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OOP QUESTIONS

What's the difference between entity and class?
What's the difference between entity and class?
around this issue A class is a template for an object (among other things), and is a very general concept.An entity has more semantic significance and is usually tied to a concept (possibly about a real object for example, an Employee or a Student or
TAG : oop
Date : November 17 2020, 07:01 PM , By : Erhan Ergin
OOP: how much program logic should be encapsulated within related objects/classes as methods?
OOP: how much program logic should be encapsulated within related objects/classes as methods?
hope this fix your issue I have a simple program which can have an admin user or just a normal user. The program also has two classes: for UserAccount and AdminAccount. The things an admin will need to do (use cases) include Add_Account, Remove_Accou
TAG : oop
Date : November 17 2020, 07:01 PM , By : Marko Zivojnovic
What's the most used philosophy of keeping independent concepts separate in OOP?
What's the most used philosophy of keeping independent concepts separate in OOP?
wish of those help The 1 principle is encapsulation - at least the colleges have that part right.Inheritance, polymorphism, cohesion, concision, coupling, dependency, etc... all these things really fall under that one umbrella.
TAG : oop
Date : November 07 2020, 07:01 PM , By : Rjt
What is Encapsulation and how can it defend abstractions against corruption?
What is Encapsulation and how can it defend abstractions against corruption?
I wish this helpful for you Let's say you have a class with public methods that you must use to perform some action. The specification of the class say that, in order to do this action, you must configure the class in a specific way (call this method
TAG : oop
Date : November 07 2020, 07:01 PM , By : raj kisor
Is it a good object-oriented-design practice to send a pointer to private data to another class?
Is it a good object-oriented-design practice to send a pointer to private data to another class?
Hope this helps Yes, this is violating encapsulation the same way as exposing your variables as public. Only more tricky, since it is harder to detect.So usually it should be avoided. There are cases when this might be necessary, and if you can be re
TAG : oop
Date : November 05 2020, 07:01 PM , By : MusicGeek
What is a good standard exercise to learn the OO features of a language?
What is a good standard exercise to learn the OO features of a language?
like below fixes the issue I can't imagine there could be a standard set of exercises that would naturally introduce OO features of a programming language to everybody. A lot of the introductory OO tutorials are full of Animals, Cats, and Dogs which
TAG : oop
Date : October 28 2020, 04:55 PM , By : user3853854
Why encapsulation is known as Data Hiding?
Why encapsulation is known as Data Hiding?
Does that help You are "hiding" data from users of your object that should be able to use it without needing to know about its internals.The main reason for this is to allow you to later change these internals without breaking the code that calls int
TAG : oop
Date : October 21 2020, 06:10 AM , By : Jeffrey Benjamin
Why private variables in a class are accessible here?
Why private variables in a class are accessible here?
Does that help I have just started to use D language and I was trying out some object-oriented code. , See the "D Lang" Wiki:
TAG : oop
Date : October 13 2020, 04:00 AM , By : Joey Morse
How to Combine Data From Different Bounded Context in DDD
How to Combine Data From Different Bounded Context in DDD
This might help you I assume the AuthService is in its designated bounded context for authentication and, Accounts is in that same bounded context too.Here are my answers:
TAG : oop
Date : October 13 2020, 01:00 AM , By : dsong01
How do I properly (idiomatically) do private members in dart?
How do I properly (idiomatically) do private members in dart?
it fixes the issue There is no "class private" in Dart, only "library private".The underlying design is based on the idea that a single library is one entity, created and edited by the same people with the same goals. You should not need to defend yo
TAG : oop
Date : October 12 2020, 01:00 PM , By : Josh
MVVM pattern in NativeScript - how to use one?
MVVM pattern in NativeScript - how to use one?
I think the issue was by ths following , The answer is either of it should work. You may put the validation or tap function in view model or in the code behind file, it's upto you to decide which works best for you.If you put it in the view model, yo
TAG : oop
Date : October 12 2020, 11:00 AM , By : Nexusmaster
Which design is better? Put this logic in frontend or backend?
Which design is better? Put this logic in frontend or backend?
hop of those help? You should just have the atomic call like copy(source, target) in the API. The copy function itself should not be related to a specific directory. It’s use case is to copy, not to determine the target directory.
TAG : oop
Date : October 12 2020, 08:00 AM , By : grelz
What Is the Proper Way to Model a Discussion Forum Entity Relationship in OOP?
What Is the Proper Way to Model a Discussion Forum Entity Relationship in OOP?
Does that help I'm not the guru of OOP design but I guess the answer heavily depends on your app logic.I think first of all you have to consider your objects as an entity that keeps own internal data in consistency. E.g., if the Post does not need to
TAG : oop
Date : October 11 2020, 12:00 AM , By : Vadim
Does interface belong to ad hoc polymorphism (i.e. overloading) or subtype polymorphism?
Does interface belong to ad hoc polymorphism (i.e. overloading) or subtype polymorphism?
will help you Types has not type hierarchy, but Typeclasses has. I wouldn't think about type classes as class inheritance, because you don't have the parent structure, you just have the signature. They may be seen as the classic interfaces of OOP lan
TAG : oop
Date : October 08 2020, 12:00 AM , By : wang yang
define generic TObjectList<T> that type T is determine at run time
define generic TObjectList<T> that type T is determine at run time
To fix the issue you can do Generic instantiation occurs at compile time and so you cannot specify the type parameter at runtime.As for what to do, it depends on the problem you are trying to solve.
TAG : oop
Date : October 07 2020, 07:00 PM , By : raouf_morsi
Flyweight/OOP design patterns in Julia
Flyweight/OOP design patterns in Julia
hop of those help? In the Julia world the best equivalent seems to be the Memoize package
TAG : oop
Date : October 06 2020, 08:00 AM , By : Ivanov Victor
What happens if I create an object of a class A but there also exist a duplicate class of A with same name?
What happens if I create an object of a class A but there also exist a duplicate class of A with same name?
I wish did fix the issue. You can't have two classes with same name in the same scope. This is no good:
TAG : oop
Date : October 05 2020, 01:00 PM , By : amhashem
What is the difference between processes/messages in Erlang and objects/messages in Smalltalk?
What is the difference between processes/messages in Erlang and objects/messages in Smalltalk?
wish helps you Processes in Erlang and Objects in Smalltalk are indeed the same thing.At first glance, this is not terribly surprising: Erlang is an Actor Model language. The Actor Model was invented by Carl Hewitt, who based the message-driven evalu
TAG : oop
Date : September 28 2020, 04:00 PM , By : Michsanuddin Wafa
What are the disadvantages of the ECS (Entity-Component-System) architectural pattern, compared to OOP (or other paradig
What are the disadvantages of the ECS (Entity-Component-System) architectural pattern, compared to OOP (or other paradig
To fix this issue Because of Unity ECS, I've been reading a lot about ECS lately. , Here's a few points I gathered from my research:
TAG : oop
Date : September 28 2020, 01:00 PM , By : SomeNameNotFake
How can you dynamically generate values for use with traits?
How can you dynamically generate values for use with traits?
wish of those help Trait application is set up during compilation, so we need a way to generate a value for it to use during compilation as well. This can be done using the BEGIN phaser, but this is better written with constant in this case.Constants
TAG : oop
Date : September 28 2020, 02:00 AM , By : Vinayak Pawar
How to implement around in Raku
How to implement around in Raku
will be helpful for those in need In Perl, using Moo, you can implement around subs, which will wrap around other methods in a class. , You can shadow the method with the role and then use callwith:
TAG : oop
Date : September 27 2020, 06:00 PM , By : Seyit Kafkas İlkuçar
Coupling - How does changing one module effect another OTHER THAN changing method signature or return type?
Coupling - How does changing one module effect another OTHER THAN changing method signature or return type?
I wish this help you Even though this is tagged "Java", I'm going to give a broader answer.Coupling is expressed in terms of what assumption module A makes when it uses module B. The more assumptions module A makes, the more it is coupled with module
TAG : oop
Date : September 27 2020, 06:00 AM , By : Deepak Singh
When is it okay to depend on concrete classes?
When is it okay to depend on concrete classes?
I wish this helpful for you In OOP, an object is the encapsulated combination of data and behavior. The data is hidden; the behavior is exposed. It is these objects to which the DIP applies. Ideally, these objects should be instantiated in a Composit
TAG : oop
Date : September 23 2020, 09:00 AM , By : Whorain
Passing a method vs. passing an interface in Kotlin
Passing a method vs. passing an interface in Kotlin
Any of those help In Kotlin both of these methods are correct and can be used depending on your use case. Unlike Java which was primarily an Object Oriented language but later included some functional programming features with the introduction of jav
TAG : oop
Date : September 12 2020, 10:00 PM , By : pranav
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