Soliton Technologies Software Trainee Interview Questions and Answers

Questions on maths and reasoning

Q1. Find the number of pairs with difference equal to given value k
Ans. 
Count pairs in an array with a given difference
• Sort the array to easily find pairs

• Use two pointers approach to find pairs with difference equal to k

• Keep track of unique pairs to avoid duplicates
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Q2. C and C++ OOPs questions were asked
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2 problem was given to solve
1) Smallest Negative balance - -----%20America%20-%20Weekly%20Algorithm%20Challenges/Week%2021%20Algorithm%20Challenge/Smallest%20Negative%20Balance.md
2) Find the absolute difference between alpha & beta from the array.
Alpha -An element k in a array occurs k consecutive time
Beta - An element k in an array occurs k consecutive time starting from index k

Sample input
Arr[] = {2,2,2,4,4,4,4,1,2,2]
Output
Alpha - 3
Beta - 1
Absolute difference - 1

Note : consider array index starts with 1

Q1. Multiple C, C++ DSA Questions
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Easy aptitude and MCQ questions in C

Q1. Inheritance, Virtual functions, and projects from resume
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Q2. How to implement inheritance, use case
Ans. 
Inheritance in software development allows a class to inherit properties and behaviors from another class.
• Create a base class with common properties and methods

• Create a derived class that inherits from the base class

• Use the 'extends' keyword in languages like Java or C++

• Override methods in the derived class if necessary

• Access parent class methods using 'super' keyword
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Q3. Virtual functions usage in code
Ans. 
Virtual functions are used in object-oriented programming to achieve polymorphism by allowing a function to be overridden in a derived class.
• Virtual functions are declared in a base class with the 'virtual' keyword and can be overridden in derived classes.

• They allow a function to be called based on the actual type of an object rather than the declared type.

• Virtual functions are used to achieve runtime polymorphism in C...read more
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Q4. What Problems did u overcome in your project
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Q1. Selenium xpath and dynamic loading of elements
Ans. 
Selenium xpath is used to locate elements on a web page, especially useful for dynamic loading scenarios.
• Use xpath to locate elements based on their attributes or position on the page

• For dynamic loading, use explicit waits to ensure elements are present before interacting with them

• Consider using relative xpath expressions to make your tests more robust and maintainable
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Q2. Java programs on strings
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Q3. Test Ng architecture explain
Ans. 
TestNG is a testing framework inspired by JUnit and NUnit, with more advanced features for test automation.
• TestNG uses annotations to define test methods and test configurations.

• It supports parameterized tests, test dependencies, and test groups.

• TestNG allows parallel execution of tests, making it faster than other testing frameworks.

• It provides detailed test reports and supports data-driven testing.

• TestNG can be integ...read more
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Q1. Get your basic coding skills right
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Q2. Snippets for all concepts
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Q1. Python basic questions
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