BookMyShow Software Development Engineer Interview Questions and Answers

Five coding questions along with technical questions focusing on Object-Oriented Programming (OOP) and the expected output of Java programs.

Q1. Can you tell me about yourself?
Ans. 
I am a recent graduate with a degree in Computer Science and a passion for coding and problem-solving.
• Graduated with a degree in Computer Science

• Proficient in programming languages such as Java, Python, and C++

• Completed internships at tech companies like Google and Microsoft

• Enthusiastic about learning new technologies and collaborating with team members
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Q2. Find height of binary tree, Find first repeating character, Find number of Islands
Ans. 
The candidate is asked to solve three common coding problems related to binary trees, strings, and matrices.
• To find the height of a binary tree, you can use a recursive function to traverse the tree and calculate the height at each node.

• To find the first repeating character in a string, you can use a hashmap to store the frequency of each character and then iterate through the string to find the first character with a ...read more
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Q1. Based on project
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Q1. Didn't Qualify for it
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Q1. What is string eplain that code
Ans. 
A string is a sequence of characters used to represent text.
• Strings are typically enclosed in quotation marks

• Strings can contain letters, numbers, symbols, and spaces

• Strings can be manipulated using various string functions
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Q2. What is array how type of array
Ans. 
An array is a data structure that stores a collection of elements of the same type in a contiguous memory location.
• Arrays can be of different types such as integer arrays, float arrays, or string arrays.

• Example: string[] names = {"Alice", "Bob", "Charlie"};

• Arrays in most programming languages are zero-indexed, meaning the first element is at index 0.

• Arrays allow for efficient access and manipulation of elements based o
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Very few question asking like time and work

Q1. Python functions
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Q2. Join on multiple tables
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They presented me with a challenging question related to a graph.(level is too hard)

90 mins, easy, Data structures and algorithm basics

Q1. Given an array, remove all duplicates in place
Ans. 
Remove duplicates from array of strings in place
• Use a HashSet to keep track of unique elements

• Iterate through the array and remove duplicates by checking if element is already in the HashSet

• Update the array in place by shifting elements to fill in the removed duplicates
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Q1. Caching and its uses
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Caching is the process of storing data in a temporary location to reduce access time and improve performance.
• Caching helps reduce the load on servers by serving frequently accessed data quickly

• It can improve performance by reducing the time needed to retrieve data from the original source

• Examples include browser caching, CDN caching, and database caching
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Q1. Personality grading
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Q1. 2 code and 2 MySQL query
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Basic aptitude with tracing program

3 problem with easy to hard