Krishat Pharma Industries Senior Software Engineer Interview Questions and Answers

String and arrays duplicate and sorting questions

Q1. Project details
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Q2. Project deployment
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Q1. Previous company details
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Q2. CTC discussion and company review
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Two coding questions, one is easy and the other is difficult. Who solved 2nd question was shortlisted for an interview.

Q1. Introduce yourself—questions from OS, DBMS, DSA, Project, and one coding problem.
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Q1. Anagram of two strings in java
Ans. 
Java program to check if two strings are anagrams
• Create a function that takes two strings as input

• Convert both strings to character arrays and sort them

• Check if the sorted arrays are equal to determine if they are anagrams
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Q2. Insert and select query in MySQL
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Insert and select data in MySQL using SQL queries
• Use INSERT INTO table_name (column1, column2, ...) VALUES (value1, value2, ...); to insert data

• Use SELECT * FROM table_name; to select all data from a table

• Use SELECT column1, column2 FROM table_name WHERE condition; to select specific data based on a condition
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Q3. Get and Post APIs in rest
Ans. 
GET and POST are HTTP methods used in REST APIs for retrieving and sending data.
• GET method is used to retrieve data from a server

• POST method is used to send data to a server

• GET requests are idempotent, while POST requests are not

• GET requests should only be used for retrieving data, not for modifying data

• Example: GET request to retrieve a list of users - GET /users

• Example: POST request to create a new user - POST /users
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Q1. What is difference between inner join and full join
Ans. 
Inner join returns only the matching rows between two tables, while full join returns all rows from both tables.
• Inner join only includes rows that have a match in both tables

• Full join includes all rows from both tables, filling in NULL values for non-matching rows

• Inner join is more commonly used than full join in practice

• Example: Inner join - SELECT * FROM table1 INNER JOIN table2 ON table1.id = table2.id

• Example: Full ...read more
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Concentrate on an array of strings and fundamental coding knowledge.

Core concepts and coding involve integrating and understanding processes from the beginning to successfully complete projects.

Q1. Can you provide some basic information about yourself and describe the projects you have worked on?
Ans. 
I am a software developer with 5 years of experience. I have worked on projects involving web development, mobile app development, and database management.
• 5 years of experience in software development

• Proficient in web development, mobile app development, and database management

• Worked on projects involving e-commerce websites, iOS and Android apps, and SQL database optimization
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Q2. Culture fit
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Q1. Salary discussion
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Q2. Communication
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Q1. Can you provide information about yourself and your background?
Ans. 
I am a passionate software developer with a strong background in full-stack development and a keen interest in innovative technologies.
• Bachelor's degree in Computer Science from XYZ University.

• 5 years of experience in web development using JavaScript, React, and Node.js.

• Worked on a project that improved user engagement by 30% through UI enhancements.

• Contributed to open-source projects, including a popular library for d...read more
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Q2. What is your past experience and what roles have you held?
Ans. 
I have over 5 years of experience in software development, focusing on web applications and team collaboration.
• Worked as a Full Stack Developer at XYZ Corp, where I led a team to develop a responsive web application using React and Node.js.

• Served as a Software Engineer at ABC Inc., enhancing existing systems and implementing new features that improved user engagement by 30%.

• Interned at DEF Solutions, where I gained han...read more
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Take on one assignment task.

Code testing and ask a few questions.

Q1. Can you describe your project and your contributions, including what you have developed?
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Q2. How did you start developing your project?
Ans. 
I began my project by identifying a problem, researching solutions, and planning the development process step-by-step.
• Identified a specific problem: For example, I noticed that users struggled with task management.

• Conducted thorough research: I explored existing solutions and gathered user feedback to understand their needs.

• Defined project scope: I outlined the features and functionalities that would address the identi...read more
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Q1. General behavioural questions
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Q2. Weaknesses and strengths
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Q3. Why choose LSEG
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An IQ test in MCQ format. We were given small math problems and analytical/logical questions

Q1. OOP concepts and examples from your coding experience
Ans. 
OOP concepts like inheritance, encapsulation, and polymorphism are essential in software development.
• Inheritance: Creating subclasses that inherit properties and behaviors from a parent class.

• Encapsulation: Bundling data and methods within a class to restrict access from outside.

• Polymorphism: Objects of different classes can be treated as objects of a common superclass.

• Example: Creating a class 'Animal' with subclasses
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Q2. What data structures are good for certain scenarios
Ans. 
Different data structures are suitable for different scenarios based on their characteristics and operations.
• Arrays are good for storing a collection of elements with constant time access to individual elements.

• Linked lists are good for frequent insertions and deletions at any position in the list.

• Hash tables are good for fast lookups and insertions based on key-value pairs.

• Trees are good for hierarchical data represen...read more
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Q3. Whiteboard questions to write pseudo codes to solve some problems
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Had a discussion with the Head of technology and head of engineering. Asked general behavioural questions and technical questions

They were very strict about the test and asked various questions from various topics from java, python, oops etc.

Covered all topics from DBMS, Data Structures and Algorithmes, Debugging, error detection, code output etc.

Q1. What is object oriented programming
Ans. 
Object oriented programming is a programming paradigm based on the concept of objects, which can contain data and code.
• Objects are instances of classes, which define the structure and behavior of the objects.

• Encapsulation, inheritance, and polymorphism are key principles of object oriented programming.

• Example: In a banking application, a 'Customer' class may have attributes like name and account balance, and methods li
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Q2. React vs angular
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React is a lightweight library for building user interfaces, while Angular is a full-fledged framework for web development.
• React is more flexible and allows for easier integration with other libraries and frameworks.

• Angular provides more out-of-the-box features and a more opinionated structure.

• React uses a virtual DOM for better performance, while Angular uses two-way data binding for easier data manipulation.

• React is ...read more
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