Java - What, Where and Why? next>>
- Java - What, Where and Why?
- What is Java
- Where Java is used
- Java Applications
Java technology is wide used currently. Let's start learning of java from basic questions like what is java, where it is used, what type of applications are created in java and why use java?
What is Java?
Java is an object oriented, internet programming language.
Its main features are:-
Ø Platform Independence.
Ø Security.
Where it is used?
According to Sun, 3 billion devices run java. There are many devices where java is currently used. Some of them are as follows:
- Desktop Applications such as acrobat reader, media player, antivirus etc.
- Web Applications such as irctc.co.in
- Enterprise Applications such as banking applications.
- Mobile
- Embedded System
- Smart Card
- Robotics
- Games etc.
Types of Java Applications
There are mainly 4 type of applications that can be created using java:
1) Standalone Application
It is also known as desktop application or window-based application. An application that we need to install on every machine such as media player, antivirus etc. AWT and Swing are used in java for creating standalone applications.
2) Web Application
An application that runs on the server side and creates dynamic page, is called web application. Currently, servlet, jsp, struts, jsf etc. technologies are used for creating web applications in java.
3) Enterprise Application
An application that is distributed in nature, such as banking applications etc. It has the advantage of high level security, load balancing and clustering. In java, EJB is used for creating enterprise applications.
4) Mobile Application
An application that is created for mobile devices. Currently Android and Java ME are used for creating mobile applications.
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