Java Tutorial 2: Download Java SE and Eclipse IDE

First thing that you need to download is Java Platform, Standard Edition or Java SE, which is a platform that will be used for programming in the Java language. It is the Java Platform used to deploy portable applications for general use. In practical terms, Java SE consists of a virtual machine, which must be used to run Java programs, together with a set of libraries (or "packages") needed to allow the use of file systems, networks, graphical interfaces, and so on, from within those programs.

Download Link for Java SE JDK 7u3, when finish downloading, install it on your computer.

The second think that you need to download is  Eclipse IDE for Java EE Developers, Eclipse IDE is the

software development environment that we are going to use for Java application development.

Download Link Eclipse IDE for Java EE Developers, when finish downloading, extract the file to a known location. Then are a few things that you need to do before you want to use Eclipse. In the extracted folder, find and run eclipse.exe, define a workspace and tick "use this as default and do not ask again". 

Now close the welcome screen and on the right-hand top corner, click "Java" .

Then, go to "window", "Preference", in the search box, type in "Text Editors" and tick "show line number".

Now you all set for JAVA coding!