How to define a interface datatype?
66575
Why use an interface in Apex?
31009
How can I require a generic parameter to be an enum that implements an interface?
71499
Casting of objects to dynamic types at runtime
5146
Creating an ATL COM object that implements a specific interface
83828
How do you find all implementations of an interface?
134266
Casting a class to an unrelated interface
57017
Determining the extended interfaces of a Class
41010
Programming to an interface. How to decide where its needed?
69594
What is the difference between an interface and abstract class?
119009
What is an empty interface used for
79878
Casting an object to two interfaces at the same time, to call a generic method
139818
Why implement interface explicitly?
131726
How to make primitive type properties Optional?
5245
When should I use an interface in java?
73000
what is the actual use of interface in java?
102832
Difference between generic argument constrained to an interface and just using the interface
85865
Optional Methods in Java Interface