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Q&A

Welcome to Software Development on Codidact!

Will you help us build our independent community of developers helping developers? We're small and trying to grow. We welcome questions about all aspects of software development, from design to code to QA and more. Got questions? Got answers? Got code you'd like someone to review? Please join us.

Posts tagged oop

Synonyms: object-oriented-programming

3 child tags

For questions about using object-oriented programming (OOP).

This tag doesn't have a detailed wiki yet.

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Q&A When would one not want to return an interface?

Consider the following method as an example: List<int> Foo() { // ... } Are there any disadvantages of returning an interface instead of a concrete implementation in C#? IList<i...

3 answers  ·  posted 1y ago by Moshi‭  ·  last activity 10mo ago by matthewsnyder‭

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Q&A How to define an object with different subclasses in an if-statement?

Note: I asked this question on TopAnswers a couple weeks ago, but didn't get any response, so I figured I'd ask it here. I am currently learning C++. I have a parent class (Vehicle) and two subc...

1 answer  ·  posted 1y ago by Trevor‭  ·  edited 1y ago by Alexei‭

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Q&A Is partial allocation of an object Undefined Behavior?

Is it valid to partly allocate an object, as long as you only use the allocated part of it? #include <stdio.h> #include <stdlib.h> struct s { int i[100]; }; int main(void) {...

1 answer  ·  posted 1y ago by alx‭  ·  last activity 1y ago by Lundin‭

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Q&A How to do private encapsulation in C?

I'm using an object-oriented design for my C project and trying to implement classes with private encapsulation. How do I do this? Some things I've tried that are problematic: Using a struct f...

1 answer  ·  posted 2y ago by Lundin‭  ·  last activity 1y ago by Lundin‭

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Q&A What allows a string slice (&str) to outlive its scope?

As a relative newcomer to Rust, I'm trying to understand the behaviour of lifetimes, but I am confused by the following code: let s: &str = "first"; let mut r: &str = s; println!("First ...

2 answers  ·  posted 2y ago by deleted user  ·  last activity 2y ago by Moshi‭

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Q&A Why object-oriented instead of class-oriented?

I understand that in object-oriented programming, an object is an instance of a class. If it's an instance, I misunderstand why does it need the term object at all (we could just say "instance"). ...

4 answers  ·  posted 2y ago by deleted user  ·  last activity 2y ago by hkotsubo‭

Question terminology oop
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Q&A What's the difference between Inheritance and Polymorphism?

I'm using Java code as an example, but this can be answered if you don't know Java. class Bird{ public void sing(){ System.out.println("Testing"); } } class anClass ex...

2 answers  ·  posted 2y ago by deleted user  ·  edited 2y ago by Alexei‭

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Q&A Are there practical reasons for designing a method-only class/object?

Are there practical reasons for designing/implementing a method(s)-only class/object? Follow-up background notes: This question is for languages that are not exclusively Object-Oriented, for exam...

3 answers  ·  posted 2y ago by CodeFarmer‭  ·  last activity 2y ago by hkotsubo‭

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Q&A Did functional programming predated Object oriented programming or rather the opposite?

By "functional" I don't mean "procedural" (i.e. I don't mean to programming which is done solely or primarily with these data structures commonly known as "functions" but are actually procedures), ...

2 answers  ·  posted 3y ago by deleted user  ·  last activity 3y ago by nelson777‭