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Questions tagged [interface]

Object interfaces allow you to create code which specifies which methods a class must implement, without having to define how these methods are handled.

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8
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0answers
112 views

Geode Contents Predictor StardewValley Mod

The goal I really enjoy the game Stardew Valley. One of the things that the game has are geodes. Much like real-world geodes, these geodes can be cracked open, and you can find some fun things inside....
5
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1answer
62 views

Manage Excel Styles with VBA OOP Approach (Follow up)

This is a follow up to this question Code incorporates Mathieu's comments and it works. As some parts of the review left some code to my knowledge, I ask for another review to see if I implemented ...
5
votes
1answer
51 views

Manage Excel Styles with VBA OOP Approach

I want to manage the Excel Styles in a more flexible way with bulk actions and at the same time improve my newly acquired OOP concepts. Objectives: Load the current Styles list (name and type=...
4
votes
2answers
65 views

Drag and drop selected array items in Javascript

I've written a function that moves selected items from a list into a new position. I've found that in order to do this, I need to retain the original 'index structure' of the array. The way I've done ...
2
votes
1answer
82 views

Interface and inheritance; creating download types for a download manager

I'm creating a download manager in C# (in combination with Unity 2019.1.8, running the .NET 4.x equivalent (MONO) scripting back end). To accomplish this I decided to start using interfaces and class ...
3
votes
2answers
107 views

Parcel size classifier [closed]

I submitted a technical assignment for a job interview process and I am stressing out wondering if my submission was any good. I would like to learn and be a better developer, so please give me ...
4
votes
1answer
135 views

Factory pattern for creating embossing machines

I'm working on a program that creates a file for a specific embosser machine (machine that creates plastic bank card for example). I have 3 embosser machines and all of them create different files. ...
5
votes
1answer
35 views

CandidateArchive for model-assisted multi-fidelity global search algorithm

For my research I'm working on global search methods where a candidate solution can have it's fitness (=score) evaluated in multiple fidelities (=accuracy levels). The goal of the ...
4
votes
2answers
118 views

Displaying IP addresses in Go using Stringer interface

I am trying out some Go code examples (while coding a private project) to get more "in-depth" knowledge about the language. I have come across an exercise from the Go Tour website about displaying ...
0
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1answer
44 views

proper structure of classes using interface classes [closed]

Given the following two interfaces what would the proper way to set up the two actual classes? ...
3
votes
2answers
131 views

Mario Party Snake and Ladders Board

Context Was inspired from this LeetCode post to do my own System Design exercise of the common Snake and Ladders problem. As I was writing the code Mario Party kept coming to mind so I added a little ...
2
votes
1answer
36 views

Rendering elements (which can change numbers) using jQuery

Currently when the user selects some tags in my app I generate them in a function, like this: ...
3
votes
2answers
83 views

Infinite and countdown counters

I'm refactoring my scheduler and for one of its triggers I need an endless counter that would automatically restart. Since this is a simple and very common task I don't want to ever have to implement ...
1
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0answers
76 views

Simple Serial Port Windows Interface

I implemented a very simple blocking uart interface. Most of the serial instruments I interface with are master/slave and I have to wait on data to proceed forward. I am contemplating add some ...
17
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5answers
3k views

House plan design (Head First C#)

I've been working through the book Head First C# and this is an exercise from chapter 7, which is about interfaces and abstract classes. Note that the class design was mandated by the authors, I'm ...
3
votes
1answer
1k views

Writing to a file in Golang across concurrent go routines

I've been reading around how golang writes to a file, and this stack overflow question and this reddit question highlights the fact Go doesn't gurantee atomicity when writing to a file system. ...
0
votes
1answer
78 views

Functional List in C++ [closed]

This is rather toy example of immutable datatype in C++. I've tried to follow functional languages like Scheme, Racket - making list as a cons cell: list is list or is empty. ...
5
votes
1answer
88 views

Service for generating faked objects

I'm using the Bogus library to mock up some data for testing. This is my main method demonstrating how the faking service should be used: ...
1
vote
1answer
41 views

Proper naming for objects which have a position and bounds on a plane

I have an interface which is for an object which has bounds in a 2D plane. ...
2
votes
1answer
134 views

Handling related generic type parameters

In answering a question on StackOverflow, it occurred to me that a more generic version of GroupBy for C# that delegated membership in each group to a class could ...
-1
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1answer
46 views

An interface for designing Arduino code [closed]

Writing code could be divided into three parts. 1.Interface structure At this stage programmer should describe all the devices used in his project. Of course, only those of them which Arduino ...
1
vote
1answer
671 views

ChangeCalculator for calculating money denominations in change

I'm doing some exercises in OOP and I just created a program that calculates amounts of denominations in a change at the shop. So, let's say something costs 10, I give 25.30 (for some reason), so I ...
0
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3answers
81 views

“Human” interfaces with two implementation classes

The Helloworld class executes all of the methods. Human is the interface, and Nate & <...
6
votes
1answer
284 views

Catching missing attribute errors sooner in Python using strict interface specifications

I use Python daily for long-running simulations (yes, very very optimal, I know). As you could probably guess, my coworkers and I have issues with simulations running for several minutes before ...
0
votes
1answer
59 views

Using a wrapper on a primitive as a generic for an interface used for Java lambda

I apologize for that title, lol. I have a Java method that I'm writing where I want to be able to pass in an array of Objects and two interfaces that will be used for lambda expressions that specify ...
2
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1answer
407 views

Implementation of generic unordered list in java

This question is a follow-up question of this question. These features are added to the new class - Generic class User is capable of setting the size ...
4
votes
1answer
75 views

Designing the constructor interface for a reflection object (any class)

I am working on cleaning up and making open source a C++ reflection library that has served me well over the last few years. One of the most important classes of the library is ...
5
votes
1answer
926 views

Processor for handling generic commands

I'm trying to implement business logic layer based on concepts of commands and command handlers. A command is a thing that contains input parameters for executing some action, and it knows what kind ...
4
votes
1answer
476 views

C++ implementation of the decorator pattern

This is a C++ implementation of the decorator pattern. I am also learning about interfaces and (pure) virtual functions. ...
1
vote
1answer
896 views

Templatized Object Pool in C++

I'm following Robert Nystroms example to try and implement a decent object pool for my next couple of C++ based games. My version is templatized to allow arbitrary classes to be pooled. I'm asking ...
1
vote
1answer
912 views

PHP OOP API Class

I want to do an API or contract in Laravel focus when one person wants a contract or credit, but honestly it's for a scholarship but the process it's similar when I got a credit from a bank. Honestly ...
0
votes
1answer
27 views

interface design for allowing custom parameter struct, falling back on defaults

Right now I have an awkward setup, but don't really know what the cleaner solution would look like. The parameter struct is defining the action keys for a simple fly camera. Right now it looks like ...
0
votes
1answer
81 views

Different implementation of an Interface along with additional parameters

I am designing an interface for 2 distinct implementations as follows: Perform operations without client credentials ( for my local applications) Perform operations using security token. (for web ...
1
vote
2answers
2k views

Creating a Student class for a project

To recover from yesterday's disaster, I re-read the SOLID principles and refactored my code. Hopefully I did a better job than yesterday. I wanted to keep my Student...
1
vote
0answers
312 views

MongoDB database abstraction

Backstory The company I work, we have the code below that acts as an abstraction of our database layer, which is mongoDB. This ensures our other code is not too dependent on the database. This is ...
5
votes
1answer
3k views

Creating data objects dynamically at runtime from an interface

Sometimes when I write objects for holding data (not real DTOs, no serialization involved) I also create an interface for it. The class that implements it can also perform some null checks. I don't ...
2
votes
1answer
466 views

Implementing an HotelManager interface in Java

Got a mission to implement an Hotel Manager interface. I will post the interface and the attached class Reservation, and will add my code. What I am asking you is ...
9
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5answers
484 views

Declarative type comparer

Writing comparers by either implementing the IEqualityComparer<T> or the IEquatable<T> interface is another boring ...
1
vote
1answer
54 views

Passing some redundant parameters to an interface vs creating a new request object every time for the interface

I am writing a proxy class, that will fetch a certain property (say propertyA) by calling an underlying service. Currently we use Service A to get propertyA, but there is a chance that in the near ...
3
votes
3answers
2k views

OOP modelling of a car agency

Exercise: A car dealer wants a computer system to manage the data of their vehicles and classify them by type. All cars have the following data Engine serial number Brand Year ...
1
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0answers
333 views

Base Class Interface for Parent/Child tree hierarchy

I have a class named Object, which is a common interface for all its derived class. The following rules apply to all Object instances. As zero or one parent. As zero or more child. Can not be the ...
9
votes
1answer
2k views

OOP modeling of a boat rental system

I have some question about this exercise, did I model the problem correctly (the code works)?. If I did it correctly, Is there anything that can improve the code?. For example, how could I avoid the ...
1
vote
0answers
25 views

Factory module to convert DOM / ORM data structures

The following code is part of a real estate data processing API. It is being invoked by several modules of a software that translates real estate data in-between different formats (ORM models, DOMs, ...
-2
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1answer
220 views

Parsing various types of message strings

Similar question MessageFormat: represents the various kinds of messages. (XML, JSON, ...
7
votes
2answers
249 views

Object-oriented Quarantine implementation

I am a newbie in thinking object oriented solution for a problem, so I am trying to improve. I have tried to implement a quarantine assignment. Here is a requirement with unit test cases. I am trying ...
4
votes
0answers
561 views

Implement OO interfaces in Python

Edit: Whoops! I just remembered there's already an long-lived package for this, zope.interface. I'd like a review all the same. This is a proof-of-concept ...
4
votes
2answers
572 views

Validating Shift class through builder pattern

I have a Shift class that looks like this: ...
3
votes
0answers
52 views

Extensible Python Interfaces

Some background before the actual code: My team needs to develop an optimization library for a specific problem. In order to optimize (pun intended) the projects life-cycle I am trying to write some ...
15
votes
2answers
2k views

Using events together with interfaces in VBA

Introduction Because of the limitation of VBA in using events in interfaces I was searching for a kind of workaround. For sure I also read this which also provides an approach, but I was searching ...
9
votes
1answer
312 views

Trie implementation for a data structure library in C

I'm implementing a trie structure for a library, as an exercise in data structures. Details The tree structure is represented as a doubly chained tree. A struct ...