
What's the difference between an object initializer and a constructor?
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 constructor …
function - Purpose of a constructor in Java? - Stack Overflow
Nov 13, 2013 · A constructor is used to create an instance of the class Card. And you'll need to call it 52 times to have 52 cards: new Card(1, "hearts"), etc. Now each instance of Player (you also need 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. …
What are the rules for calling the base class constructor?
Apr 4, 2021 · 1189 Base class constructors are automatically called for you if they have no argument. If you want to call a superclass constructor with an argument, you must use the subclass's constructor …
oop - Constructors in JavaScript objects - Stack Overflow
Jul 11, 2009 · Using Nick's sample above, you can create a constructor for objects without parameters using a return statement as the last statement in your object definition.
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 object into a …
Can a struct have a constructor in C++? - Stack Overflow
In C++ the only difference between a class and a struct is that members and base classes are private by default in classes, whereas they are public by default in structs. So structs can have constructors, …
c# - Call asynchronous method in constructor? - Stack Overflow
Apr 14, 2014 · By making the constructor private and keeping the static method within the same class we have made sure that no one could "accidentally" create an instance of this class without calling …
Constructor overload in TypeScript - Stack Overflow
Oct 3, 2012 · I want to do constructor overloading in TypeScript. On page 64 of the language specification (v 0.8), there are statements describing constructor overloads, but there wasn't any …
constructor - C# member variable initialization; best practice? - Stack ...
May 27, 2015 · One can then avoid calling the constructor except through factory methods which in case of exception will call Dispose on the partially-created object. This protection will allow for cleanup of …