• 1. Java Standard Edition (Java SE)
  • Core Java platform used to build desktop, console, and basic applications.
  • Includes JVM, core libraries, and fundamental APIs.
• 2. Jakarta Enterprise Edition (Jakarta EE) (formerly Java EE)
  • Used for web applications and enterprise-level applications.
  • Supports technologies like Servlets, JSP, REST APIs and Microservices.
• 3. Java Micro Edition (Java ME)
  • Used for embedded systems and resource-constrained devices.
  • Common in IoT, smart cards and small devices.