Oracle Senior 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
Ans. 
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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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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General aptitude and out put realted questions

Face to face dsa and string manipulations

2 dsa questions 1 hour time limit. easy-medium level

Q1. Questions on python,c,c++. OOPS and DSA questions
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Q1. Implementations of projects mentioned on my resume, couple of DSA questions
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Q1. Question related to playwright and selenium
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Q1. Behavioural questions
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Q1. DB Testing. SQL Queries
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Q2. API testing. Different API methods
Ans. 
API testing involves testing different methods of APIs to ensure they function correctly.
• API methods include GET, POST, PUT, DELETE

• GET method is used to retrieve data from the server

• POST method is used to send data to the server

• PUT method is used to update existing data on the server

• DELETE method is used to remove data from the server
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Q1. Critical thinking skills. Project contribution
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Q2. Analytical thinking skills. Deep dive into core automation.
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Q1. Experience discussion. Job change reason
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Q2. Salary discussion and negotiation.
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