When learning portal, a simple Java programming, we can use a text editor, such as: Notepad. However, Notepad is not powerful enough, we can consider using the "more powerful Notepad: Notepad ++.
When we really learning development, including the future in software development in the enterprise, the general use integrated development environment (IDE), the following three software is the most common, especially in eclipse. We only choose one to use as an entry, the other two of you to judge the whole, very simple to use.
eclipse official website: http://www.eclipse.org (free open source)
IntelliJ IDE official website: at http://www.jetbrains.com/idea (Note: This is a fee, but you can use a test version, integrated framework to facilitate post with a lot of tools to use, is the most used tools in the world)
NetBeans official website: https://netbeans.org/
