Suppose I have a class Parent, which has four fields A, B, C, and D, so that C and D are optionally passed or initialized using the default implementation:
open class Parent(val a: A, v
Tag: classes
OOP – UML inheritance – Why is the arrow direction from subclass to the parent class?
In the above image, class B inherits class A. If B inherits all methods of A, shouldn’t the arrow go from A to B? In my opinion, if the arrow is from A to B, it will make more sense.
Is there
Day24_2014 days of the 24th day – object-oriented three major features, duck types, class constraints, depth analysis of Super
day24 Three Object-Oriented Features Inheritance, encapsulation, polymorphism Encapsulation: Put a bunch of things (code, data) in one place (space), and you can use it
class Student: def __