not being able to use methods of subclass using a reference variable that is of type superclass
855
What does it mean to "program to an interface"?
126921
Nonstatic method cannot be reference from a Static context
67378
Method chaining + inheritance don’t play well together?
75987
How do you use the non-default constructor for a member?
123280
`print` method for ReferenceClass
15836
Cannot refer to a non-final variable inside an inner class defined in a different method
144423
"No enclosing instance of type" error while calling method from another class in Android
23973
Impossible to use ref and out for first ("this") parameter in Extension methods?
73839
How to access an object from another class?
88963
How to return subtype in overridden method of subclass in C#?
64332
avoiding null reference exceptions
75006
Is there a way to prevent a method from being overridden in subclasses?
155563
When calling super() in a derived class, can I pass in self.__class__?
8283
Why does null reference print as "null"
91943
What is the use of "ref" for reference-type variables in C#?
98530
How does Python's super() work with multiple inheritance?
145465
Why can't static_cast be used to down-cast when virtual inheritance is involved?