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  1. 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 …

  2. 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 …

  3. 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 …

  4. 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 …

  5. 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.

  6. 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 …

  7. 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. …

  8. Constructor of an abstract class in C# - Stack Overflow

    Apr 8, 2011 · An abstract class can have constructor and destructor. An abstract class cannot be a sealed class because the sealed modifier prevents a class from being inherited.

  9. java - Should I initialize variable within constructor or outside ...

    Instead of defining and calling a private constructor from all other constructors, you could also define an instance initializer, which will automatically be called before every constructor. That …

  10. 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.