It sounds like this should have answered the question:
- http://www.avajava.com/tutorials/lessons/what-is-a-working-set-and-how-do-i-use-it.html
A Working Set is a subset of your Eclipse projects. You can create
different Working Sets and then select which Working Set to display in
the Navigator view.
Specifically:
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“Working set” (in this particular context), is an “Eclipse thing”
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The purpose of Eclipse working sets is to help organize your projects
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A project consists of “stuff”: source code, bitmap graphics files, WSDL’s, CSS style sheets – just about anything imagineable.
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Consequently, Eclipse projects are organized (glancing at my J2EE perspective, for example) into subsections like “src”, “WebContent”, “Services” and so on. A project itself can be one of many different types: a “Java project”, a “Java Swing Design project”, and “Dynamic Web Project” and so on.
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Similarly, an Eclipse Working set can be one of several different types: a “Java working set”, a “Breakpoint working set … and a “Resource working set”.
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As with Eclipse “Views” and Perspectives”, you can usually access any project resource you need any time you need it. Selecting one or another perspective simply makes the object (e.g. “Problems pane” or “Build list”) easier to get to.
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Which kind of “Working Set” you choose – or whether or not you use working sets at all – is largely just a matter of personal preference and convenience.
Please let us know if you still have any further questions.
PS:
Additional links:
https://www.ibm.com/developerworks/library/os-eclipse-visualstudio/
As mentioned, many developers load all their projects into a single
Eclipse workspace. It’s convenient, but it can sometimes create too
much clutter. In addition to closing unnecessary projects, you can
define working sets: groups of elements (projects, folders, classes,
etc.). Eclipse can use working sets in different views (such as
Package Explorer) and operations (like searching).
…and:
help.eclipse.org: Working Sets