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- C++, What does the colon after a constructor mean?
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 body, first the default constructor is called, then the assignment operator is called
- function - Purpose of a constructor in Java? - Stack Overflow
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 constructor for that), can have a List (constructed using a constructor) of cards Read an introductory Java book, or the official Java tutorial
- Whats 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 and can be used to succinctly set any number of fields on the object to specified values
- Can I call a constructor from another constructor (do constructor . . .
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
- 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 list Unlike Java, C++ supports multiple inheritance (for better or worse), so the base class must be referred to by name, rather than
- Do constructors always have to be public? - Stack Overflow
The constructor is not always declared as public, it can also be private, protected, or default The private constructors prevent a class from fully and clearly expressed represented by its callers
- c# - Can constructors be async? - Stack Overflow
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 of type T actually returned Task<T>, that would be very confusing, I think If the async constructor behaved the same way as an async void method, that kind of breaks what constructor is meant to be
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