Vitrana Software Developer Interview Questions and Answers

Q1. Oops related insharitance encapsulation
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They asked easy to medium DSA . It includes arrays, strings, recursion.

Q1. What is oops, what is abstraction
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OOPs stands for Object-Oriented Programming. Abstraction is the concept of hiding complex implementation details and showing only necessary features of an object.
• OOPs is a programming paradigm that uses objects and classes to design and develop applications.

• Abstraction is the process of hiding the implementation details and showing only the necessary features of an object.

• For example, a car can be represented as an obj...read more
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Two Easy questions to be solved

Q1. Some Technical based questions
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Q2. It was amazing . Interviewer asked me to code for heap sort and asked me to explain.
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Q3. Write a code for heap sort algorithm and explain it?
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Heap sort is a comparison-based sorting algorithm that uses a binary heap data structure.
• Heap sort works by building a binary heap from the array and then repeatedly extracting the maximum element and placing it at the end of the array.

• The heap is maintained as a complete binary tree, where each parent node is greater than or equal to its children.

• The time complexity of heap sort is O(n log n) and it is an in-place sor...read more
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Q1. Performace optimization, caching, redis
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Q2. Immutable class, single ton pattern
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Q1. Difference b/w full and partial selectors
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Full selectors select all descendants of a specified element, while partial selectors select only direct children.
• Full selectors use a space between the parent and child elements, while partial selectors use the > symbol.

• Full selectors are more general and can target multiple levels of descendants, while partial selectors are more specific and target only direct children.

• Example of full selector: div p selects all

  ele...read more
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Q2. What is Screen scraping and data scraping
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Screen scraping is extracting data from a website's HTML code, while data scraping is extracting data from various sources.
• Screen scraping involves extracting data from the visual representation of a website, usually using automation tools like web scrapers.

• Data scraping involves extracting data from various sources such as databases, APIs, and documents.

• Both screen scraping and data scraping are used to collect and an...read more
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Aptitude related questions asked in form of mcq.

Coding questions are given

Q1. Asked about sql queries
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Q2. Asked about oops concept
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Q1. Asked about projects
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Q2. Asked about goals
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