Java Best Practices | Code for Interface Not for Implementation | PART-1
Welcome to Java best practices series. In Part 1, we will learn how to code for interface, not for implementation with an example.
Java best practices playlist at • Java Best Practices .
Always program for the interface and not for application; this will lead to flexible code that can work with any new implementation of the interface.
So use interface type on variables, return types of method or argument type of methods in Java.
Read a blog post on my website at https://www.javaguides.net/2020/03/co...
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