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Mastek Senior Software Engineer Interview Questions and Answers
Mastek Senior Software Engineer Interview Experiences
3 interviews found
gaurav kumar
Aptitude test with aptitude based questions
(2 Questions)
- Q1. What is variable hoisting.
- Ans.
Variable hoisting is a behavior in JavaScript where variable declarations are moved to the top of their scope during compilation.
Variable declarations are hoisted to the top of their function or global scope.
Only the declarations are hoisted, not the initializations.
This can lead to unexpected behavior if variables are accessed before they are declared.
- Q2. What is closures in js
- Ans.
Closures in JavaScript allow functions to access variables from an outer function even after the outer function has finished executing.
Closures are created whenever a function is defined within another function.
Inner functions have access to the outer function's variables even after the outer function has returned.
Closures are commonly used to create private variables and functions in JavaScript.
Example: function outer...
Skills evaluated in this interview
Selected
(1 Question)
- Q1. Technical round with coding test
(1 Question)
- Q1. Project explanation
(1 Question)
- Q1. Gaps if there any and salary discussions
I applied via LinkedIn and was interviewed in Feb 2022. There were 3 interview rounds.
(1 Question)
- Q1. You should have basic understanding of technologies mentioned in your profile
(1 Question)
- Q1. This is one level up. Practical questions related to your work
(2 Questions)
- Q1. Tell me about yourself.
- Q2. What are your strengths and weaknesses?
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Senior Software Engineer Interview Questions & Answers
Happiest Minds Technologies
Anonymous
posted on 11 Nov 2024
Selected
(3 Questions)
- Q1. What are closures
- Ans.
Closures are functions that have access to variables from their containing scope even after the scope has closed.
Closures allow functions to access variables from their outer function even after the outer function has finished executing.
They are commonly used in event handlers, callbacks, and asynchronous programming.
Closures help in maintaining state in functional programming.
- Q2. What is virtual DOM
- Ans.
Virtual DOM is a lightweight copy of the actual DOM used for efficient updates in web development.
Virtual DOM is a concept used in frameworks like React to improve performance by minimizing actual DOM manipulations.
When changes are made to the virtual DOM, a comparison is done with the actual DOM to determine the minimal updates needed.
This approach reduces the number of costly DOM operations, resulting in faster rende
- Q3. What are the data types in JS
- Ans.
Data types in JavaScript include number, string, boolean, object, function, undefined, and null.
Number - represents numeric data, e.g. 10, 3.14
String - represents textual data, e.g. 'hello', '123'
Boolean - represents true or false values, e.g. true, false
Object - represents complex data structures, e.g. { key: 'value' }
Function - represents executable code, e.g. function() { }
Undefined - represents a variable that has ...
(1 Question)
- Q1. Write react code for counter
- Ans.
React code for a simple counter
Create a functional component for the counter
Use useState hook to manage the count state
Render the count value and buttons to increment and decrement the count
(1 Question)
- Q1. Salary discussion
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Skills evaluated in this interview
Senior Software Engineer Interview Questions & Answers
Newgen Software Technologies
Anonymous
posted on 27 Nov 2024
(2 Questions)
- Q1. What are the OOPS concepts
- Q2. MultiThreading, synchronization
(1 Question)
- Q1. Tell me about yourself
Madhuri Patil
(2 Questions)
- Q1. Basic JS related question
- Q2. Angular Basic + Advance Question
Senior Software Engineer Interview Questions & Answers
Test Yantra Software Solutions
tejas prasad
posted on 24 Jul 2024
(2 Questions)
- Q1. How do you read an external text file
- Ans.
To read an external text file, you can use file handling techniques in programming languages like Python or Java.
Use file handling functions like open(), read(), and close() in Python to read an external text file.
In Java, use classes like FileReader and BufferedReader to read text files.
Specify the file path and mode (read mode) when opening the file.
Read the contents of the file line by line or as a whole, depending ...
- Q2. Write a java program to find the occurrences of characters
- Ans.
Java program to find occurrences of characters in a string
Create a HashMap to store characters and their counts
Iterate through the string and update the counts in the HashMap
Print the characters and their counts from the HashMap
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Skills evaluated in this interview
Senior Software Engineer Interview Questions & Answers
Maveric Systems
Hrushikesh Karawade
posted on 12 Nov 2024
Coding test was on Java programs. Basically for loop programs.
Normal aptitude questions.
(1 Question)
- Q1. Technical questions related to basics of languages and OOPS concepts.
(1 Question)
- Q1. Normal HR questions nothing specific.
Selected
I applied via Naukri.com and was interviewed in Feb 2024. There was 1 interview round.
(1 Question)
- Q1. Testing questions
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