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Sony Java Developer Interview Questions and Answers
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1 interview found
I applied via Naukri.com and was interviewed in Mar 2024. There was 1 interview round.
(5 Questions)
- Q1. Linux vs Windows
- Ans.
Linux is preferred for server-side development due to its stability and security, while Windows is more commonly used for desktop applications.
Linux is open-source and free, making it cost-effective for development.
Windows has a larger user base and more compatibility with software and hardware.
Linux is known for its stability and security, making it a popular choice for server-side development.
Windows is more commonly...
- Q2. Singleton Class
- Q3. Fail Fast vs Fail Safe
- Ans.
Fail Fast focuses on detecting errors as soon as possible, while Fail Safe aims to continue operation despite errors.
Fail Fast: Emphasizes immediate error detection to prevent further issues.
Fail Safe: Prioritizes continued operation even in the presence of errors.
Example: Fail Fast is commonly used in software development to catch bugs early in the development process.
Example: Fail Safe is often seen in systems where ...
- Q4. HashMap and ConcurrentHashMap
- Q5. Immutable class
Skills evaluated in this interview
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I applied via Recruitment Consulltant and was interviewed in Mar 2024. There was 1 interview round.
Part1 aptitude questions and part2 checking multiple programming language syntax such as python c#
java js shell script
part 3 on testing and devops
all are 10 qns from each part 30 mcqs
Interview Preparation Tips
- aptitude
- Testing
- Devops
- programming language
- IT Projects
(2 Questions)
- Q1. Array topics - 2 question from this topic
- Q2. Linkedlist coding problem - 1 problem from this topic
Sql problem solving - 2 problem from this topic
(1 Question)
- 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
(2 Questions)
- Q1. What is your weakness
- Q2. What is pn junction diode
- Ans.
A pn junction diode is a semiconductor device that allows current to flow in one direction only.
Consists of p-type and n-type semiconductor materials
When forward biased, allows current to flow easily
When reverse biased, blocks current flow
Interview Preparation Tips
I applied via Campus Placement and was interviewed in Mar 2024. There were 3 interview rounds.
Online. 2 easy-medium questions
(1 Question)
- Q1. Coding question based on oops and string(medium-tough) 45 mins
(2 Questions)
- Q1. SQL questions were asked about theory and code
- Q2. 4-5 questions in total for about 40 mins
I applied via campus placement at SRM university (SRMU) and was interviewed in Feb 2024. There were 2 interview rounds.
Logical reasoning, quantitative
(2 Questions)
- Q1. Java basics and intermediate
- Q2. What is recursion
- Ans.
Recursion is a programming technique where a function calls itself in order to solve a problem.
Recursion involves breaking down a problem into smaller subproblems and solving them recursively.
It requires a base case to stop the recursive calls.
Examples include factorial calculation, Fibonacci sequence generation, and tree traversal.
Interview Preparation Tips
DSA Based - Graph, Trees
(2 Questions)
- Q1. Trie Implementation
- Ans.
Trie is a tree data structure used for efficient retrieval of key-value pairs.
Trie is also known as prefix tree.
Each node in a trie represents a single character of a key.
Trie is commonly used in autocomplete and spell checking algorithms.
Example: Inserting 'apple' and 'app' into a trie would result in a structure where 'app' is a prefix of 'apple'.
- Q2. LRU Implementation
- Ans.
LRU (Least Recently Used) is a cache eviction policy that removes the least recently used items first.
LRU cache stores key-value pairs with a maximum capacity.
When the cache is full, the least recently used item is removed to make space for new items.
Each time a key is accessed, it is moved to the front of the cache to indicate it was recently used.
Skills evaluated in this interview
HIMANSHU RAJPUT
About ai
today generation
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Software Developer Interview Questions & Answers
Haier Appliances India
Anonymous
posted on 31 Jan 2024
Selected
I applied via Job Portal and was interviewed in Dec 2023. There were 2 interview rounds.
Easy to write with simole loetters to
Very easy to manipulate with this code
Interview Preparation Tips
I applied via Naukri.com and was interviewed before Jul 2023. There were 2 interview rounds.
Aptitude duration One hours
Level moderate
Coding Test Duration 3 hours
Level moderate to hard
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