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OAO INDIA Software Developer Interview Questions and Answers
OAO INDIA Software Developer Interview Experiences
1 interview found
(2 Questions)
- Q1. Mainly OOPS concept and logical reasonings
- Q2. Explain Abstract class and give an example
- Ans.
Abstract class is a class that cannot be instantiated and is used as a base class for other classes.
An abstract class can have abstract and non-abstract methods
Abstract methods have no implementation and must be implemented by the derived class
An abstract class can have constructors and instance variables
An example of an abstract class is the Shape class, where different shapes can inherit from it
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Software Developer Interview Questions & Answers
Sagacious IP
058 Abhilakshya Rajrah
posted on 9 Dec 2024
(3 Questions)
- Q1. 2 sum in array
- Ans.
The Two Sum problem involves finding two numbers in an array that add up to a given target value.
Iterate through the array and store the difference between the target and current element in a hashmap
Check if the current element exists in the hashmap, if yes return the indices
Time complexity can be reduced to O(n) using a hashmap
- Q2. Reverse a linked list
- Ans.
Reverse a singly linked list and return the reversed list.
Iterate through the linked list and reverse the pointers to point to the previous node instead of the next node.
Use three pointers to keep track of the current, previous, and next nodes while reversing the list.
Update the head of the list to be the last node after reversing.
- Q3. In given time slots , find conflicting time slots
(2 Questions)
- Q1. Asked about projects
- Q2. Longest palindrome
- Ans.
Find the longest palindromic substring in a given string.
Iterate through each character in the string and expand around it to find palindromes
Use dynamic programming to optimize the solution
Consider both odd and even length palindromes
I applied via campus placement at St Stanley College of Engineering, Arang and was interviewed in Oct 2024. There were 3 interview rounds.
Had 50 qsns in 45 min
Had 5 qsns to execute topics like tress and graphs
(2 Questions)
- Q1. Sql queries and how to extract the data
- Q2. Oops concepts and their execution
- Ans.
Oops concepts are fundamental principles of object-oriented programming that help in organizing and designing code efficiently.
Encapsulation: Bundling data and methods that operate on the data into a single unit (class).
Inheritance: Allowing a class to inherit properties and behavior from another class.
Polymorphism: Ability of objects to take on multiple forms or have multiple behaviors.
Abstraction: Hiding the complex ...
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Skills evaluated in this interview
I applied via Campus Placement and was interviewed in Sep 2024. There was 1 interview round.
Give you 5 problem in maths , string, sql etc
Software Developer Interview Questions & Answers
Accucia Softwares Private Limited
Anonymous
posted on 22 Jul 2024
Selected
I applied via Walk-in and was interviewed before Jul 2023. There were 4 interview rounds.
Coding test duration is 30 to 40 min
on paper pen and topic is simple like related to string,pattern and number's
(2 Questions)
- Q1. Introduction about yourself
- Q2. Salary expectation
(2 Questions)
- Q1. Related to the basic of html css and js
- Q2. Ask run time short code and explanation
(2 Questions)
- Q1. About yourself and other
- Q2. All about company your expectation and salary disscuced
Interview Preparation Tips
(1 Question)
- Q1. Strecture of sql statement
- Ans.
SQL statements are used to interact with databases by performing operations like querying, updating, and deleting data.
SQL statements are made up of keywords like SELECT, INSERT, UPDATE, DELETE, etc.
They are structured in a specific order, with clauses like WHERE, ORDER BY, GROUP BY, etc.
Tables are referenced using their names, and conditions are specified to filter data.
Joins can be used to combine data from multiple
Skills evaluated in this interview
Data Structures and Algorithms
(2 Questions)
- Q1. Data Structures
- Q2. System design questions
Harit Sharma
Good level question. I have qualified for the next round
Basic to intermediate question, Cleared the test
(1 Question)
- Q1. Tell me about yourself and introduce yourself
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Software Developer Interview Questions & Answers
Tech Mahindra Foundation
Anonymous
posted on 13 Mar 2022
I applied via Approached by Company and was interviewed in Feb 2022. There were 2 interview rounds.
30 mintues, relationship topics
(5 Questions)
- Q1. What are your salary expectations?
- Q2. What is your family background?
- Q3. Why should we hire you?
- Q4. What are your strengths and weaknesses?
- Q5. Tell me about yourself.
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I applied via campus placement at Sastra University and was interviewed in Sep 2024. There were 2 interview rounds.
Good nice easy to medium questions
(2 Questions)
- Q1. What is your project
- Q2. Give some real life examples of oops
- Ans.
Real life examples of OOPs include cars, animals, and banking systems.
Cars: Objects like make, model, and color with behaviors like driving and honking.
Animals: Objects like species, name, and age with behaviors like eating and sleeping.
Banking Systems: Objects like account, balance, and transaction with behaviors like deposit and withdraw.
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