Introduction of Java (Part -1)

This tutorial is fully based on Core Java (J2SE), I will try to teach you each and everything in details

(With proper examples and definition as well as programs). 

Note- Don't panic, if you are unable to understand something or many things, just remember the names (Terms), I will explain everything later. …

Question - Why we should study Java?

Answer - Because

• It is a general-purpose language.
• It is Open Source and Most Popular.
• Its syntax is similar to C or C++, therefore it is easy to learn, use and maintain.
• Java is widely used by the IT companies.
• You can able to create Desktop Application as well as the Web Applications.
• You need Java to develop Andriod Applications.
• Need to learn Java for Testing purpose.
• Developing Java Application is very Simple because 80% work done by the API Developers as a Programmer you have to do only 20% of work (Business logics).    

Question - What Is JAVA?

Answer - Java is

• Programming Language,
• Object Oriented Programming Language,
• Simple, Secure and Robust,
• Platform Independent,
• etc...few more points understand later.

Question - Where Java Is Used?

Answer - According to sun-micro systems, 3.5 billion devices run on java.

• Desktop Application,
• Web Application,
• Mobile Application,
• Robotics (Embedded Systems),
• Games Etc.

Question - What are Various Java editions?

Answer - Java has 3 editions

• J2SE
• stands for Java Standard Edition.
• Desktop Application can be developed using J2SE.
• J2EE
• stands for Java Enterprise Edition.
• Web Sites can be Developed using J2EE. 
• J2ME
• stands for Java Mobile Edition.
• Mobile and Embedded things can be done using J2ME.