10 questions · from 1 interviews
Airtel Digital interview questions
Every question candidates reported from their Airtel Digital interviews, most frequently asked first. Each links to the write-up it came from, so you can see the round and how it went.
Airtel Digital coding and DSA questions
- 01
Unique Paths in 2D Matrix
Given an m n 2D matrix, you are at position (0,0) and need to reach the destination (m-1, n-1). Allowed operations are: - Move right - Move down You need to find the total number of unique ways to reach the destination.
From Airtel Digital Interview Experience (Sr. Fullstack Engineer)
- 02
Find Second Highest Salary
Find the second highest salary from a table named Employee .
From Airtel Digital Interview Experience (Sr. Fullstack Engineer)
- 03
Next Permutation
LeetCode problem: Next Permutation.
Medium · From Airtel Digital Interview Experience (Sr. Fullstack Engineer)
- 04
Inorder Traversal of BST
Write code for inorder traversal of a Binary Search Tree (BST).
From Airtel Digital Interview Experience (Sr. Fullstack Engineer)
Airtel Digital system design questions
- 01
Design LRU Cache
Design an LRU Cache where all operations should work in O(1) time.
From Airtel Digital Interview Experience (Sr. Fullstack Engineer)
Airtel Digital other questions
- 01
Explain @Transactional
Explain concepts related to Spring Boot's @Transactional annotation.
From Airtel Digital Interview Experience (Sr. Fullstack Engineer)
- 02
Explain @Qualifier
Explain concepts related to Spring Boot's @Qualifier annotation.
From Airtel Digital Interview Experience (Sr. Fullstack Engineer)
- 03
Explain @Bean
Explain concepts related to Spring Boot's @Bean annotation.
From Airtel Digital Interview Experience (Sr. Fullstack Engineer)
- 04
Explain Dependency Injection (DI)
Explain concepts related to Dependency Injection (DI).
From Airtel Digital Interview Experience (Sr. Fullstack Engineer)
- 05
Explain Inversion of Control (IoC)
Explain concepts related to Inversion of Control (IoC).
From Airtel Digital Interview Experience (Sr. Fullstack Engineer)
Airtel Digital interview questions FAQ
What questions are asked in Airtel Digital interviews?
Candidates reported 10 distinct questions across 1 Airtel Digital interviews. 4 coding and DSA questions, 1 system design questions, 5 other questions.