What is an interface's contract?
855
What does it mean to "program to an interface"?
8789
Can anonymous class implement interface?
100925
Does an interface by default extend Object?
10143
Why does (does it really?) List implement all these interfaces, not just IList?
14436
What is dependency injection?
32263
C# Interfaces. Implicit implementation versus Explicit implementation
103758
Why are interfaces not [Serializable]?
15691
Interface vs Base class
81041
Why an abstract class implementing an interface can miss the declaration/implementation of one of the interface's methods?
121498
Using HTML for interface?
69594
What is the difference between an interface and abstract class?
55202
Why doesn't an interface work but an abstract class does with a generic class constraint?
86705
Auto-generate an interface implementation in C#?
157290
Good detailed explanation of /etc/network/interfaces syntax?
83828
How do you find all implementations of an interface?
75561
Comment the interface, implementation or both?
92138
Is the C# "explicit implementation" of the interface present in Java?