Optum Global Solutions Quality Engineer Interview Questions and Answers

Q1. Array and array list difference
Ans. 
Array is a fixed size data structure while array list is a dynamic size data structure.
• Array is a basic data structure in programming with a fixed size.

• Array list is a dynamic data structure that can grow or shrink in size.

• Array elements are stored in contiguous memory locations.

• Array list elements are stored in non-contiguous memory locations.

• Array list allows insertion and deletion of elements at any position.

• Array d...read more
Answered by AI
View 2 more answers
Q2. Hashmap and hashset difference
Ans. 
Hashmap stores key-value pairs while hashset stores only unique values.
• Hashmap allows null keys and values while hashset doesn't allow null values.

• Hashmap uses key to retrieve value while hashset uses value itself to retrieve.

• Example: Hashmap - {1:'one', 2:'two'}, Hashset - {'one', 'two', 'three'}
Answered by AI
Add your answer

Q1. What are your salary expectations?
Add your answer
Q2. What is your family background?
Add your answer
Q3. Why should we hire you?
Add your answer
Q4. Tell me about yourself.
Add your answer

Basic mcq questions of java and selenium

Q1. Basic java questions:- abstract class,interface,collection hierarchy, maps etc
Add your answer
Q2. Explain your framework, types of waits and all other selenium commands, javascriptexecutor
Ans. 
My framework is based on Page Object Model and uses TestNG for test execution. I use explicit and implicit waits as well as fluent waits.
• I use Page Object Model for better organization and maintenance of code

• I use TestNG for test execution and reporting

• I use explicit waits for specific conditions to be met before proceeding with the test

• I use implicit waits to set a default waiting time for all elements

• I use fluent wai...read more
Answered by AI
Add your answer

Q1. Salary and joining related discussion
Add your answer