This story was originally published on HackerNoon at: https://hackernoon.com/code-to-an-interface-everything-you-need-to-know.
How often have you heard "Code to an interface"? I'm sure, at least a few times, and I know it can be hard to understand at first. So let's see what it means.
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"Code to an interface" never made sense to me. I questioned the need to create an interface and then implement it. How do I determine when and where to use these interfaces? If you're experiencing this, know that we've all been there. Let's help you understand why you need to "Code to interface".

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