calling a class in another project Eclipse

Question

I have a project \"A\" and I need to call a class \"c\" from another project \"B\".

I have done the following. Click in \"A\" -->Properties -->Build Path --> and in

Answer 1

Put the Project B on the Build path, then do a Clean project from Project Menu option... and then use it..

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Click in "A" -->Properties -->Build Path --> Projects ---> Add the Project --->Ok