
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 …
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 …
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. …
Why do we need a constructor in OOP? - Stack Overflow
Apr 30, 2017 · Constructor is a special member function which has same name as class name and called whenever object of that class is created. They are used to initialize data field in object.
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 …
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 I call a constructor from another constructor (do constructor ...
Nov 21, 2008 · When calling a constructor it actually allocates memory, either from the stack or from the heap. So calling a constructor in another constructor creates a local copy.
Constructor of an abstract class in C# - Stack Overflow
Apr 9, 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 abstract class, then …
What are the rules for calling the base class constructor?
Apr 4, 2021 · As you can see, the constructor of the base class is called in the initialization list. Initializing the data members in the initialization list, by the way, is preferable to assigning the values …
c# - Can constructors be async? - Stack Overflow
Nov 16, 2011 · Constructor acts very similarly to a method returning the constructed type. And async method can't return just any type, it has to be either “fire and forget” void, or Task. If the constructor …