In this post I would like to demonstrate one tool in eclicpse IDE that in my opinion is very usefully, the Local Version History.
Through this tool, we can control the changes in source code, before task or request is released. Eclipse record all modifications in source code automatically always we save our code, keeping this changes in a local history.
To use the local history is very simply, we only need do a right click in a our source code and in the context menu choose, team -> show local history
There you will can see all the modifications made in your code. Of course, this a local history, but can help in many situations.
You also can compare the versions, apply the changes etc.