Attune Technologies Software Engineer Interview Questions and Answers

Q1. What is the difference between let and const
Ans. 
let is mutable and can be reassigned, const is immutable and cannot be reassigned
• let allows reassignment, const does not

• const must be initialized with a value, let can be declared without a value

• const is block-scoped, let is function-scoped
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Q1. What are promises?
Ans. 
Promises are objects representing the eventual completion or failure of an asynchronous operation.
• Promises are used to handle asynchronous operations in JavaScript.

• They can be in one of three states: pending, fulfilled, or rejected.

• Promises can be chained together using .then() method.

• They help avoid callback hell and make code more readable and maintainable.
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Q1. Behaviour of js
Ans. 
JavaScript is a dynamic programming language commonly used for web development.
• JavaScript is a high-level, interpreted language.

• It is known for its flexibility and ability to manipulate the DOM.

• Commonly used for client-side scripting in web development.

• Supports object-oriented, imperative, and functional programming styles.
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Q2. Call by value, call by reference
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Reverse fibonacci using recursion

3 programs to write in arrays linked lists and trees

Q1. Was asked questions on core Java, spring framework, apis and micro services
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Q1. What expertise will you bring to cme group of you join?
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Q2. Why are you quitting your current company?
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Q1. Technical question regarding js
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IT was for 2hr basic question where ask from differe programing language

Q1. Question where base on your resume
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Q1. DSA question ,oops,DBMS
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Basic aptitude questions and 2 hard DP questions in the Online Test .

Q1. Basic SQL queries
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Q2. OOP questions Java
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Q3. Puzzles from Geeksforgeeks
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Q4. DSA questions - medium level
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Very easy mcq Question on google form.

Q1. Java basic theory Question
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Q1. There was a linked list question without using libraries
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Q2. Among 20 sphere, one sphere weight is larger than other 19 sphere. how will you find that ball without seeing it. Explain logic and code.
Ans. 
Finding the heavier sphere among 20 spheres without seeing it.
• Divide the spheres into groups of 3, weigh any two groups against each other.

• If both groups weigh the same, the heavier sphere is in the third group.

• If one group is heavier, weigh two spheres from that group against each other.

• If they weigh the same, the heavier sphere is the remaining one.

• If they don't weigh the same, the heavier sphere is the one that weig
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