Java Interface Explained

Java Interface Tutorial, starting with fundamentals: what is an interface in Java, how do we create one, and why should you care?

00:00 What are interfaces in Java, why are interfaces useful?
01:11 Interface example 1: Logger
01:31 Interface example 2: UserStore
03:35 Interface example 3: 3rd party libraries
04:24 Interface constants
04:48 Implicit interface keywords
05:18 Java 8 default method
06:38 Java 8 static method
07:00 Java 8 functional interface (@FunctionalInterface)
09:07 Implementing multiple interfaces
10:01 Interfaces inheritance
10:32 Generic interface, Comparable interface
11:53 Summary

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