Question

I have had this doubt for a long time . I download a project from the internet . It has the entire set .(The source and the other resources) . I want to build a jar file using eclipse . This might sound simple but since its downloaded from the internet this structure looks confusing and i am unaware as to how a jar file has to be built out of that

Answer 1

in eclipse select project 
    1:right click on project 
    2: select export
    3:java then jar