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  1. Why do we need a constructor in OOP? - Stack Overflow

    2014年10月17日 · 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 …

  2. 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 …

  3. function - Purpose of a constructor in Java? - Stack Overflow

    2013年11月13日 · 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 …

  4. What's the difference between an object initializer and a …

    2009年4月11日 · 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 …

  5. Can I call a constructor from another constructor (do constructor ...

    2008年11月21日 · 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.

  6. C++, What does the colon after a constructor mean?

    2010年5月7日 · 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 …

  7. C# : assign data to properties via constructor vs. instantiating

    2013年10月2日 · Would you really want to have a constructor that has 20 different properties - especially when you only want to actually define one or two? Secondly, default values don't …

  8. 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 …

  9. How can I invoke asynchronous code within a constructor?

    2017年4月16日 · 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. …

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

    2015年3月15日 · 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 …