
What's the difference between an object initializer and a constructor?
Apr 11, 2009 · 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 …
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. …
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.
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 …
C# : assign data to properties via constructor vs. instantiating
Oct 2, 2013 · If your constructor has some logic to construct your object and it needs some parameters to use in construction, than object initializer may not fit your need. But in 'YOUR displayed' case is …
What are the rules for calling the base class constructor?
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 initialization …
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, …
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 …
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 …
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 constructor …