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Binyamin Friedman14,615 Points
Why make an interface?
I didn't really understand what the point of using an interface is.
james southFront End Web Development Techdegree Graduate 33,271 Points
in java there is no multiple class inheritance, you can only use one, but you can implement multiple interfaces to inherit their additional functionality.
there is a long and illustrated the answer here too https://softwareengineering.stackexchange.com/questions/145437/why-use-an-interface-when-the-class-can-directly-implement-the-functions
that one finally made it click to me