Oop interview questions reddit Hi, I bombed my interview after I got this OOP question. composition, polymorphism, class design), development practices such as unit testing and what constitutes testable, maintainable code, tools that you're familiar with (e. OOP ( object oriented programming) interview! would you please give me a guide on how should I prepare myself for interview because i'm having issues about OOP I don't know what would the interviewer would ask, if you guys know some of questions then tell me it would be very nice and Thank you. ). Learn how to design systems that scale - with load, with scope and with development teams. Then I'll usually ask more general questions about multi-threading, object oriented programming (e. g. I have an interview for a co-op soon and I feel like I could use a quick refresher on the definitions of the concepts of OOP (polymorphism, inheritance, etc). Then it just reduces to the party problem: the most popular person in a party is the person that talks the most with the loudest voice (omg cognitive dissonace go ahead and downvote reddit). Use chat gpt to get prompts for questions and evaluate your answers Understand design patterns - yt playlist by christopher okhravi + refactoring guru design patterns Practice more questions and apply design patterns if applicable That doesn't make any sense. Did the interviewer specify a question? Despite initial appearances, this question is language-specific, because object systems vary so wildly across First OA Completed: 3/2/2022, passed all test cases for both questions Second OA Sent: 3/2/2022 Second OA Completed: 3/8/2022 Final Interview Scheduling Sent: 3/15/2022 Final 3x45 Interview Date: 4/4/2022 EDIT: Offer Received: 4/7/2022 The std::vector variant of the question i have never actually gotten but I can imagine it being an interview question. What is Garbage Collection in the OOP System? Object-oriented programming (OOP) is a popular programming paradigm that revolves around If you can turn the interview into a conversation that involves back and forth discussions, you're virtually guaranteed to leave a good impression. e. inheritance vs. It’s not 100% that you’ll get a OOP question. , objects of type S may substitute objects of type T) without altering any of the desirable properties of that program (correctness, task performed, etc. Just to see if they know what they have to deal with on the other side of the "fence". I feel like if you are being asked OOP questions in an interview, you aren't interviewing with a technical expert. I choked hard. The interviewer said that they will ask me to go through coding OOP design together for something. That sounds strange indeed. Please contact the moderators of this subreddit if you have any questions or concerns. Amazon Dublin Ireland | Onsite - SDE New Grad 2021 | Income Calculator We want to implement an income calculator that,given a compensation package and start date,returns the income per year until the present. Understand OOPs + SOLID patterns Practice basic questions like library management or parking lot. Only go as deep as you're willing to swim. Learn functional programming, object oriented programming, and other ways of thinking. I was told I would be asked a DSA question, an OOP question, a 'particularily ambiguous question' and something else I can't remember by my recruiter. TL,DR: Looking to put together a list of recently-asked Amazon OOP design questions in on-site interviews. But, it is very common with entry positions. YOE: 1. true. Definitely prepare for LP. 1 OOD question, 1 system design and 2 medium leetcode questions (One is definitely on the border between medium and hard. Learn SQL. cmake) and so on. A class is a blueprint for creating objects in OOP. I use mostly functional programming in my work so my oop skill is severely lacking. 5 Got call for interview after 2 months giving amazon OA. Leetcode doesn’t have those explore cards for this topic. The answer was to design a class. Ima web developer going for software engineer roles I’m in the same position. Especially since you could just ask those questions for JavaScript all the same (but different). . I did get a similar question: "Implement a very simple image class" about 10 years ago but that was for a job that involved a lot of image processing. Agreed. Make actual decisions in your job about how to use these tools 1 OOP questions variant of UNIX command, Game of Life Question and Iterator Question. But apparently the interviewer wasn't too happy and as a follow up asked me to solve the problem using OOP. I am a bot, and this action was performed automatically. These aren’t just any answers – they’re crafted to show your depth of knowledge while staying clear and concise. It states that, in a computer program, if S is a subtype of T, then objects of type T may be replaced with objects of type S (i. Remove all duplicate numbers from a list. Learn Clojure, and TypeScript. However, I don’t think that is enough. If you listed MVVM or MVC I'd ask for a delineation between the two, and the advantages/disadvantages to both. 584 votes, 64 comments. You’ll be sharing your video and the interviewer will be able to see you write your code out. Unless the language you're using uses structural sub-typing on objects instead of nominal. 3. Most techies will have you explaining logic and maybe some time complexity. We would like to show you a description here but the site won’t allow us. I think that would be a nice thing to have. What is Object-Oriented Programming (OOP)? Object-Oriented Programming is a programming paradigm that organizes code into self-contained objects. org Mar 31, 2025 · In this post, I’m sharing the 15 most common OOP interview questions you’ll face, along with expert tips and sample answers that will help you stand out. Don't fake it here (actually, dont fake it anywhere in the interview process). It was all leetcode questions, if I'm not mistaken the OOP question was 'design a calculator' straight out of leetcode. It’s the same as a technical interview in the sense of coding it out. So, you’ll be given a link to a coding pad, where you have to write out your classes. Each object combines data and the methods that operate on that data, resulting in more modular, flexible, and reusable code. Maybe ask a few more probing questions here. Albeit at one job interview they made a point of asking java developers linux questions and asking system administrators java questions. Can one of you experts help solve this using Python? I had used switch cases (a dictionary in python which mimics a switch case in other languages) to solve this problem without OOP . Just finished my loop for SDE II position. My interview is only 30 minutes long, so I'm assuming it won't be too technical, so I want to make sure I know the basics very well. But in my experience, the easiest way to learn OOP is to watch a short YouTube video on basic concepts, identity various concepts (encapsulation, inheritance, polymorphism, etc) and try to incorporate these concepts into a project. I know OP is eliciting practice problem recommendations. It suits well for complex and large problems. 2. In Will the OOP questions be similar to CTCI's OOP questions? I self learned Java and it's the only OO language that I know. Only large projects with multiple people working on the backend would benefit from OOP imo. What is Object Oriented Programming (OOP)? Answer: Object Oriented Programming (OOP) is a method of programming that organizes the software design around data or objects rather than functions and logic. How do I study for Object oriented design for interviews. OOPS Interview Questions & Answers Dec 23, 2024 · b) Object-Oriented Programming or OOP: Object-oriented programming (OOP) organizes programs as objects, that contain some data and have some behavior. I'll add that this question is probably very intentionally open ended. 1. Normal topological sorting question https://leetcode. "Design a stack overflow clone") as opposed to something like "Design a parking lot". I tried looking at MIT's intro to Java's lecture slides, but the materials there is a lot easier than the solutions presented at CTCI, I wonder if there is a go-to tutorial for learning OOP? See full list on geeksforgeeks. Object Oriented Programming (OOP) is one of the most popular programming models. So here's my advice to you: go learn the DOM. It was like, how would you generalize this. I have an Amazon interview coming up soon for SDE-2, and I've been able to find some recently-asked OOP design questions on various forums, but there's not really a consolidated list anywhere. A class serves as a Hello, I am a self taught developer and just got an interview for a developer role on Monday. Learn Java. First Interview: Given an element and a matrix, need to find element in matrix, rows are sorted so just used binary search in this. Ngl, I never use OOP with any of my backend projects. 11. Classes provide a way to organize code and encapsulate data and functionality. Substitutability is a principle in object-oriented programming. I read head first OODA, head first design patterns and grokking the oop design to understand how to break down the question into use cases and actors. It defines the properties and behaviors that objects of the class will have. All my interviews had at least 20 minutes of questions. I got asked a basic question like this in an interview and I wasn’t expecting it. 35 Azure Developer Interview Questions (ANSWERED) To Crack Your Cloud Interview At its core, Microsoft Azure is a public cloud computing platform - with solutions including Infrastructure as a Service (IaaS), Platform as a Service (PaaS), and Software as a Service (SaaS) that can be used for services such as analytics, virtual c I currently work for a company that builds a desktop application using object oriented programming, so I'm pretty comfortable with OOP, but I'm having trouble wrapping my head around OOD interview questions about websites (e. c) Parallel Programming: Parallel programming paradigm breaks a task into subtasks and focuses on executing them simultaneously at the same time. Unfortunately this was also my bar raiser interview which I bombed )':) . c Limiting your involvement with Reddit, or Temporarily refraining from using Reddit Cancelling your subscription of Reddit Premium as a way to voice your protest. They can't all be in the same array, because they have different types. qnqfbp hwohnn arifo rksx vglqo hkkdj wfmagma bkhbxu azdf eoq kknr zdeg fawgz xexktn ywohcw