Why do we need a constructor in OOP? - Stack Overflow
Oct 17, 2014 · The constructor IS the "Initialize function" Rather than calling two functions object = new Class; object.initialize(); You just call object = new Class(); The logic inside the …
What's the difference between an object initializer and a …
A constructor is a defined method on a type which takes a specified number of parameters and is used to create and initialize an object. An object initializer is code that runs on an object after a …
How can I invoke asynchronous code within a constructor?
Apr 16, 2017 · At the moment, I'm attempting to use async/await within a class constructor function. This is so that I can get a custom e-mail tag for an Electron project I'm working on. …
Can a struct have a constructor in C++? - Stack Overflow
45 As the other answers mention, a struct is basically treated as a class in C++. This allows you to have a constructor which can be used to initialize the struct with default values. Below, the …
C++, What does the colon after a constructor mean?
May 7, 2010 · An initializer list is how you pass arguments to your member variables' constructors and for passing arguments to the parent class's constructor. If you use = to assign in the …
When is it right for a constructor to throw an exception?
The constructor's job is to bring the object into a usable state. There are basically two schools of thought on this. One group favors two-stage construction. The constructor merely brings the …
c++ - Inheriting constructors - Stack Overflow
The compiler creates a default constructor (one with no arguments) and a default copy constructor (one with an argument which is a reference to the same type). But if you want a constructor …
Difference between Constructor and ngOnInit - Stack Overflow
Mar 3, 2016 · The Constructor is a default method of the class that is executed when the class is instantiated and ensures proper initialisation of fields in the class and its subclasses. Angular, …
Constructor of an abstract class in C# - Stack Overflow
Apr 8, 2011 · An abstract class constructor c# code example will be explained. But, the next question can also be arises, as if we cannot instantiate (construct an object using new) an …
Do constructors always have to be public? - Stack Overflow
Jun 23, 2015 · The constructor is not always declared as public, it can also be private, protected, or default. The private constructors prevent a class from fully and clearly …