constructor-chaining Questions
7
Solved
In Java, is there any way to initialize a field before the super constructor runs?
Even the ugliest hacks I can come up with are rejected by the compiler:
class Base
{
Base(String someParameter)...
Leggett asked 28/3, 2013 at 12:58
9
Solved
I know that this is supposedly a super simple question, but I've been struggling with the concept for some time now.
My question is, how do you chain constructors in C#?
I'm in my first OOP cla...
Ox asked 29/11, 2009 at 7:56
2
Solved
I was doing some testing and stumbled upon the following:
You can overload methods in PoShv5 as you wish. If you call the method without parameters, it can internally call the method with paramete...
Girasol asked 7/6, 2017 at 12:52
4
Solved
i'm looking to understand
virtual
override
overload
reintroduce
when applied to object constructors. Every time i randomly add keywords until the compiler shuts up - and (after 12 years of deve...
Quixotism asked 6/10, 2010 at 19:8
7
Solved
In C#, when you do
Class(Type param1, Type param2) : base(param1)
is the constructor of the class executed first, and then the superclass constructor is called or does it call the base construc...
Machismo asked 10/12, 2009 at 17:40
3
Solved
These are from the spring amqp samples on github at
https://github.com/SpringSource/spring-amqp-samples.git
what type of java constructors are these? are they a short hand for getters and setters?...
Bettiebettina asked 9/2, 2012 at 2:20
6
Solved
Update: gutted the question with a simpler example, that isn't answered
by the originally accepted answer
Given the following class, and its ancestor:
TComputer = class(TObject)
public
const...
Kopaz asked 6/10, 2010 at 15:46
4
Solved
My understanding of constructor chaining is that , when there are more than one constructors in a class (overloaded constructors) , if one of them tries to call another constructor,then
this proce...
Hopfinger asked 8/9, 2011 at 13:54
1
Solved
Before I started using Code Contracts I sometimes ran into fiddlyness relating to parameter validation when using constructor chaining.
This is easiest to explain with a (contrived) example:
clas...
Reliance asked 12/6, 2013 at 13:59
4
Solved
I would like my default constructor to create & initialize all the objects shown in my code snippet. Then I would like my parameterized constructor to call the default constructor, thus creatin...
Ferromagnesian asked 2/12, 2009 at 4:52
2
Solved
I have a parent class that has an overloaded constructor, and I have a subclass that has a constructor with optional parameters. Is there a way to have the subclass's constructors still expose the ...
Fakir asked 6/5, 2011 at 18:55
4
Solved
I want to know how to change the order of execution when chaining constructors in C#. The only methods I have seen require the chained constructor to be called first, outside of the current constru...
Inoperable asked 24/3, 2011 at 23:13
2
Solved
Say I have the following:
class Base {
public Base (int n) { }
public Base (Object1 n, Object2 m) { }
}
class Derived : Base {
string S;
public Derived (string s, int n) : base(n) {
S = s;...
Beebe asked 26/2, 2011 at 12:17
3
Solved
If you chain constructor calls using the syntax:
public frmConfirm(): this(1)
When is the overloaded constructor called?
Also, can somebody confirm that, if the class is a form problems will arise...
Gibe asked 5/1, 2011 at 22:16
3
Solved
Here's two simple classes, initially both have no keywords (virtual, overload, override, reintroduce):
TComputer = class(TObject)
public
constructor Create(Teapot: Integer);
end;
TCellPhone = cl...
Comeaux asked 8/10, 2010 at 17:44
4
Solved
Today Recently on Stackoverflow i learned that:
reintroduce is used to hide ancestor constructors
reintroduce is used to show ancestor constructors
i've been trying to make sense of it all, so ...
Soriano asked 6/10, 2010 at 21:31
4
Solved
Update: The example i originally had was kind of complex. Here's a simple 8 line example that explains everything in one code block. The following does not compile gives a warning:
TComputer = cla...
Victorie asked 6/10, 2010 at 20:14
7
Solved
I'm trying to get a better understanding of general practice... specifically deriving this() in a constructor. I understand that its less code, but I consider it less readable. Is it common/good pr...
Molten asked 19/8, 2010 at 17:37
2
Solved
My motivation for chaining my class constructors here is so that I have a default constructor for mainstream use by my application and a second that allows me to inject a mock and a stub.
It just...
Hallock asked 23/3, 2010 at 23:50
7
Before the this keyword is a colon. Can anyone explain what the colon means in this context? I don't believe this is inhertance.
Thanks
using System;
namespace LinkedListLibrary
{
class ListNo...
Phocomelia asked 1/7, 2009 at 20:17
7
Solved
Every now and then, I bump into syntax that I've seen before, but never used. This is one of those times.
Can someone explain the purpose of ":this" or ":base" following a C# constructor method?
...
Placement asked 3/12, 2008 at 19:16
1
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