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What is the purpose of interfaces in java?
I an asking purpose not just asking how it is used in Java :)
2 RĂ©ponses
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+ separate what a class does (interface) from how it does it (class implementation).
+ use it to achieve multiple inheritance.
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https://www.sololearn.com/discuss/580251/?ref=app
Could search the current Q&A first before posting questions :/