Rocketlane Senior Software Engineer Interview Questions and Answers

Q1. 1. Questions around projects : JWT, UserAuthentication etc
Add your answer
Q2. 2. Write a code to find frequency of characters in a given string?
Ans. 
Code to find frequency of characters in a given string
• Use a hash table to store character frequencies

• Iterate through the string and update the hash table accordingly

• Print the hash table to display the character frequencies
Answered by AI
Add your answer

Q1. 1. Write a code to reverse a linked list?
Ans. 
Code to reverse a linked list
• Create three pointers: prev, curr, and next

• Initialize prev to null and curr to head

• Loop through the list and set next to curr's next node

• Set curr's next node to prev

• Move prev and curr one node ahead

• Return prev as the new head
Answered by AI
Add your answer
Q2. 2. Write a code to reverse linked list in size of K?
Ans. 
Code to reverse linked list in size of K
• Create a function that takes head of linked list and size K as input

• Traverse the linked list in groups of K nodes

• Reverse each group of K nodes using iterative or recursive approach

• Connect the reversed groups to form the final linked list

• Return the new head of the reversed linked list
Answered by AI
Add your answer
Q3. 3. Questions around project and design a database structure for comments system of quora?
Add your answer

Q1. Basic HR round questions
Add your answer

Given an simple gaming questions to be developed in JS

Given another UI design in image to be developed

Q1. Merge 2 Sorted linked list
Ans. 
Merge two sorted linked lists into a single sorted linked list
• Create a new linked list to store the merged result

• Iterate through both input linked lists and compare nodes to determine the order in which they should be merged

• Update the next pointers of the nodes in the new linked list accordingly
Answered by AI
Add your answer