Java Basics

• Java is a high level, robust, secured and object-oriented programming language.
• Desktop Applications such as acrobat reader, media player, antivirus etc.
• Applications such as banking applications.Mobile, Embedded System, Robotics, Games etc. 

1) Standalone Application: It is also known as a desktop application
An application that we need to install on every machine such as media player, antivirus etc. AWT & Swing can be used for creating standalone applications.

2) Web Application: An application that runs on the server side and creates a 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 

    eg-banking applications.

4) Mobile Application: An application that is created for mobile devices. Where it is used? According to Sun, 3 billion devices run Java. There are many devices where Java is currently used.

Features of Java

1. Simple 

2. Object-Oriented 

3. Portable 

4. Platform independent 

5. Secured 

6. Robust 

7. Architecture neutral 

8. Dynamic

9. Interpreted

10. HighPerformance 

11. Multithreaded 

12. Distributed or window-based application.

String Introduction
Interface
Arrays Introduction
Tree Introduction