I have Base and Derive class at the below which related to polymorphism (Latebinding) : class Base { .... }; class Derive:public Base { .... }; int main() {
I'm new at programming and I'm learning Python. The code should be very simple. The goal should be implement a calculator that does additions between numbers. I
I've been trying to figure out how to do this most of the after noon, and I'm either not getting something, or I'm approaching things wrong. I'm currently worki
I have a parent and child class, where a parent's method returns an instance of the child. Both classes are in separate files classA.py and classB.py. In order
right now i am learning c++ and oop in c++.I usually practice on Codeforces,but i didn't get any use of object oriented programming for solving any problems.So
http://tutorials.jenkov.com/ood/understanding-dependencies.html#whatis says that (emphasis mine): Whenever a class A uses another class or interface B, then
class Peoples { late int id; late String name; static final Peoples _inst = Peoples._internal(); Peoples._internal(); factory Peoples() { retur
Consider the following code class Foo: i = 1 # initialization def __init__(self): self.i += 1 t = Foo() print(t.i) When exactly does the ini
Many Architects and Engineers recommend Dependency Injection and other Inversion of Control patterns as a way to improve the testability of your code. There's n
I use a user-defined type (UDT) in Oracle 18c called ST_GEOMETRY: The ST_Geometry storage type ST_Geometry in Oracle SQL functions used with ST_Geometry I have
#include<iostream.h> #include<conio.h> class time { private: int dd,mm,yy; public: friend istream & operator >>(is
I have three classes: Shape, Rectangle and Circle. Shape is parent of two other class. definition of this classes is in following code: #include <iostream>
I have a class of utilities that I use all over my app it contains a method to format numbers class Utils { static numberFormater () { return new I
I'm modeling a owner/ownee scheme on Swift: class Owner<T: Ownee> { // ... } protocol Ownee { var owner: Owner<Self> { get } } Then I h
I am not able to understand, if prediction is calculated in forward method, then why there is need "out = self(images)" and what it will do. I am bit confuse ab
Consider two classes A and B class A { public: A(int); ~A(); }; class B : public A { public: B(int); ~B(); }; int main() { A* aobj; B
I've got a class Foo with public and protected properties. Foo needs to have a non-static method, getPublicVars() that returns a list of all the public propert
I'm wondering whether situation exists where casting is completely necessary. I'm talking here about casts between classes, not basic types. Is casting (be it
Per MSDN: A static constructor does not take access modifiers or have parameters. A static constructor is called automatically to initialize the class before t
As I understood both Adapter and Proxy patterns make two distinct/different classes/objects compatible with each for communication. And both of them are Structu