When we develop with eclipse, we usually build many types of projects, such as company projects, own projects, demo, and so on, and one project may have a main project and multiple reference packages, and if all of the packages are placed under a workspace, it will cause mixed, Project when the time is not clear which is which, find very difficult, if separate under different workspace, you need to open more than eclipse can, this will lead to a serious resource consumption, computer card, its inconvenient. So we need to consider how to implement the classification management with Eclipse's own functions.
Eclipse provides a folder-managed tool working sets, we can classify all the projects according to the project. Classification Management Open Package Explorer to view, set up a classification method as follows:
1. Package Explorer--> filter--> top level Elements---> Working sets
2. Package Explorer right key new--->other--->java---> Java Working set
3. Enter the name of working set to add/add all of your items into the new working set.
4.Selected Working Set, select the Working se you just created.