AppSuccessor QA Engineer Interview Questions and Answers for Freshers

First round is the coding test in which it involves multiple choice questions based on programming , output questions in which we have to write output of a given code, and 2-4 theoretical question based on oops , dsa and mysql. Overall the test was very simple and easy.

Q1. What is inheritance and its types?
Ans. 
Inheritance is a concept in object-oriented programming where a class inherits attributes and methods from another class.
• Types of inheritance include single inheritance, where a class inherits from only one parent class

• Multiple inheritance, where a class inherits from more than one parent class

• Multilevel inheritance, where a class inherits from a derived class, which in turn inherits from another class

• Hierarchical inhe...read more
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Q2. Swap two variables without using third variable
Ans. 
To swap two variables without using a third variable, use arithmetic operations.
• Use addition and subtraction to swap values

• Example: a = 5, b = 10. a = a + b (a = 15), b = a - b (b = 5), a = a - b (a = 10)
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Q3. Question about error handling in python
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Q4. Write a code to implement exception in python
Ans. 
Implementing exception handling in Python code
• Use try-except block to catch and handle exceptions

• Raise custom exceptions using 'raise' keyword

• Use 'finally' block to execute code regardless of exception

• Handle specific exceptions using 'except' with specific exception type
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In this round you have to solve 3 section where first section has 10 technical MCQ, second section has three code problem for which You have to write output and then last section has 3 code but have to write two code and for one question you have to write percentage.