Automatic Data Processing (ADP) QA Automation Engineer Interview Questions and Answers

Q1. Tell me something about Oops concepts
Ans. 
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. Reverse of a sting
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Reverse a string means to flip the characters in the string order.
• Use a loop to iterate through the characters of the string in reverse order

• Append each character to a new string to build the reversed string

• Alternatively, use built-in functions like reverse() in some programming languages
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Q2. Print the characters of ur name which are not repetative in nature
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To print the characters of my name which are not repetitive, I would iterate through each character and only print those that appear once.
• Iterate through each character in the name

• Check if the character appears only once in the name

• Print the character if it is not repetitive
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Q1. Application used
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The application used for automation testing is Selenium WebDriver.
• Selenium WebDriver is a popular tool for automating web applications.

• It supports multiple programming languages such as Java, Python, and C#.

• Selenium WebDriver allows testers to interact with web elements and perform actions like clicking buttons, entering text, and verifying text.

• It can be integrated with testing frameworks like TestNG and JUnit for tes...read more
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Q2. Framework used in your current project
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We are using the Page Object Model framework in our current project.
• Page Object Model helps in creating reusable and maintainable code by separating the page elements and their actions into separate classes.

• It improves test maintenance and reduces code duplication.

• Example: We have separate classes for each page in our application, containing locators and methods to interact with those elements.
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Q1. What is salary expectation
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6 questions asked in an interview

Q1. Slider window problem
Ans. 
The slider window problem involves finding the maximum sum of a subarray of a fixed size k within an array of integers.
• Use a sliding window approach to efficiently find the maximum sum subarray.

• Keep track of the current sum within the window and update it as you slide the window.

• Maintain a variable to store the maximum sum found so far.

• Example: Given array [1, 3, -1, -3, 5, 3, 6, 7] and window size k=3, the maximum sum
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Q2. Stock buy sell problem
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The stock buy sell problem involves finding the maximum profit that can be made by buying and selling a stock at the right times.
• Calculate the difference between each pair of consecutive prices in the array

• Find the maximum subarray sum of the differences using Kadane's algorithm

• The maximum subarray sum is the maximum profit that can be made
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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

Q1. Technical questions related to autosar
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Q1. Question related to your projects and autosar.
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