People Tech Group Interview Questions, Process, and Tips for Experienced

Q1. What is the use of hash map?
Ans. 
Hash map is a data structure that stores key-value pairs and allows for fast retrieval of values based on keys.
• Hash map provides constant time complexity O(1) for insertion, deletion, and retrieval operations.

• It is commonly used to implement associative arrays, database indexing, and caching mechanisms.

• Example: Storing student grades with student IDs as keys and grades as values.
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Basic aptitude, MCQ and one coding questions

Q1. Object oriented programming questions
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Q1. Difference between the union and structure
Ans. 
A union is a data structure that allows storing different data types in the same memory location, while a structure is a data structure that allows storing different data types in separate memory locations.
• A union uses the same memory location for all its members, so only one member can be active at a time.

• A structure allocates separate memory locations for each member, allowing multiple members to be active simultaneo...read more
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20 min aptitude test was taken on hackerrank

Q1. Tell me about yourself.
Ans. 
I am a Junior Software Engineer with a passion for coding and problem-solving.
• Graduated with a degree in Computer Science

• Proficient in programming languages like Java, C++, and Python

• Experience in developing web applications using HTML, CSS, and JavaScript

• Familiar with software development methodologies like Agile

• Strong problem-solving and analytical skills

• Worked on a team project to develop a mobile app for tracking f
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Q2. Write the code for Fibonacci series up to 10
Ans. 
Code for Fibonacci series up to 10
• Declare two variables to store the first two numbers of the series

• Use a loop to generate the next numbers in the series by adding the previous two

• Print the series up to 10
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Q3. Advantages of using c++
Ans. 
C++ offers high performance, low-level control, and a wide range of applications.
• C++ is faster than many other programming languages due to its low-level control.

• C++ is widely used in developing operating systems, game engines, and high-performance applications.

• C++ supports object-oriented programming, templates, and generic programming.

• C++ has a large community and a vast library of pre-built functions and classes.

• C++...read more
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Q4. Tell me about your project.
Ans. 
Developed a web application for managing inventory and sales
• Used HTML, CSS, and JavaScript for the frontend

• Implemented RESTful APIs using Node.js and Express.js for the backend

• Utilized MongoDB for data storage and retrieval

• Implemented authentication and authorization using JWT

• Implemented features like product search, order management, and reporting
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Q5. Difference between c++ and java?
Ans. 
C++ is a compiled language with pointers and memory management, while Java is an interpreted language with garbage collection.
• C++ is faster and more memory-efficient than Java.

• Java is platform-independent, while C++ is not.

• C++ allows for manual memory management with pointers, while Java has automatic garbage collection.

• Java has a simpler syntax and is easier to learn than C++.

• C++ is commonly used for system-level prog...read more
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Q6. What is infotainment system in car?
Ans. 
Infotainment system is a combination of information and entertainment features in a car.
• It includes features like audio and video playback, navigation, climate control, and connectivity options.

• Examples of infotainment systems are Apple CarPlay, Android Auto, and Ford SYNC.

• It enhances the driving experience by providing entertainment and information to the driver and passengers.
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Q1. Tell me about yourself.
Ans. 
I am a Junior Software Engineer with a passion for coding and problem-solving.
• Graduated with a degree in Computer Science

• Proficient in programming languages like Java, Python, and JavaScript

• Experience in developing web applications using frameworks like React and Angular

• Strong problem-solving and analytical skills

• Ability to work well in a team and communicate effectively
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Q2. Tell me about your hobbies.
Ans. 
I enjoy playing video games, reading books, and playing musical instruments.
• Playing video games

• Reading books

• Playing musical instruments
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Q3. Why you want to join us?
Ans. 
I want to join because of the company's reputation, growth opportunities, and alignment with my skills and interests.
• I am impressed by the company's reputation in the industry.

• I see great potential for growth and learning opportunities within the company.

• The company's values and mission align with my own.

• I am excited about the projects and technologies the company is working on.

• I believe my skills and experience would
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Q4. How you deal with negativity?
Ans. 
I deal with negativity by focusing on solutions and maintaining a positive attitude.
• I try to understand the root cause of the negativity and address it

• I surround myself with positive people and seek their support

• I practice mindfulness and meditation to stay calm and centered

• I focus on finding solutions rather than dwelling on the problem

• I maintain a positive attitude and try to see the silver lining in every situation
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Q1. Opps, Architecture etc
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Easy to intermediate level of mcq

I was asked to write manual test cases in excel for testing website