QualityKiosk Technologies QA Trainee Interview Questions, Process, and Tips

First group discussion round and after that there will be Aptitude test . Very poor company they don't have PC's for the candidates to give test .They will say you go home and give test .

Q1. What is stack and Queue?
Ans. 
Stack is a data structure that follows Last In First Out (LIFO) principle. Queue is a data structure that follows First In First Out (FIFO) principle.
• Stack: LIFO principle, push and pop operations, examples - browser history, function call stack

• Queue: FIFO principle, enqueue and dequeue operations, examples - printer queue, message queue
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Q2. Difference between Error and Exception?
Ans. 
Error is a syntactical mistake in code, while Exception is a runtime issue that disrupts program flow.
• Error is a compile-time issue, while Exception is a runtime issue

• Errors are generally caused by the programmer, while Exceptions are caused by the environment or user input

• Examples of Errors include syntax errors, missing semicolons, etc.

• Examples of Exceptions include NullPointerException, ArrayIndexOutOfBoundsExceptio
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Q3. Write a Program to reverse the String?
Ans. 
Program to reverse a string
• Use a loop to iterate through the characters of the string

• Append each character to the beginning of a new string

• Return the reversed string
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Q4. Testing Question What is defect ?
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Q5. Explain OOPS ?
Ans. 
OOPS stands for Object-Oriented Programming. It is a programming paradigm based on the concept of objects.
• OOPS focuses on creating objects that contain data and methods to manipulate that data.

• It allows for encapsulation, inheritance, and polymorphism.

• Example: Inheritance - a class 'Dog' can inherit traits from a class 'Animal'.
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