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  1. What are the rules for calling the base class constructor?

    1190 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 …

  2. c# - AutoMapper error: MapperConfiguration does not contain …

    Aug 16, 2025 · AutoMapper error: MapperConfiguration does not contain constructor that takes 1 arguments Asked 8 months ago Modified 8 months ago Viewed 3k times

  3. 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.

  4. Java Constructors - Stack Overflow

    Aug 21, 2016 · The constructor arguments allow you to provide parameters for the initialization of an object. In this example, you can create a Bicycle object with a gear of 1, cadence of 0, and a speed …

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

    Nov 13, 2013 · What is the purpose of a constructor? I've been learning Java in school and it seems to me like a constructor is largely redundant in things we've done thus far. It remains to be seen if a …

  6. 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 …

  7. 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.

  8. Can an abstract class have a constructor? - Stack Overflow

    Nov 4, 2008 · The same case applies to abstract classes. Though we cannot create an object of an abstract class, when we create an object of a class which is concrete and subclass of the abstract …

  9. Why do this () and super () have to be the first statement in a ...

    Jul 23, 2009 · The parent class' constructor needs to be called before the subclass' constructor. This will ensure that if you call any methods on the parent class in your constructor, the parent class has …

  10. .NET Core DI, ways of passing parameters to constructor

    Dec 21, 2018 · Having the following service constructor public class Service : IService { public Service(IOtherService service1, IAnotherOne service2, string arg) { } } What are the choices of