If you’ve been hanging onto one Eclipse workspace for the last couple of years, you’ll probably have dozens of projects cluttering up your workspace. If you’re an Eclipse RCP developer, you may be sitting with around 50+ projects easily.
The thing is that you’ll often only work with 1 or 2 at a time, not the whole lot. And sometimes you want a convenient way of only browsing projects belonging to a specific product/feature/layer/any-other-grouping-that-makes-sense. Having all projects in a long list makes it difficult to manage and more difficult to browse.
That’s why the Package Explorer and Project Explorer have a nice feature that reduces the clutter and allows you to organise your project into categories that make sense. So instead of the Package Explorer looking unwieldy and flat like this,
it could look like this: