Abstract classes are classes which cannot be instantiated.
Possible Duplicate: How do you declare an interface in C++? This is a general question about C++. As you know, …
c++ interface abstract-classWhy is it possible to write constructor for an abstract class in C#? As far as I know we can't …
c# constructor abstract-classI'd like to test an abstract class. Sure, I can manually write a mock that inherits from the class. Can …
java unit-testing mocking abstract-class mockitoI was wondering when I should use interfaces. Lets think about the following: public abstract class Vehicle { abstract float getSpeed(); } …
java oop inheritance interface abstract-classI'm originally a Java programmer who now works with Objective-C. I'd like to create an abstract class, but that doesn't …
objective-c abstract-classIn C#, when should you use interfaces and when should you use abstract classes? What can be the deciding factor?
c# inheritance interface abstract-classI was wondering how to unit test abstract classes, and classes that extend abstract classes. Should I test the abstract …
java unit-testing testing abstract-classA curious thing happens in Java when you use an abstract class to implement an interface: some of the interface's …
java interface abstract-classSo I've been working on a homework on abstraction for my programming class and fell into a problem. The goal …
java inheritance abstract-class drawJava 8 allows for default implementation of methods in interfaces called Default Methods. I am confused between when would I use …
java interface java-8 abstract-class default-method