Paramatrix Technologies Software Engineer Trainee Interview Questions and Answers

Q1. Current company project and tech stack related
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Q2. Very basic selenium and java interview questions asked verbally
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Q3. 30 min interview
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Q1. Write code in java for following input String s = "abdc112kg45ldy4p9" to get output sum = 170.
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Q2. Some basic selenium, testng, cucumber bdd questions
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Q3. Its a 40 min coding round
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Q1. Java code in order to find the day if we give jan 1 as monday. then what day is sept 14.
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Q2. Selenium Xpath related questions to find it in website of flipkart sellers page.
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Q3. Show nullpointer error using java code.
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Q4. Selenium, TestNG, Cucumber Questions
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Q5. 45 min high level technical round
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Q1. General discussion related to current company tecstack and work.
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Q2. General Managerial Round/HR Round questions related to cultural or behavioral fit.
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Q3. 30 min short discussion
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Q1. Sql related questions were asked
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Q2. Manual testing questions were asked
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Q3. Joins questions
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Q4. Where clause questions
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Q5. Manual testing questions
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Basic OOP questions for python programming language

Q1. What's abstraction
Ans. 
Abstraction is the concept of hiding complex implementation details and showing only the necessary information to the user.
• Abstraction allows users to focus on what an object does instead of how it does it

• It helps in reducing complexity and improving efficiency in software development

• Example: In object-oriented programming, abstract classes and interfaces are used to achieve abstraction
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Q2. What's the difference between SQL and NoSQL database
Ans. 
SQL databases are relational databases with structured data, while NoSQL databases are non-relational databases with flexible, unstructured data.
• SQL databases use structured query language for defining and manipulating data, while NoSQL databases use different query languages or APIs.

• SQL databases are table-based, with a predefined schema, while NoSQL databases are document, key-value, wide-column, or graph-based.

• SQL d...read more
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Q1. Reverse a linked list
Ans. 
Reverse a linked list by changing the direction of pointers
• Start with three pointers: current, prev, and next

• Iterate through the linked list, updating pointers to reverse the direction

• Update the head of the linked list to the last node after reversing
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Q2. Implement binary search algorithm
Ans. 
Binary search algorithm efficiently finds the target value in a sorted array.
• Start by defining the low and high indices of the array.

• Calculate the mid index and compare the target value with the value at mid.

• If target is less than mid value, update high to mid-1; if greater, update low to mid+1.

• Repeat until target is found or low is greater than high.
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Q1. Brief Introduction and basic questions
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Q2. Future plans and how am i going to achieve them
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A good DSA question, based on array manipulation and queues. Platform was Zoom call, so you can use any online IDE.

Q1. Question related to previous job Experience
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Q2. Questions related to OOPS concepts
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Q3. Question on System Design and Fundamentals of Language.
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Q1. Past Experience
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Q2. How you tackle with challenges in less time
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Q3. How you handle complete new tech stack?
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Q4. Approach towards trivial puzzles.
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Q1. Compensation Decisions
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Q1. Sorting of an array
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Q2. Bubble sorting algorithm
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Q1. Java oops question
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Q1. API questions related to put and patch api
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Medium level leetcode question

Q1. Explain about your project
Ans. 
Developed a web application for managing inventory and sales for a retail store.
• Used React.js for front-end development

• Implemented RESTful APIs using Node.js and Express for back-end

• Utilized MongoDB for database management

• Incorporated authentication and authorization features for secure access
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Q2. Explain functionalities in detail
Ans. 
Functionalities in software development refer to the specific tasks or actions that a software program can perform.
• Functionalities are the specific features or capabilities of a software program.

• They define what the software can do and how it can be used.

• Examples of functionalities include user authentication, data encryption, and file management.

• Functionalities can be implemented through code modules or libraries.

• Test...read more
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Create an API using Notepad to check if a string is a palindrome or not.

Q1. Solid principal
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Q1. Basics of CS fundamentals
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Q2. Deep diving into projects and college curriculum
Ans. 
I have experience deep diving into projects and college curriculum, gaining valuable skills and knowledge.
• I have completed multiple projects during my college years, where I delved deep into the subject matter to understand it thoroughly.

• I have a strong academic background in software development, which has equipped me with the necessary skills to analyze and comprehend complex topics.

• I actively seek out opportunities ...read more
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Q1. Explain OOPS concepts
Ans. 
OOPS concepts refer to Object-Oriented Programming principles like inheritance, encapsulation, polymorphism, and abstraction.
• Inheritance: Allows a class to inherit properties and behavior from another class.

• Encapsulation: Bundling data and methods that operate on the data into a single unit.

• Polymorphism: Ability to present the same interface for different data types.

• Abstraction: Hiding the complex implementation detail
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Q2. Family background and General QnA
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