Freshworks Interview Questions, Process, and Tips

Q1. Elevator travel, find the no. of hops
Ans. 
The question is asking to calculate the number of hops an elevator needs to travel between floors.
• Calculate the difference between the starting floor and the destination floor

• Divide the difference by the maximum number of floors the elevator can travel in one hop

• Round up the result to get the number of hops needed
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Q2. Beautiful Array
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Q3. Transactions in spring boot
Ans. 
Transactions in Spring Boot manage database transactions in a declarative way.
• Spring Boot uses @Transactional annotation to mark a method as transactional.

• Transactions can be managed at class level or method level.

• Rollback can be configured based on specific exceptions.

• Example: @Transactional(propagation = Propagation.REQUIRED, rollbackFor = Exception.class)
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Q1. Check palindrom from given string
Ans. 
Check if a given string is a palindrome
• Iterate through the string from both ends and compare characters

• Ignore spaces and punctuation marks while checking for palindrome

• Convert the string to lowercase for case-insensitive comparison
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Q1. Debugging an application and wirtting cases
Ans. 
Debugging an application involves identifying and fixing issues in the code, while writing test cases ensures the application functions correctly.
• Understand the functionality of the application and identify the root cause of the issue

• Use debugging tools like breakpoints, logging, and stack traces to pinpoint the problem

• Write test cases to cover different scenarios and ensure the issue is resolved

• Reproduce the issue to ...read more
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Q1. Combination of abvoe two rounds
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Q1. Combination of above three rounds
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Q1. Discussed about why this company and the compensation
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Basic DS question like dutch flag problem.

Q1. Implement debounce function
Ans. 
Debounce function delays the execution of a function until after a specified amount of time has passed since the last time it was invoked.
• Create a function that takes a function and a delay time as parameters

• Use setTimeout to delay the execution of the function

• Use clearTimeout to reset the timer if the function is invoked again within the delay time
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Q2. Closure based questions.
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Q1. Write a lambda function in python
Ans. 
A lambda function in Python is a small anonymous function defined using the lambda keyword.
• Lambda functions can have any number of arguments, but can only have one expression.

• Syntax: lambda arguments : expression

• Example: lambda x, y : x + y
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Q2. Dbutils in databricks
Ans. 
dbutils is a utility provided by Databricks for interacting with files and directories in the Databricks environment.
• dbutils.fs.ls('/') - list files in root directory

• dbutils.fs.cp('dbfs:/file.txt', 'file.txt') - copy file from DBFS to local file system

• dbutils.fs.mkdirs('dbfs:/new_dir') - create a new directory in DBFS
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Q3. Persist and cache
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Q4. What is commit in SQL
Ans. 
A commit in SQL is a command that saves all the changes made in a transaction to the database.
• A commit is used to make all the changes made in a transaction permanent.

• Once a commit is issued, the changes cannot be rolled back.

• It is important to use commit to ensure data integrity and consistency.

• Example: COMMIT; - this command is used to commit the changes in a transaction.
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Q5. Rank and dans_rank
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Q1. Loop in a linked list and removing it
Ans. 
Loop through the linked list to find and remove a specific node
• Start at the head of the linked list and iterate through each node

• Check if the current node matches the one to be removed

• If found, update the pointers to skip over the node and remove it

• Continue until the end of the list is reached
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Q2. Triplets in array of integers without duplicates
Ans. 
Find all triplets in an array of integers without duplicates
• Iterate through the array and for each element, find all pairs that sum up to the negative of that element

• Use a set to store the seen elements to avoid duplicates

• Time complexity can be improved to O(n^2) by sorting the array first
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Basic Datastructures and ALgo questions medium to hard level

Two questions asked:
1. Partition equal sum
2. find length largest region boolean matrix

Q1. Previous experience
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