Dell Quality Engineer Interview Questions and Answers

Basic aptitude on java application and framework

Q1. What is mutable type
Ans. 
A mutable type is a data type whose values can be changed after they are created.
• Mutable types include lists, dictionaries, and sets in Python.

• Changes to mutable objects affect all references to that object.

• Example: list1 = [1, 2, 3], list1[0] = 4 will change the value of list1 to [4, 2, 3].
Answered by AI
Add your answer
Q2. What is functional interface
Ans. 
A functional interface is an interface that contains only one abstract method.
• Functional interfaces can have multiple default or static methods.

• Examples include Runnable, Callable, and ActionListener interfaces.

• Functional interfaces can be implemented using lambda expressions.
Answered by AI
Add your answer
Q3. Updates in java 17
Ans. 
Java 17 introduces new features like sealed classes, pattern matching for switch statements, and more.
• Sealed classes restrict which classes can be subclasses

• Pattern matching for switch statements simplifies code by combining declaration and assignment

• New APIs like JEP 356: Enhanced Pseudo-Random Number Generators
Answered by AI
Add your answer

It was well organised

Q1. Writing an SQL query
Add your answer
Q2. Explaining the prev responsibilities
Ans. 
Previous responsibilities included ensuring product quality, conducting inspections, analyzing data, and implementing improvements.
• Conducted quality inspections on products to ensure they met standards

• Analyzed data to identify trends and areas for improvement

• Implemented quality control measures to enhance product quality

• Collaborated with cross-functional teams to address quality issues

• Participated in root cause analysi...read more
Answered by AI
Add your answer

3 dsa questions and various golang concepts and 1 concurrency question

Q1. System design questions
Add your answer

Coding round to clear testcases, to get into next round that is English test.

Q1. English round was just 30 minutes quick exam.
Add your answer

Q1. All basic coding questions and managerial question on situation based.
Add your answer

Q1. 1.Tell about yourself. 2.written test.
Add your answer
Q2. Salary structure explained,If salary ok means they told me to join next day itself.
Ans. All the things i accepted and joined.
Answered Anonymously
Add your answer