G-Cube Solutions Interview Questions and Answers

Q1. Count occurence of character from a given string without using stream API.

Q2. Rotate given an array by given number

Q1. Count vowels and consonants for the given string
Ans. 
Count vowels and consonants in a given string
• Iterate through each character in the string and check if it is a vowel or consonant

• Keep separate counters for vowels and consonants

• Consider both uppercase and lowercase characters

• Exclude spaces and special characters from counting
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Q2. Find prime number between 1 to n
Ans. 
Use Sieve of Eratosthenes algorithm to find prime numbers between 1 to n.
• Implement Sieve of Eratosthenes algorithm

• Iterate through numbers from 2 to n

• Mark multiples of each number as non-prime

• Remaining unmarked numbers are prime
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Q3. Arraylist vs linkedlist
Ans. 
ArrayList is better for random access and LinkedList is better for frequent insertions and deletions.
• ArrayList uses dynamic array to store elements, allowing fast random access but slower insertions and deletions.

• LinkedList uses doubly linked list to store elements, allowing fast insertions and deletions but slower random access.

• Example: Use ArrayList when you need to frequently access elements by index. Use LinkedList...read more
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Q4. List vs set vs Map
Ans. 
List is an ordered collection, Set is a collection with no duplicates, Map is a key-value pair collection.
• List maintains insertion order, Set does not allow duplicates, Map stores key-value pairs

• List example: ArrayList, Set example: HashSet, Map example: HashMap
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Q5. Count average salary
Ans. 
Calculate average salary of employees
• Sum up all the salaries of employees

• Divide the total sum by the number of employees to get the average

• Example: salaries = [50000, 60000, 70000], average = (50000 + 60000 + 70000) / 3
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Q1. Introduction, she gave overview of the role
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Q1. Founder effect? Incomplete dominance? Mitochondria inheritance? Autoimmune disease?
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3 questions, 1 hour. Questions mostly on DP, Graphs and strings

Q1. Pollfill for Promise Function
Ans. 
Pollfill is a function that returns a promise which resolves when a condition is met.
• Pollfill function should return a promise

• The promise should resolve when a specific condition is met

• Use polling mechanism to check the condition at regular intervals
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Q2. Difference between throttling and Debouncing
Ans. 
Throttling limits the number of times a function can be called over time, while debouncing ensures a function is only called after a certain amount of time has passed without it being called.
• Throttling limits the rate at which a function can be called, preventing it from being called more than once in a specified time frame.

• Debouncing waits for a specified amount of time to pass after the last time a function was calle...read more
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Python Coding and dfcx technical questions one hour

Q1. Again technical 30 min
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Q2. About the company dfcx , llms, playbooks
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Q3. What you know about dfcx playbooks llms rag
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Q4. They’ll explain what they are doing
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Use case to build chatbot and dfcx concepts and playbooks 30 min

Q1. Test check for program
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Q2. Test check for program r
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Q1. Test check for program
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Q2. Test check for program y
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