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This module is part of a sub-collection of modules designed to help you learn to program computers.
This module explains how to get started programming using the Java programming language.
In addition to an Internet connection and a browser, you will need the following tools (as a minimum) to work through the exercises in these modules:
The minimum prerequisites for understanding the material in these modules include:
I recommend that you open another copy of this document in a separate browser window and use the following links to easily find and view the listings while you are reading about them.
Writing Java code is straightforward. You can write Java code using any plain text editor. You simply need to cause the output file to havean extension of .java.
There are a number of high-level Integrated Development Environments (IDEs) available, such as Eclipse and NetBeans, but they tend to be overkill for the relatively simple Java programsdescribed in these modules.
There are also some low-level IDEs available, such as JCreator and DrJava, which are very useful. I normally use a free version of JCreator, mainly becauseit contains a color-coded editor.
So, just find an editor that you are happy with and use it to write your Java code.
Perhaps the most complicated thing is to get your computer set up for compiling and running Java code in the first place.
You will need to download and install the free Java JDK from the Oracle/Sun website. As of November, 2012, you will find that website at (External Link)
There is a 64-bit version of the JDK, which works well on my home computer and on my office computer. However, some older computers may not be able tohandle the 64-bit version. A 32-bit version is provided to be used on older computers.
Whether you elect to use the 32-bit or 64-bit version is strictly up to you. Either of them should do the job very nicely.
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