Shenanigans

A beginner’s appraoch to JAVA

Scribbled on Thursday, January 3rd, 2008

Updated on: 02 August, 2008 at 11:51 PM IST

So here I am again with something related to programming after a long time.

Why JAVA ?

• Its Portable (write once and run anywhere)
• Its Reusable (Follow the concept of OOP- object oriented programming)
• Its Modular (A problem can be divide into smaller modules and worked through efficiently)
• Rich set of Classes/Libraries (You never need to reinvent the wheel)

Prerequisites :

• Basic Class and Object concepts (C++)
• Any programming language basic knowledge
• Good logical skills (for hardcore programming)

Getting Started:

• First you should have JAVA JDK installed with JAVA runtime environment
• Download it from here JAVA 1.6 JDK
• Click on Accept radio button and proceed with the offline installation (the first file of 65.64MB).
• After downloading install it.
• Now after the installation has finished you have to set the path of the JAVA bin directory to provide javac compiler while compiling JAVA programs.
• For windows press “WIN + Pause Break” key or go to START> My Computer > right click and select properties.
• Now go to advanced tab > clcik on Environment Variables
• Click on New button in User variables
• Give the Variable name as “path” (without quotes)
• Give Variable value as the path to the bin directory inside the JAVA installation direcory as “C:Program FilesJavajdk1.6.0_03bin” here I have installed JAVA in C: drive.
• Stop, Thats all for setting up things to start with a hello world program in next section
• Here is the stepwise procedure with screen shots to supplement the above text for the environment variable setup

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