What is the reason behind creating objects of sub-class using its super-class while using collections?
855
What does it mean to "program to an interface"?
55217
Why do this() and super() have to be the first statement in a constructor?
153366
Is there any benefit of using an Object Initializer?
50570
When to use an interface instead of an abstract class and vice versa?
103629
Why does object.__new__ work differently in these three cases
79879
Understanding Object.clone() in Java
42661
Good reasons to prohibit inheritance in Java?
127387
Why to use Polymorphism?
81709
Static nested class in Java, why?
81634
What is the difference between "Class.forName()" and "Class.forName().newInstance()"?
153259
What is the use of creating a constructor for an abstract class in Java?
9511
What does 'super' do in Python? - difference between super().__init__() and explicit superclass __init__()
99324
subclasses of pandas' object work differently from subclass of other object?
5495
Is List a subclass of List? Why are Java generics not implicitly polymorphic?
142824
Why can't this() and super() both be used together in a constructor?
77391
How to implement a super class, sub class relationship in the database?
14426
Why should I prefer to use member initialization lists?