Top "Constructor" questions

A special type of subroutine called at the creation of an object.

Java default constructor

What exactly is a default constructor — can you tell me which one of the following is a default constructor and …

java constructor default-constructor
Interface defining a constructor signature?

It's weird that this is the first time I've bumped into this problem, but: How do you define a constructor …

c# interface constructor
What is a clean, pythonic way to have multiple constructors in Python?

I can't find a definitive answer for this. As far as I know, you can't have multiple __init__ functions in …

python constructor
How to invoke the super constructor in Python?

class A: def __init__(self): print("world") class B(A): def __init__(self): print("hello") B() # output: hello In all …

python class inheritance constructor superclass
Constructor overload in TypeScript

Has anybody done constructor overloading in TypeScript. On page 64 of the language specification (v 0.8), there are statements describing constructor overloads, …

typescript constructor overloading
Multiple constructors in python?

Possible Duplicate: What is a clean, pythonic way to have multiple constructors in Python? Is it not possible to define …

python constructor
How do I get a PHP class constructor to call its parent's parent's constructor?

I need to have a class constructor in PHP call its parent's parent's (grandparent?) constructor without calling the parent constructor. // …

php class oop inheritance constructor
Javascript "Not a Constructor" Exception while creating objects

I am defining an object like this: function Project(Attributes, ProjectWidth, ProjectHeight) { this.ProjectHeight = ProjectHeight; this.ProjectWidth = ProjectWidth; this.ProjectScale = …

javascript object constructor typeerror
Creating an object: with or without `new`

Possible Duplicate: What is difference between instantiating an object using new vs. without This is probably a basic question, and …

c++ constructor new-operator destructor
Why do this() and super() have to be the first statement in a constructor?

Java requires that if you call this() or super() in a constructor, it must be the first statement. Why? For …

java constructor