How to hide projects in Eclipse

If you have a lot of projects opened in Eclipse workspace, then you may want to hide some of then. For example you have the projects ProjA, ProjB, ProjC and you want to show only ProjB. Let's see how we can do this: first of all you have to close the projects you want to hide, right-clicking on them and selecting Close Project as shown below.

Then under the View Menu you should select Filters (or Customize View or Filter is not listed)...

And finally check Closed project:

To reopen them again uncheck Closed projects, right click on them and select open project.