ADP Java Selenium Interview Questions

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.