Chetu Backend Developer Interview Questions and Answers

Ev vehicles and its advantages and disadvantages

Q1. What are different data types
Ans. 
Different data types represent different types of values that can be stored and manipulated in a programming language.
• Some common data types include integers (e.g. 1, 100), floating-point numbers (e.g. 3.14), strings (e.g. 'hello'), booleans (e.g. true, false), arrays, and objects.

• Data types can also include more complex types like functions, classes, and custom data structures.

• In some programming languages, data types...read more
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Q2. What is call by value and call by reference
Ans. 
Call by value passes a copy of the variable to a function, while call by reference passes the actual variable itself.
• Call by value: a copy of the variable is passed to the function, any changes made inside the function do not affect the original variable

• Call by reference: the actual variable is passed to the function, any changes made inside the function affect the original variable

• Example of call by value: int x = 10;...read more
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45 minutes Karat round,

Q1. Design Snake game
Ans. 
Snake game is a classic arcade game where a player controls a snake to eat food and grow longer while avoiding collisions with walls and itself.
• Create a grid-based game board where the snake can move in four directions (up, down, left, right)

• Generate food randomly on the board for the snake to eat and grow in length

• Implement collision detection to check if the snake hits the walls or itself

• Update the game state continu...read more
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Implement a data structure that provides capability to upvote, downvote and get content with maximum vote

Q1. Tell nee about yourself
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Q1. Tell me about your experience
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