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Webtel Electrosoft
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Webtel Electrosoft Senior Software Developer Interview Questions, Process, and Tips
Webtel Electrosoft Senior Software Developer Interview Experiences
1 interview found
I applied via Naukri.com and was interviewed in Nov 2019. There were 5 interview rounds.
Interview Questionnaire
6 Questions
- Q1. What is Multithreading? What is the use of background worker?
- Ans.
Multithreading is the concurrent execution of multiple threads to achieve parallelism and improve performance.
Multithreading allows multiple threads to run concurrently within a single process.
It enables parallel execution of tasks, improving performance and responsiveness.
Background worker is a component that simplifies multithreading by providing a dedicated thread for executing time-consuming tasks in the background...
- Q2. How to create a file and append some text in that file.
- Ans.
To create a file and append text, use file handling functions in the programming language.
Open the file in append mode
Write the text to the file
Close the file
- Q3. What is namespace?
- Ans.
A namespace is a container that holds a set of identifiers to avoid naming conflicts.
Namespaces are used to organize code and avoid naming collisions.
They can be nested within other namespaces.
They are declared using the 'namespace' keyword.
They can be used to group related classes, functions, and variables.
For example, the 'std' namespace in C++ contains standard library functions and objects.
- Q4. Difference between abstarct and interface.
- Ans.
Abstract classes are classes that cannot be instantiated and can have both abstract and non-abstract methods. Interfaces are contracts that define the methods that a class must implement.
Abstract classes can have constructors and instance variables, while interfaces cannot.
A class can implement multiple interfaces, but can only inherit from one abstract class.
Abstract classes are used when there is a need for a common ...
- Q5. What is static?
- Ans.
Static is a keyword in programming that denotes a variable or method that belongs to the class rather than an instance of the class.
Static variables and methods can be accessed without creating an instance of the class.
Static variables are shared among all instances of the class.
Static methods cannot access non-static variables or methods.
Examples of static methods include Math.max() and Arrays.sort().
- Q6. Types of classes that you can use in c#
- Ans.
C# supports various types of classes including abstract, sealed, static, and partial classes.
Abstract classes cannot be instantiated and are used as base classes for other classes.
Sealed classes cannot be inherited and are used to prevent further modification.
Static classes cannot be instantiated and contain only static members.
Partial classes allow a class to be defined in multiple files.
Other types of classes include...
Interview Preparation Tips
Skills evaluated in this interview
Top trending discussions
Interview questions from similar companies
Interview Preparation Tips
Experience: this was a telephonic round : There I was asked basics of web development (e.g Session, hidden variable difference between POST and GET etc. ) and basics of PHP e.g global variables etc , little bit of mysql e.g joins , difference between left and right joins.
Round: Technical Interview
Experience: This was pretty much about interview rounds. I got the offer.
Skills: Core java, OOP, PHP
College Name: na
I applied via Walk-in and was interviewed before Mar 2021. There were 3 interview rounds.
Aptitude test
Current affairs
(1 Question)
- Q1. Puzzle , sql related questions
Interview Preparation Tips
I applied via Campus Placement and was interviewed before Oct 2021. There were 2 interview rounds.
(3 Questions)
- Q1. DS Algo, Backend and DB
- Q2. Stack(DS) question and DB based questions
- Q3. Scaling (Horizontal, Vertical) with use cases
- Ans.
Scaling refers to increasing capacity of a system. Horizontal scaling adds more machines, while vertical scaling adds more resources to a machine.
Horizontal scaling involves adding more machines to a system to increase capacity
Vertical scaling involves adding more resources to a machine to increase capacity
Use cases for horizontal scaling include handling increased traffic or adding redundancy
Use cases for vertical sca...
Interview Preparation Tips
- Backend
- Data Structures
- Database
I applied via Campus Placement and was interviewed in Dec 2024. There was 1 interview round.
2 questions of DSA medium to hard
Selected
I applied via LinkedIn and was interviewed in Nov 2023. There were 3 interview rounds.
Mcq + dsa JavaScript questions
(1 Question)
- Q1. JavaScript advance topics and database design topics
(1 Question)
- Q1. Situation based question and behavioural questions
I applied via LinkedIn and was interviewed in Sep 2021. There was 1 interview round.
Interview Questionnaire
5 Questions
- Q1. 1. Explain difference between spring and spring boot
- Ans.
Spring is a framework for building Java applications, while Spring Boot is a tool for quickly creating Spring-based applications.
Spring provides a comprehensive framework for building Java applications, while Spring Boot is a tool that simplifies and accelerates the process of creating Spring-based applications.
Spring requires more configuration and setup, while Spring Boot provides a pre-configured environment that re...
- Q2. 2. String anagram program
- Ans.
A program to check if two strings are anagrams of each other.
Create two character arrays from the input strings
Sort the arrays
Compare the sorted arrays to check if they are equal
- Q3. 3. write small code using streams api
- Ans.
Using Streams API to filter and map an array of strings
Create a stream from the array using Arrays.stream()
Use filter() to select elements that meet a certain condition
Use map() to transform each element into a new value
Use toArray() to convert the stream back into an array
- Q4. 4. java 8 concepts
- Q5. 5. what is REST api
- Ans.
REST API is a web service that uses HTTP requests to access and manipulate data.
REST stands for Representational State Transfer
It is an architectural style for building web services
It uses HTTP methods like GET, POST, PUT, DELETE to perform operations on resources
It is stateless and can be cached
It returns data in various formats like JSON, XML, etc.
Interview Preparation Tips
Skills evaluated in this interview
Software Developer Interview Questions & Answers
Think Future Technologies
Anonymous
posted on 16 Sep 2021
I appeared for an interview before Sep 2020.
Round duration - 50 minutes
Round difficulty - Medium
(1 Question)
Round duration - 20 minutes
Round difficulty - Medium
- Q1.
Pair Sum Problem Statement
You are given an integer array 'ARR' of size 'N' and an integer 'S'. Your task is to find and return a list of all pairs of elements where each sum of a pair equals 'S'.
Note:
... - Ans.
Given an array and a target sum, find pairs of elements that add up to the target sum.
Iterate through the array and for each element, check if the complement (target sum - current element) exists in a hash set.
If the complement exists, add the pair to the result list. Otherwise, add the current element to the hash set.
Sort the pairs based on the first element and then the second element to meet the required output form
Round duration - 20 minutes
Round difficulty - Easy
(1 Question)
Round duration - 40 minutes
Round difficulty - Hard
- Q1. Can you provide an example of how to use pointers in C/C++ and discuss different concepts related to them?
- Ans.
Pointers in C/C++ are variables that store memory addresses. They are used to manipulate memory directly and improve performance.
Pointers are declared using an asterisk (*) before the variable name.
Pointers can be used to dynamically allocate memory using functions like malloc() and free().
Pointers can be used to pass variables by reference to functions.
Interview Preparation Tips
Tip 1 : Do atleast 1 project
Tip 2 : Practice Data structure programming questions
Tip 3 : Prepare concepts with examples (Coding/Numericals)
Tip 1 : Mention Projects
Tip 2 : Mention only those technologies which you are confident enough.
Tip 3 : Mention extra curricular activities if have.
Skills evaluated in this interview
Selected
I applied via Job Portal and was interviewed before Nov 2022. There were 2 interview rounds.
(2 Questions)
- Q1. Regarding the Past Projects, mine were with Firebase and Flutter.
- Q2. Medium DSA questions for Array and String and Flutter
Interview Preparation Tips
- Flutter
- firebase
- Node.Js
Software Developer Interview Questions & Answers
Think Future Technologies
Anonymous
posted on 27 Mar 2024
Selected
I applied via Company Website and was interviewed before Mar 2023. There were 3 interview rounds.
Normal aptitude questions
Python basic and some basic coding questions
Advance level coding question
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