LG Electronics Senior Software Developer Interview Questions and Answers

A standard aptitude test consisting of multiple-choice questions that needed to be completed within a specific time frame was administered. It has been four years, so I do not recall the details.

Samsung's coding test consists of solving a single complex question over a duration of four hours. The time complexity typically holds less significance; some questions can even be tackled with O(n^3) complexity. The emphasis is on our understanding of the problem statement and our approach to coding the solution. Since the solution tends to be quite extensive, requiring substantial code, optimization is not generally the primary focus. It is important to offer a reasonable solution. Topics such as graphs, binary search, and object-oriented programming are commonly featured in the test.

Q1. It was a technical discussion round. Usually Java & Android are a plus to have because Samsung focuses on it a lot. But, becasue I was experienced in Python, Django and Machine Learning instead, I asked i...read more
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Q2. I remember only 1 question from Data Structures which is : Detecting a cycle in Linked list. I gave a solution to that. After that, I was asked to write a proof why does this concept works. After soem thin...read more
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Q3. There were a lot of questions on Operating Systems like on Deadlock, Partitionn and Scheduling related questions. At the end, I was given a small problem with jobs coming in a queue at certain timestamps, ...read more
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Q1. I'll never forget this interview. It was a roast session 😂 Interviewer roasted the hell out of me. At that time, I remembered I read about Stress Interviews in the management subject and that exactly was ...read more
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Q1. How to design apis
Ans. 
Designing APIs involves defining endpoints, request/response formats, authentication, versioning, and documentation.
• Define clear and consistent endpoints for different functionalities

• Design request and response formats that are easy to understand and work with

• Implement authentication mechanisms to secure the API

• Consider versioning to support backward compatibility

• Provide comprehensive documentation for developers to ea
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Q2. How to structure databases for data collection
Ans. 
Structure databases by identifying data entities, relationships, and attributes.
• Identify data entities (e.g. customers, products) and their attributes

• Define relationships between entities (e.g. one-to-many, many-to-many)

• Normalize data to reduce redundancy and improve data integrity

• Use primary keys to uniquely identify each record

• Consider indexing for faster data retrieval
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Q1. In detail questions related to the exp
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Q2. In detail hr related question
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Q1. Array topics - 2 question from this topic
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Q2. Linkedlist coding problem - 1 problem from this topic
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Sql problem solving - 2 problem from this topic

Q1. Project discussion - projects you worked on
Ans. 
I have worked on various projects including a web application for a retail company and a mobile app for a fitness tracker.
• Developed a web application for a retail company to manage inventory and sales

• Created a mobile app for a fitness tracker to track workouts and progress

• Collaborated with team members to design and implement features

• Utilized technologies such as React, Node.js, and MongoDB
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Q1. Python and sql questions
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Q1. Client interview
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Q1. General discussion
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Q1. OOPS concepts with DSA in java
Ans. 
OOPS concepts in Java are principles like Inheritance, Encapsulation, Polymorphism, and Abstraction. DSA involves data structures and algorithms.
• OOPS concepts in Java include Inheritance, where a class inherits properties and behaviors from another class.

• Encapsulation involves bundling data and methods that operate on the data into a single unit.

• Polymorphism allows objects to be treated as instances of their parent cla...read more
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Q2. Questions related to resume projects and tech stacks used.
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Q1. Questions related to previous experiences in team oriented internships
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Basic aptitude train, time and work distance

Q1. Basics about my project and 3 eazy level coding question
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Q1. Discuss about salary and work cultrue
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About ai
today generation

Q1. Why to join WD?
Ans. 
WD offers exciting opportunities for growth and innovation in the software engineering field.
• Opportunity to work on cutting-edge technologies

• Collaborative and supportive work environment

• Career development and growth opportunities

• Strong company culture and values

• Global presence and diverse projects
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Q2. Detect loop in linked list
Ans. 
Use Floyd's Tortoise and Hare algorithm to detect loop in linked list.
• Initialize two pointers, slow and fast, at the head of the linked list.

• Move slow pointer by one step and fast pointer by two steps.

• If they meet at any point, there is a loop in the linked list.
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Q3. What are different product of WD?
Ans. 
WD offers a variety of products including external hard drives, internal hard drives, SSDs, and network attached storage devices.
• External hard drives

• Internal hard drives

• SSDs

• Network attached storage devices
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Q4. Do you want to ask any questions?
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