ADP Hyderabad Interview questions
Company Name: ADP
Company Location: Hyderabad, India
Updated on: 24.03.2021
- What is the oop principle, where you used polymorphism in your project?
- Why we are injecting interface reference in the spring framework why not direct implementation?
- Tell me Hash Map implementation
- Difference between Linked List and Array List
- How to make a map as synchronized map
- What is the difference between Collections.synchronizedMap(m) and concurrent hash map
- Difference between forEach and iterator
- Can we instantiate interface if not then why?
- Difference between classNotFoundException and NoClassDefError in which situation we will face this?
- WAP to find the number of vowels present and their count from given input String
- What is serializable? If my business object does not implement serializable is there any problem?
ADP Automation Interview Questions
- Explain your framework?
- Write a query for max salary from the employee table?
- Write a query for fetching dept testing count and dept development count from table and order by dept.
- Write a query for the 4th highest salary from a table.
- What are the joins?
- What inner joins give and what full outer join gives?
- Int a=22555; write a program to count number digits in a given number. don’t convert to a string.
- Write a program for the prime number?
- In the web table, every cell has “*” but one cell has Letter “A” Now write XPath for “*” which is beside the letter “A” cell.
Read Also: Selenium Webdriver Architecture
ADP Manual Testing Interview Questions
- How is your project model goes with respect to the waterfall model?
- Difference between Defect severity and Defect Priority?
- What are the Black box and White box testing?
- Prepare Test case/Scenario for covering Calculator?
- Difference between Inner Join and Left outer with an example?
- The query for retrieving managers for all employees.
- Difference between Smoke and Sanity Testing?
- Aggregate Functions in SQL?
- Do you have any idea about QC or ALM?
- How will you log Issues?
- How do you test a web page-Application?
- Test Case Design Techniques- Boundary Value Analysis and Equivalence Class Partitioning.