Synamedia Android Interview Questions and Answers

Basic dsa questions from leetcode

Q1. Basic dsa questions and puzzles
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Q1. They directly explained workculture and asked same questions from previous two questions
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Q1. Difference between string and string builder.
Ans. 
String is immutable, while StringBuilder is mutable and more efficient for concatenating strings.
• String is immutable, meaning once created, its value cannot be changed. StringBuilder is mutable, allowing for modifications without creating new objects.

• String concatenation creates a new string object each time, while StringBuilder modifies the existing object directly.

• StringBuilder is more efficient for concatenating mul...read more
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Q2. What is async and await
Ans. 
Async and await are keywords in JavaScript used to work with asynchronous code.
• Async is used to define a function as asynchronous, allowing it to run in the background without blocking the main thread.

• Await is used to pause the execution of an async function until a Promise is settled, and then resumes the function with the resolved value.

• Async/await is a more readable and cleaner way to write asynchronous code compare...read more
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Q1. Sql Query Sequence and basically asks the SqlServer Releted question and Webform Also.
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Q1. What is the use of ref?
Ans. 
The 'ref' keyword in C# is used to pass arguments by reference instead of by value.
• Allows a method to modify the value of the argument passed to it

• Useful when you want to update the original value of a variable inside a method

• Can be used with value types and reference types

• Example: void UpdateValue(ref int num) { num = 10; }

• Example: int value = 5; UpdateValue(ref value); // value will be 10 after the method call
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Q2. What are React Hooks
Ans. 
React Hooks are functions that let you use state and other React features without writing a class.
• React Hooks were introduced in React 16.8.

• They allow you to use state and other React features in functional components.

• Some commonly used React Hooks are useState, useEffect, useContext, etc.

• Hooks are more lightweight and easier to understand compared to class components.
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20 Mcq and 2 coding question were asked.

2 DP questions were asked

Q1. Tell me about yourself and explain the project.
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Q1. Hr knowing your ur self and work experience in related field
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Q1. This round aligned with national head, Entire work experience related filed, team working, chanal Management, key account management
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Q1. Tell me about yourself
Ans. I am neeraj maurya from pratapgar uttar pradesh my age 22
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Q2. Where were you working before
Ans. I used to work at Excitel before
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Q3. Why are you leaving Excitel?
Ans. Sir excitel is the west company from my side but nothing growth
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Q4. Whose reference do you come from
Ans. BM sir told me that as much as you earn in Excitel, I say with confidence that this will be the best job for you and also growth in it:
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Q5. Will you be able to work in SITI NETWORK
Ans. Sir I promise that I will do my best with Excitel
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