Uniphore Software Systems Interview Questions and Answers

2 DSA problem, 1 JavaScript problem, 1 React problem

Q1. Scenario based SQL query needs solve using triple join
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Q2. Stack implementation with additional method/function that will always return minimum number present in stack
Ans. 
Implement a stack with a method to return the minimum number in O(1) time complexity
• Create a stack to store numbers and another stack to store minimum numbers encountered so far

• When pushing a number, check if it is smaller than the current minimum and push it to the minimum stack

• When popping a number, check if it is the current minimum and pop from the minimum stack if necessary

• The top of the minimum stack will always
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Q3. Sum of consecutive numbers in circular linked list
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To find the sum of consecutive numbers in a circular linked list, iterate through the list and keep track of the sum.
• Iterate through the circular linked list starting from a given node

• Keep track of the sum of consecutive numbers as you traverse the list

• Handle the case when the list loops back to the starting node
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Q4. Explain polymorphism with examples
Ans. 
Polymorphism is the ability of a single function or method to operate on different types of data.
• Polymorphism allows objects of different classes to be treated as objects of a common superclass.

• There are two types of polymorphism: compile-time (method overloading) and runtime (method overriding).

• Example of compile-time polymorphism: function overloading where multiple functions have the same name but different paramete...read more
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Q5. Explain inheritance, its types and examples
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Inheritance is a concept in object-oriented programming where a class inherits attributes and methods from another class.
• Types of inheritance: single inheritance, multiple inheritance, multilevel inheritance, hierarchical inheritance

• Examples: Animal class can be inherited by Dog and Cat classes, Vehicle class can be inherited by Car and Bike classes
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Q6. What is React ? What is NPM? Why have you used it in your project
Ans. 
React is a JavaScript library for building user interfaces. NPM is a package manager for JavaScript.
• React is used for creating interactive UI components

• NPM is used for managing dependencies and packages in JavaScript projects

• I used React in my project for its component-based architecture and virtual DOM efficiency

• I used NPM in my project to easily install and manage third-party libraries and tools
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Q1. Introduction ( first question in every round)
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Q2. General questions
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Q1. Introduction / overall feedback for all rounds
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Q1. Tell me a bit about yourself. Are you ok with learning the Workday's proprietary language Xpresso? Are you ok with being in office 50% of the work time?
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Q1. All behavioral questions like tell me about a time when you disagree with some, tell me about a time when you need to explain something to someone, what motivates you to go beyond expectations in your work...read more
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