25 questions 路 from 2 interviews
Adp interview questions
Every question candidates reported from their Adp interviews, most frequently asked first. Each links to the write-up it came from, so you can see the round and how it went.
Adp coding and DSA questions
- 01
SQL Query to Find Second Highest Salary
Write an SQL query to find the second highest salary from a table.
Medium 路 From ADP | GPT Intern | 4 Rounds | June 2025
- 02
Python Program to Print Character Frequencies
Write a Python program to print the frequency of each character in a given string.
Easy 路 From ADP | GPT Intern | 4 Rounds | June 2025
- 03
Implement and Explain Quick Sort
Write and explain Quick Sort with an example. Includes follow-up questions: Which sorting algorithm is best? Why is Quick Sort better than Merge Sort? Time complexities of both? Quick Sort being in-place, unlike Merge Sort?
Medium 路 From My ADP Internship Interview Experience | On-Campus | 3 Rounds | Not Selected 馃様
- 04
Implement and Optimize Bubble Sort
When I got stuck, I was asked to write any sorting algorithm. I wrote Bubble Sort and optimized it.
Easy 路 From My ADP Internship Interview Experience | On-Campus | 3 Rounds | Not Selected 馃様
- 05
Searching Methods and Binary Search
What are the two searching methods? Explain how binary search is applied to an array? Time complexities and why?
Easy 路 From My ADP Internship Interview Experience | On-Campus | 3 Rounds | Not Selected 馃様
- 06
Detect Start of Cycle in Linked List
Detect start of a cycle in a linked list?
Medium 路 From My ADP Internship Interview Experience | On-Campus | 3 Rounds | Not Selected 馃様
- 07
Implement Insert Node in Middle of Linked List
Implement insert node in middle of a linked list?
Medium 路 From My ADP Internship Interview Experience | On-Campus | 3 Rounds | Not Selected 馃様
Adp behavioural and HR questions
- 01
- 02
Tell me about your family background
Tell me about your family background.
- 03
Why should we hire you?
Why should we hire you for this role?
- 04
Where do you see yourself in the next five years?
Where do you see yourself in the next five years?
- 05
Comfortable relocating and working night shifts?
Are you comfortable with relocating and working night shifts?
- 06
Scenario-based behavioral questions
Answer a few scenario-based behavioral questions.
Adp other questions
- 01
Difference between ArrayList and LinkedList
Explain the differences between ArrayList and LinkedList in Java.
- 02
- 03
OOP Principles with Examples
Explain Object-Oriented Programming (OOP) principles with relevant examples.
- 04
Exception Handling in Java
Discuss exception handling mechanisms in Java.
- 05
SQL Joins
Explain different types of SQL Joins and be prepared to write queries using them.
- 06
Difference between Truncate and Delete
What is the difference between TRUNCATE and DELETE commands in SQL?
- 07
GROUP BY and HAVING in SQL
Explain the usage of GROUP BY and HAVING clauses in SQL.
- 08
Explain Types of Polymorphism
Explain types of polymorphism with code?
Easy 路 From My ADP Internship Interview Experience | On-Campus | 3 Rounds | Not Selected 馃様
- 09
Explain Inheritance
What is inheritance and example?
Easy 路 From My ADP Internship Interview Experience | On-Campus | 3 Rounds | Not Selected 馃様
- 10
Data Augmentation Technique
Write a data augmentation technique used in a past internship.
From My ADP Internship Interview Experience | On-Campus | 3 Rounds | Not Selected 馃様
- 11
PyTorch, Pandas CSV Reading and Filtering
What is PyTorch? (skill mentioned on my resume), reading a CSV using Pandas, and filtering data with conditions.
From My ADP Internship Interview Experience | On-Campus | 3 Rounds | Not Selected 馃様
- 12
Agentic AI Projects
Have you done any projects or built something using Agentic AI?
From My ADP Internship Interview Experience | On-Campus | 3 Rounds | Not Selected 馃様
Adp interview questions FAQ
What questions are asked in Adp interviews?
Candidates reported 25 distinct questions across 2 Adp interviews. 7 coding and DSA questions, 6 behavioural and HR questions, 12 other questions.
How difficult are Adp interview questions?
Of the questions candidates rated, 56% were easy, 44% medium and 0% hard.