All Questions
Tagged with programming-practicesobject-oriented-design
38 questions
36votes
8answers
3kviews
Is OOP becoming easier or harder? [closed]
When the concepts of Object Oriented Programming were introduced to programmers years back it looks interesting and programming was cleaner. OOP was like this Stock stock = new Stock(); stock.addItem(...
13votes
3answers
27kviews
Is it a better practice pre-initialize attributes in a class, or to add them along the way?
I'm sorry if this is a ABSOLUTELY sophomoric question, but I'm curious what the best practices are out there, and I can't seem to find a good answer on Google. In Python, I usually use an empty class ...
- 233
8votes
10answers
3kviews
What should be first - functionality or design? [duplicate]
I've started reading a book from Head First series about OOP and Design. In a first chapter it is stated I have to worry about design of my application just after basic functionality is ready. Basic ...
- 698
7votes
4answers
864views
Do some best practices depend on skill?
Is there evidence that some software development best practices depend on programming skill level? I mean, these methods are good, but maybe the way the are used or the extent might vary? This ...
- 2,221
6votes
3answers
38kviews
Best OOP Practice in C#: Passing the Object as Parameter VS Creating a New Instance of the Object
First of all, I would like to know if passing an object as parameter is much better than creating another object again in a class that will use it again and second what are the pros and cons of each ...
- 163
6votes
4answers
35kviews
A DTO class having an ArrayList of its own type - is this considered a good design?
I came across a DTO class like the below one. class PersonDTO { private String firstName; private String middleName; private String lastName; private String dob; // some 50 fields ...
- 127
6votes
3answers
12kviews
Trying to come up with a mapping convention for C# objects
so this is C# but it could apply to any OO language where different sets of objects exist across different layers of an application. We have been trying to come up with a convention within the team ...
5votes
2answers
8kviews
Design pattern for processing a huge CSV file -- Java
I am learning design patterns in Java and also working on a problem where I need to handle huge number of requests streaming into my program from a huge CSV file on the disk. Each CSV line is one ...
- 61
4votes
3answers
1kviews
Passing object or using the field
I would like to know what is a more appropriate way to code in Java. Is it generally better to pass entire objects in the method's parameters or just using the fields from the class? Using the field: ...
- 163
4votes
4answers
539views
Is it better to generate a large list during the constructor or when it's accessed?
I've got a class member function that generates a large list and puts it into a private member variable so it can be accessed through a getter. The generation of this list is a rather intensive ...
4votes
3answers
1kviews
Turning structural code into object oriented code
This is a bit experimentation from my part because I had written a lot of procedural code back in my school days hence I have trouble in thinking in OOP way i.e. to find proper classes and ...
- 2,186
4votes
1answer
1kviews
How to implement a facade correctly
I have read multiple websites on this topic but none of them gave me a 'good' solution for the problem I am having. The problem is described in the following (related) questions: How do I couple the ...
- 59
4votes
2answers
3kviews
Separating Read / Write Responsibilities of a DB
We're working on a reporting system which has a clear write and a read path. For example writes will only happen after consuming events from a queue and reads will only happen when serving requests ...
- 149
3votes
4answers
780views
Is it a bad practice to have an interface method to tell whether it can handle an object?
interface Resolver { boolean canResolve(SomeInput input); SomeOutput resolve(SomeInput input); } public static void main(String[] args) { List<Resolver> resolvers = ...; ...
2votes
3answers
235views
Correctness of an implementation beyond the methods signature contract of an interface
Is there a programming principle/guideline that tackles the correctness of a implementation beyond the methods signature contract of an interface? Let's say we have a repository interface with two ...
- 53
