You can't put two __construct functions with unique argument signatures in a PHP class. I'd like to do this: class Student { protected $id; protected $name; // etc. public function __constru...

I have tried many solutions found in google by the keywords: multiple constructors, scala, inheritance, subclasses. None seems to work for this occasion. ImageView has three constructors: ImageVi...

Assume I have a non-copyable class with multiple constructors with like this class Foo: boost::noncopyable { public: Foo(std::string s) {...}; // construct one way Foo(int i) {...}; // constru...

I would like to have two constructors for a class, as follows: public MyClass() { // do stuff here } public MyClass(int num) { MyClass(); // do other stuff here } Is the above the correct wa...

How to implement php constructor that can accept different number of parameters? Like class Person { function __construct() { // some fancy implementation } } $a = new Person('John'); $b =...

In C# regarding the inheritance of constructors: I have read that constructors cannot be inherited. If the base class contains a constructor, one or more, the derived class have to always call on...

In the C++ programming for the absolute Beginner, 2nd edition book, there was the following statement: HeapPoint::HeapPoint(int x, int y): thePoint(new Point(x,y)) { } Is this equal to: HeapPoi...

is it possible to have more than one constructors for a class in javascript? i.e. one with zero parameters, one with one, one with two, etc... if so, how? thanks!

There seems to be no language syntax for specifying both a this() and a base() constructor. Given the following code: public class Bar : Foo { public Bar() :base(1) //:this(0) { } public Bar(...

Suppose I have class like class A{ public: A(int a, boost::shared_ptr<int> ptr){ // whatever! } }; My question is, what's the default value for that ptr? I'd like to be able to create ...

Suppose I have a Java class with multiple constructors: class Base { Base(int arg1) {...}; Base(String arg2) {...}; Base(double arg3) {...}; } How can I extend it in Scala and still provide a...

I'm starting to use MEF, and I have a class with multiple constructors, like this: [Export(typeof(ifoo))] class foo : ifoo { void foo() { ... } [ImportingConstructor] void foo(object par1) { .....

Given a finite number of items which differ in kind, is it better to represent them with stacked enums and enum constructors, or to subclass them? Or is there a better approach altogether? To give...