Why would I need to instantiate an implementing class with the interface type?
855
What does it mean to "program to an interface"?
77565
Should we @Override an interface's method implementation?
77381
Why don't Java Generics support primitive types?
80633
Java - declaring from Interface type instead of Class
112492
Why is there no multiple inheritance in Java, but implementing multiple interfaces is allowed?
75499
Determine if a Class implements a interface in Java
43837
Implementing interface properties in interfaces with a setter?
57860
Can we create an object of an interface?
31188
In Java when one interface extends another, why would one redeclare a method in a subinterface?
7323
What is the point of interfaces in PHP?
63715
What is the purpose for using an empty interface that extends another in Java?
116081
How can I refer to the class type a interface is implementing in Java?
103526
TypeLoadException says 'no implementation', but it is implemented
129614
Can we instantiate an abstract class directly?
21739
When to use abstract classes?
3519
Ioc/DI - Why do I have to reference all layers/assemblies in application's entry point?
115847
Why are C# interface methods not declared abstract or virtual?