In this chapter, we have discussed a way to organize and keep track of modifications of source files that are usually necessary for the development of software projects. We have introduced the CVS, SVN, and Git version control systems that can be considered the most popular ones nowadays. We have given special attention to Git, which is a trend technology, because it is a recently introduced distributed option.

In the next chapter, we will discuss how to deal with graphical programming using one of the most-used Eclipse APIs: the SWT.