Thomson Reuters Software QA Engineer Interview Questions and Answers

Hacker rank mcq medium to hard level 1 hr duration

Q1. Oops , diff composition and inheritance
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Q2. Design pattern explain singleton , abstract factory
Ans. 
Singleton ensures a class has only one instance, while Abstract Factory provides an interface for creating families of related objects.
• Singleton pattern restricts the instantiation of a class to one object, ensuring there is only one instance of the class.

• Abstract Factory pattern provides an interface to create families of related or dependent objects without specifying their concrete classes.

• Singleton pattern can be i...read more
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Q3. Implement linked list , all combination string in python
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Implement linked list and generate all combination strings in Python.
• Create a Node class to represent each element in the linked list.

• Implement methods to add nodes, delete nodes, and generate all combinations of strings.

• Use recursion to generate all combinations of strings.
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Q1. Introduction about my skills and projects
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Q2. Situation based question on my projects , talk about security and performance in my projects
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Q1. Introduction about me and my family members
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Q2. Relocation comfortable , about my friends who are placed , why many people from my college
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Q1. What is inheritance?
Ans. 
Inheritance is a concept in object-oriented programming where a class inherits properties and behaviors from another class.
• Allows a class to reuse code from another class

• Creates a parent-child relationship between classes

• Derived class inherits attributes and methods from base class
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Q2. What is oop principles?
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OOP principles are the fundamental concepts of object-oriented programming that help in designing and implementing software solutions.
• Encapsulation: Bundling data and methods that operate on the data into a single unit (class).

• Inheritance: Allowing a class to inherit properties and behavior from another class.

• Polymorphism: The ability of objects to take on multiple forms or have multiple behaviors.

• Abstraction: Hiding t...read more
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Q3. What is polymorphism principle?
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Polymorphism is the ability of a function or method to behave differently based on the object it is acting upon.
• Polymorphism allows objects of different classes to be treated as objects of a common superclass.

• It enables a single interface to be used for different data types or objects.

• Examples include method overloading and method overriding in object-oriented programming languages like Java.
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HashMaps and String-based questions

Q1. The interview asked 2 coding questions: 1. 2-Sum 2. Largest Palindrome in a string Apart from this there were questions on real life OOPS principles
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Q1. This was a resume drill-down on projects/skills. It had CS fundamental questions along with OOPs questions
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Q1. It was a manager round having standard team based/ situation based leadership questions
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Q1. Standard HR questions- strength/weakness
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Karet Interview :
5 back to back System design question, we don't need to explain each component but more like list as many as points. Need to finish all the question in 15min

1-2 problem solving question : It's not fency algorithm round with tough question. But true problem solving round using basic knowledge such as hashmap, heap

Q1. Design File System : You have given file size and collection in input 1 : get total size 2 : find top k collections in size
Ans. 
Design a file system to calculate total size and find top k collections in size.
• Create a file system class with methods to add files and calculate total size.

• Maintain a data structure to store the collections and their sizes.

• Implement a method to find the top k collections based on size.

• Consider using a priority queue or sorting the collections based on size.

• Handle edge cases like empty collections or invalid input siz
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Q2. Find total size
Ans. 
Calculate the total size of an array of strings.
• Iterate through the array and sum the length of each string.

• Use the `length` property of each string to get its size.

• Handle edge cases such as empty strings or null values.
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Q3. Find Top k collections
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The question is asking to find the top k collections.
• Use a sorting algorithm to sort the collections in descending order based on a specific criteria.

• Select the top k collections from the sorted list.

• Return the selected collections as an array of strings.
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Q1. LRU Cache question and couple on array
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Q1. System Design question related to Lift
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Q1. Managerial, project related and SQL
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2 coding questions with difficulty level easy to medium and duration was 1hr in HackerEarth.

Q1. This round went very well, panelist asked basic coding questions and one logic question.
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Q2. 1. reverse a string 2. find the 2nd max value in a array 3. write a code for BST
Ans. 
This JSON response provides answers to three interview questions for a Software Engineer position.
• To reverse a string, you can use built-in string manipulation functions or iterate through the string and swap characters from both ends.

• To find the 2nd max value in an array, you can sort the array in descending order and return the element at index 1.

• To write a code for a Binary Search Tree (BST), you need to define a No...read more
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Q1. This round is mostly based on my resume based question
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Q2. What projects have you done and asked about internship where I have worked recently.
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