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 …
What's the difference between an object initializer and a constructor?
Apr 11, 2009 · 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 …
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
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 …
What are the rules for calling the base class constructor?
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 for b_, and c_ …
Can a struct have a constructor in C++? - Stack Overflow
Sep 10, 2023 · In C++ the only difference between a class and a struct is that members and base classes are private by default in classes, whereas they are public by default in structs. So structs can …
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.
C++: Where to initialize variables in constructor - Stack Overflow
Apr 16, 2015 · If you do not mention a variable in a class's initialization list, the constructor will default initialize it before entering the body of the constructor you've written. This means that option 2 will …
Can constructors throw exceptions in Java? - Stack Overflow
Sep 3, 2009 · Yes, constructors can throw exceptions. Usually this means that the new object is immediately eligible for garbage collection (although it may not be collected for some time, of …
c# - Call asynchronous method in constructor? - Stack Overflow
Apr 14, 2014 · By making the constructor private and keeping the static method within the same class we have made sure that no one could "accidentally" create an instance of this class without calling …