Interface with concrete classes
855
What does it mean to "program to an interface"?
48266
How can I get a list of all the implementations of an interface programmatically in Java?
131176
Collection versus List what should you use on your interfaces?
127808
Abstract class with all concrete methods
154776
When should we implement Serializable interface?
39482
Abstract, Interface, Classes OH MY - Question on Approach
79878
Casting an object to two interfaces at the same time, to call a generic method
69315
Should you always Code To Interfaces In Java
57017
Determining the extended interfaces of a Class
100925
Does an interface by default extend Object?
90903
Hibernate HQL with interfaces
103758
Why are interfaces not [Serializable]?
34360
Why would I want to use Interfaces?
65287
How to implement interface properties NOT in alphabetical order
6853
Interface vs Abstract Class (general OO)
144204
Implementing the same interface at different generic instantiations
38390
Is there more to an interface than having the correct methods