Tagged Questions

Object-oriented programming includes features such as data abstraction, encapsulation, messaging, modularity, polymorphism, and inheritance. Many modern programming languages now support OOP. From Wikipedia: Simple, non-OOP programs may be one "long" list of statements (or commands). More complex ...

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15 views

Overriding vs Data Fields - which is the better option?

For example, a custom component needs to know what String to paint as its title. Overriding CustomComponent c = new CustomComponent(){ @Override public String getTitle(){ return "A ...
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0answers
19 views

can public method call itself recursively

what for (potential usage): e.g. to use for recursive dir traversing (BTW: I know about RecursiveIterator) some (rough) idea example class some_class { public function some_method() { if ...
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1answer
4 views

Retrieve a property of a class as a collection

I'm working on a small project and got into some troubles trying to keep it OOP. I have a global variable: Public Stations As New Microsoft.VisualBasic.Collection() And 2 classess: Station & ...
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2answers
15 views

Undefined property and Undefined index when referencing a class from within another class

I am currently working on a large project for a client, and to help simplify things and make managing sessions easier I have made a session class, this means that if I ever change the way I manage my ...
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1answer
44 views

PHP, OOP, Different formulation

I am studying the differences between Abstract and Interface and I read some sentence saying A child class can only extend a single abstract (or any other) class, whereas an interface can extend ...
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1answer
14 views

Altering Domain Entities When Changing Persistence Layer

In my app, I've been using a DB that stored its IDs as strings. The DB also stored another property (Etag) for each document/row. Because of that, I've had my domain entities derive from this base ...
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14 views

implement a observer and iterator design pattern as a template

http://i.stack.imgur.com/IjfYc.png for this picture... How can implement observer and iterator pattern for player and room class. Thanks.
2
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1answer
21 views

JavaScript configuration manager class

I want to be able to instantiate a JavaScript object as follows: var c = new MyConfig({ 'server': 'servername', 'kfc': true, 'code': true, 'test': true }); Something like that. I ...
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1answer
17 views

Creating a Database Class — Where to Store Credentials?

Working on a mobile app that needs to use a public API for accessing a database (but this won't affect the question). Anyway, I am using PHP with MySQL and the Android/iPhone app will make POST ...
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4answers
47 views

Passing Superclasses to C# Functions (With a Java overture)

It's been a while since I did anything with Java OOP, so I'm a bit rusty and wanted some clarification. In Java, if I remember correctly, one could declare a superclass and instantiate a subclass; ...
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1answer
36 views

OOP Pattern for Shared Functionality (e.g. Logger) in JavaScript

I need recommendations for how to program common functionality into my JavaScript application. For example, there are these classes: Main, Logger, App and Template. Main creates an instance of App ...
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6answers
65 views

Counting objects without RTTI

I'm having a problem that makes me feel rather daft. In a hobby project, I have a std::list of pointers to an interface class, which point to various concrete implementations of said interface. For ...
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votes
2answers
88 views

Difference between object and instance in python?

This happens in python2.7 I am working on the idea of meta class in python, almost all the tutorial refer object as instance of a class, in python. However, when playing with the class A(): form of ...
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3answers
46 views

Using A String Value As the Name of a Function to Be Called

I want to be able to do something like this: var MyObject = function(prop) { this.property = prop; }; var stringVar = 'MyObject'; var myObject = new stringVar(1); // This doesn't work. ...
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2answers
35 views

Confusion: Endless arrays within arrays inside my class' data members. Bad class design?

Let's assume there are three classes: Sponsor{id[int], name[string], sponsoredProjects[array of Project objects]} Project{id[int], name[string], desc[string], sponsors[array of Sponsor objects]} ...

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