interface

Question

guys what is meaning of "interface" ?

Answer 1

A "face" for user interaction. Used to get Input, Output and so on....

Answer 2

can u tell me deeply the meaning?

Answer 3

u can simple thought interface is function.
A Class have a function named "interfaceAToB"，
and in B Class，u can use "interfaceAToB"，so......This function is a interface that A class provided for B Class.