Hey guys! Today we are looking at some of the newer features added to Interfaces in Java 8 and beyond.
For a long time, interfaces could only have abstract methods, but that changed in Java 8. We will start by looking at how to use Default and Static methods inside your interfaces. Then, we will look at Private methods (added in Java 9) to help clean up your code. We also tackle the famous "Diamond Problem" that can happen when using default methods, and wrap up with a final comparison of Abstract Classes vs Interfaces using these new rules.
Hope this helps you understand modern Java interfaces! Let me know in the comments if you get stuck on anything.
⏳ Chapters:
0:00 - Default & Static Methods (Interfaces)
8:40 - Private Methods in Interfaces
10:10 - Diamond Problem with Default Methods
15:18 - Abstract vs Interface
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