Jio Platforms Graduate Engineer Trainee (Get) Interview Questions, Process, and Tips for Freshers

Round duration - 120 Minutes
Round difficulty - Medium

This round consisted of 26 questions out of which 24 were questions on general aptitude and only 2 were on programming.
General aptitude was very easy I was able to solve each and every question.
The first programming question was easy as I knew that it was based on Kadane's Algorithm and second question was hard but after some time I was able to do that also

Q1. 
Distinct Subarrays with At Most K Odd Elements
Given an array A of N integers, determine the total number of distinct subarrays that contain at most K odd elements.
Example:
Input:
A = [3, 2, 3], K = 1
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Ans. 
Count the total number of distinct subarrays with at most K odd elements in an array.
• Iterate through all subarrays and count the number of odd elements in each subarray.

• Use a hashmap to keep track of the count of distinct subarrays with at most K odd elements.

• Return the total count of distinct subarrays for each test case.
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Round duration - 20 Minutes
Round difficulty - Easy

It was an easy round,
 

Round duration - 15 Minutes
Round difficulty - Easy

Round duration - 15 minutes
Round difficulty - null
Platform- Jio meet Time Duration- 15 mins

Q1. Tell me about yourself
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Q2. Project
Ans. 
A question about projects
• Discuss a project you have worked on

• Explain the project's goals and objectives

• Describe your role in the project

• Highlight any challenges faced and how they were overcome

• Share the project's outcome and impact
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Q3. Which language are you proficient in?
Ans. 
I am proficient in multiple programming languages including Java, Python, and C++.
• Proficient in Java, Python, and C++

• Experience with web development languages such as HTML, CSS, and JavaScript

• Familiarity with scripting languages like Bash and PowerShell
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Q4. Difference between python and java.
Ans. 
Python is a dynamically typed, interpreted language while Java is a statically typed, compiled language.
• Python is easier to learn and write code quickly.

• Java is more efficient and faster due to its compilation process.

• Python is better for data analysis and machine learning while Java is better for enterprise applications.

• Python has a simpler syntax and is more readable while Java has a more complex syntax.

• Python has a ...read more
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Q5. What are data types in python?
Ans. 
Data types in Python are the classification of data items that determine the operations that can be performed on them.
• Python has several built-in data types such as integers, floats, strings, booleans, and complex numbers.

• Lists, tuples, and dictionaries are also data types in Python.

• Each data type has its own set of operations that can be performed on it.

• For example, arithmetic operations can be performed on integers a...read more
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Q6. Why is dbms used?
Ans. 
DBMS is used to manage and organize large amounts of data efficiently.
• DBMS provides a centralized and secure way to store and retrieve data.

• It allows multiple users to access and modify data simultaneously.

• It ensures data integrity and consistency through various constraints and rules.

• It provides backup and recovery mechanisms to prevent data loss.

• Examples of DBMS include Oracle, MySQL, SQL Server, and PostgreSQL.
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Q7. What is the difference between list and tuple?
Ans. 
List and tuple are both data structures in Python, but list is mutable while tuple is immutable.
• List is defined using square brackets [], while tuple is defined using parentheses ().

• Elements in a list can be added, removed, or modified, while elements in a tuple cannot be modified.

• Lists are used for collections of data that may change over time, while tuples are used for fixed collections of data.

• Lists are generally fa...read more
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Round duration - 15 minutes
Round difficulty - null
Platform- Jio meet Time Duration- 15mins

Q1. Tell me about yourself
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Q2. Oops concept
Ans. 
Oops concept refers to Object-Oriented Programming concepts such as inheritance, encapsulation, polymorphism, and abstraction.
• Inheritance allows a class to inherit properties and methods from another class.

• Encapsulation is the practice of hiding data and methods within a class, making them inaccessible to outside code.

• Polymorphism allows objects of different classes to be treated as if they are of the same class.

• Abstra...read more
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Q3. What is a foreign key?
Ans. 
A foreign key is a column or set of columns in a database table that refers to the primary key of another table.
• It establishes a link between two tables

• It ensures referential integrity

• It helps in maintaining data consistency

• Example: CustomerID in Orders table refers to Customer table's primary key
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Q4. Why should we hire you?
Ans. I am a self-motivated and very open-minded person who can learn very fast. Looking at the job description and my experience in the field of web development, I am confident that I am very much suitable for this role. I enjoy solving problems and I am a great team player. I also believe that my values are aligned with this company’s values. I think this position will support my interest and also give me interesting ...read more
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Q5. What are your strengths and weakness?
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Q6. Why do you want to work for our company?
Ans. 
I am excited to work for your company because of its reputation for innovation and commitment to employee development.
• Your company has a strong track record of developing cutting-edge technology, which aligns with my passion for innovation.

• I am impressed by the emphasis your company places on employee development and growth opportunities.

• Your company's commitment to sustainability and social responsibility is important...read more
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Q7. What are constructors and destructors?
Ans. 
Constructors and destructors are special member functions in object-oriented programming languages.
• Constructors are used to initialize the object's data members when an object is created.

• Destructors are used to free up the memory allocated to the object when it is destroyed.

• Constructors have the same name as the class and no return type.

• Destructors have the same name as the class preceded by a tilde (~) and no return t...read more
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Q8. SDLC
Ans. 
SDLC stands for Software Development Life Cycle, which is a process used to design, develop, and maintain software.
• SDLC is a structured approach to software development that involves several stages, including planning, analysis, design, implementation, testing, and maintenance.

• Each stage of the SDLC has its own set of deliverables, which are reviewed and approved before moving on to the next stage.

• SDLC models include W...read more
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Q9. What is the use of marquee tag?
Ans. 
The marquee tag is used in HTML to create a scrolling text or image effect on a webpage.
• Used to create a scrolling effect for text or images on a webpage

• Can specify direction, speed, and behavior of the scrolling

• Example: <marquee behavior='scroll' direction='left'>Scrolling text</marquee>
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