UST BlueConch Technologies QA Automation Engineer Interview Questions and Answers

Q1. Software Testing
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Q2. Application based QA questions
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Q1. Software testing, QA and Resume based questions
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Q2. Automation and programming related questions
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Q1. Reverse String without Java In built Function
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Reverse a string without using Java built-in functions
• Create a character array from the input string

• Use two pointers to swap characters at the beginning and end of the array until they meet

• Convert the character array back to a string
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Q2. Difference Between Relative Xpath & Absolute Xpath
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Relative Xpath is based on the current node while Absolute Xpath starts from the root node of the XML document.
• Relative Xpath does not start with a forward slash (/) while Absolute Xpath starts with a forward slash (/).

• Relative Xpath is more flexible and less prone to changes in the structure of the XML document.

• Absolute Xpath is more specific and provides the full path to the element in the XML document.

• Relative Xpath...read more
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In this first round it was of 45mins which included MCQ question and 1 coding question.

Q1. 1.Difference Between Const,Var,Char. 2.Oop's concept with example 3.JavaScript is async or sync language and explain the reason. 4.How to create a simple object in JavaScript. 5.Find element and Find Eleme...read more
Ans. 
Answers to common interview questions for Automation Test Engineer position.
• Const is used for constant values that cannot be reassigned, var is used for variable declaration, and char is a data type for storing characters in programming languages.

• OOPs concepts include inheritance, encapsulation, polymorphism, and abstraction. Example: Inheritance allows a class to inherit properties and methods from another class.

• JavaS...read more
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Q2. What is Type coercion?
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Type coercion is the process of converting one data type to another in programming.
• Type coercion can happen implicitly or explicitly in programming languages.

• Implicit type coercion occurs when the language automatically converts data types during operations.

• Explicit type coercion occurs when the programmer manually converts data types using functions or operators.

• Example: In JavaScript, the addition operator (+) can pe...read more
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Q3. What is Inheritance? Polymorphism?
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Inheritance is a mechanism in object-oriented programming where a class inherits properties and behaviors from another class. Polymorphism allows objects of different classes to be treated as objects of a common superclass.
• Inheritance allows for code reusability by defining a new class based on an existing class.

• Polymorphism enables flexibility in programming by allowing objects to be treated as instances of their pare...read more
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Q4. API Error code with explaination?
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API error codes are unique identifiers used to indicate specific errors in an API response.
• API error codes are typically numeric or alphanumeric codes that correspond to specific errors in the API.

• Each error code should have a corresponding explanation in the API documentation to help developers understand the issue.

• Examples of API error codes include 400 Bad Request, 401 Unauthorized, and 404 Not Found.
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Q1. Introduce Yourself? Why should we hire you? What is your relevant experience? Tell me about yourself? What are your salary expectations?
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Q1. Tell me something about Oops concepts
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Oops concepts refer to Object-Oriented Programming principles such as Inheritance, Encapsulation, Polymorphism, and Abstraction.
• Inheritance: Allows a class to inherit properties and behavior from another class.

• Encapsulation: Bundling data and methods that operate on the data into a single unit.

• Polymorphism: Ability to present the same interface for different data types.

• Abstraction: Hiding the complex implementation det
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Q2. What is the difference between Abstract class and Interface
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Abstract class can have both abstract and non-abstract methods, while Interface can only have abstract methods.
• Abstract class can have constructors, fields, and methods, while Interface cannot have any implementation.

• A class can implement multiple interfaces but can only inherit from one abstract class.

• Abstract classes are used to provide a common base for multiple classes, while Interfaces are used to define a contrac...read more
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Q1. Write xpath for makemy trip application
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XPath for locating elements on MakeMyTrip application
• Use unique attributes like id, class, name, etc. to create XPath

• Avoid using indexes in XPath as they can be unreliable

• Use contains() and starts-with() functions for dynamic attributes

• Consider using parent-child relationships for complex structures
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Q2. Exception handling , stale element exception
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Q1. About my experience
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Q2. About my project and automation work
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Q1. About my notice period
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Q2. About my expected ctc
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General aptitude and out put realted questions

Face to face dsa and string manipulations

2 array question 1 on sorting other one is for searching