Mphasis Sdet (Software Development Engineer in Test) Interview Questions and Answers

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Q1. Selenium framework, exceptions, how to right click double click,
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Q2. Rest assured, serialization , how to send POST request
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Q1. 2 sum problem in different approach
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Q2. Maximum sub array sum
Ans. 
Find the maximum sum of a contiguous subarray within an array of integers.
• Use Kadane's algorithm to find the maximum subarray sum efficiently.

• Initialize two variables - maxEndingHere and maxSoFar.

• Iterate through the array and update the variables accordingly.

• Example: Input [1, -2, 3, 4, -1, 2, 1, -5, 4], Output: 10 (subarray [3, 4, -1, 2, 1])
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Q1. Design LLD for factory pattern
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Factory pattern is a creational design pattern that provides an interface for creating objects in a superclass, but allows subclasses to alter the type of objects that will be created.
• Create an interface or abstract class to define the factory method

• Create concrete classes that implement the interface or extend the abstract class

• Factory class should have a method that returns an object of the interface type based on in
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Java code to print the duplicate numbers in an array without using Set or Map

Q1. What is your expected salary?
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Q1. Array sorting for a given input.
Ans. 
Array sorting for a given input involves arranging elements in a specific order.
• Use built-in sorting functions like sort() in programming languages such as Java, Python, or JavaScript.

• Consider the sorting algorithm complexity for large arrays.

• Ensure the sorting is done based on the specific requirements like alphabetical order or numerical order.
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Q2. Rotation of array to right by 2 position
Ans. 
Rotate array to right by 2 positions
• Create a new array with the same length as the original array

• Copy elements from original array starting from index (length - 2) to the new array

• Copy elements from original array starting from index 0 to (length - 3) to the new array

• Return the new array as the rotated array
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Q1. Ask about java streams and lambda function?
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Q2. Questions from scenario based testing
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SQL, Python - basics of SQL and how to populate values in a list using functions

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C aptitude questions and problem solving solution.. Coding test 2 hour

Q1. Technical interview 1 hr
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