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Why are we implementing, for example ICloneable or IDisposable. I’m not asking what ICloneable or IDisposable do, but I want to learn what’s a good reason to implement these interfaces rather than just writing a method which disposes or clones our objects?
Using interfaces keeps the use of those pieces of functionality consistent. That way, when another class wants to / needs to use your class, it can act on it as a cloneable, disposable object without worrying about your particular implementation details.