What is an interface in programming?
An interface in programming is a contract that defines a set of methods and properties that a class must implement.
Can you give me an example of an interface?
Sure! For instance, in Java, you might have an interface called 'Animal' with methods like 'eat()' and 'sleep()'.
How does an interface differ from an abstract class?
An interface can only declare methods without implementation, while an abstract class can have both abstract and concrete methods.
Why would I use an interface instead of a class?
Using an interface allows for multiple inheritance and helps in defining a common behavior across different classes.
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