Basic Java Tutorial - Introduction of Java, Its types, and Versions.

2. Basic Java Tutorial
This story is introduction about Java, Java applications and its version types. The
motive creating this list for freshers to understand the basics of java.
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What is Java?
Java is one of the popular programming language used by all the IT industry to
develop the application. Everyone’s know that Java is the high level programming
language, high secured and object oriented programming language. Java
programming language has it’s own run time environment called JRE (Java
Runtime Environment) and API. It is the main software tool used to build java
application. JRE is the combination of JVM (Java Virtual Machine), Core Classes,
and libraries.
Basic Java Example
Public class HelloWorld
{
Public static void main (string[] args) {
System.out.println(“Hello World”);
}
Types and Usage of Java Applications
Stated by survey, more than 3 billion devices run by using java. Some of the example
devices run by java applications.
 Standalone Application
Desktop Application or Window Based Applications
 Web Applications
Web Application
 Enterprise Applications
Banking and other industry Applications
 Mobile Application
Mobile Based Applications
 Embedded System
 Robotics and Games etc.

3. Versions of Java Application:
In Java currently four kind of version is available. That are,
Java Standard Edition (Java SE)
Java Standard edition is the basic java programming platform. It is the collection of
Java Application Programming interface (API). The APIs are java.lang, java.io,
java.net, java.util, java.sql, java.math and etc.
J2EE (Java Enterprise Edition)
Generally it is called J2EE by java professionals and it is advanced version of java
mainly used to build web based application and enterprise based applications. It is the
combination of Servlet, JSP, Web Services, EJB, JPA and more.
Java Micro Edition (Java ME)
This version of java is used to build mobile device based applications.
JavaFX
This version has used to build wealthy mobile applications.
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