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

50 questions on aptitiude

2 coding questions were asked

Q1. Find middle node in Linkedin List.
Ans. 
To find the middle node in a linked list, use the slow and fast pointer approach.
• Initialize two pointers, slow and fast, at the head of the linked list.

• Move the slow pointer by one step and the fast pointer by two steps until the fast pointer reaches the end of the list.

• The node pointed to by the slow pointer at this point is the middle node.
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Q2. Write code for inorder triversal without using recursion.
Ans. 
Iterative inorder traversal using a stack
• Create an empty stack to store nodes

• Initialize current node as root

• While current is not null or stack is not empty, keep traversing left subtree and pushing nodes onto stack

• Pop a node from stack, print its value, and set current to its right child

• Repeat until all nodes are traversed
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Delete n node from last of linked list. and some OS Basic Question.

Q1. OS Basic Question
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Q2. Trie Data Structure QUESTION
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Q1. This was L0 round it started from , Tell me something about yourself.
Ans. Just be calm , confident and honest and give a glimpse of your beautiful life to the interviewer.
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Q2. Then started Rapid Coding Questions
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Q3. What is Java ? Oops concepts ? DBMS concept ( primary key , 2 vs 3 tier architecture, ACID properties ) Logic for basic loops Is there any way to print 1 to 100 without using any loops Also the interviewe...read more
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Q4. Eventually i cleared the L0 round
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Q1. Then came time for L1 round
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Q2. In this the interviewer was an employee of Jio platforms working as Software Engineer. They first made me comfortable by asking about my day and then started to question me over my resume. I am very devel...read more
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Q3. What is Frontend, Do you know Node js ?
Ans. 
Frontend is the part of a website or application that users interact with. Node.js is a JavaScript runtime environment.
• Frontend refers to the user interface and user experience of a website or application.

• It includes the design, layout, and functionality of the website or application.

• Node.js is a JavaScript runtime environment that allows developers to run JavaScript on the server-side.

• It is commonly used for building ...read more
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Q4. Is is possible to implement stack using queues ?
Ans. 
Yes, it is possible to implement stack using queues.
• Implement push operation by enqueueing elements to the queue.

• Implement pop operation by dequeuing all elements except the last one and enqueueing them again.

• The last element in the queue will be the top element of the stack.

• Example: Queue: 1 2 3 4 5, Stack: 5 4 3 2 1
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Q5. Tell me something about recursion also do you have idea about time and space complexity.
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Recursion is a process in which a function calls itself. Time and space complexity are important factors to consider while using recursion.
• Recursion is used to solve problems that can be broken down into smaller sub-problems.

• It involves a base case and a recursive case.

• Time complexity refers to the amount of time taken by an algorithm to run, while space complexity refers to the amount of memory used by an algorithm.

• Re...read more
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Q6. Explain your projects to me . After my answer pointed out some loop holes and then tried to brainstorm with me over the same .
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Q7. Also some more questions regarding to SQL etc
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Q8. Eventually i also cleared round L1
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Q1. In this round there were two members, one technical interviewer and one HR.
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Q2. Questions were good like sorting , searching etc
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Q3. I was able to do good but eventually i was caught off-guard when suddenly they asked which phone i used and why i preferred it.
Ans. But i replied with a smile that my dad had put budget constraints on me , this made the entire mood of the interview light.
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Q4. Then they asked whether i was okay to relocate and also what were my extra curricular activities
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Q5. Eventually i got selected and got Jio Spark - 5 Lpa
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Q1. Write a query to print the no of employees having salary more than 5000/-
Ans. 
Query to print the number of employees with salary > 5000/-
• Use SELECT COUNT(*) to count the number of employees

• Add WHERE clause to filter employees with salary > 5000/-
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Q2. Is there difference between SQL and MySQL
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Yes, there is a difference between SQL and MySQL.
• SQL is a standardized language for managing relational databases, while MySQL is a specific relational database management system (RDBMS) that uses SQL as its language.

• SQL is a language used to communicate with databases, while MySQL is a software that implements and manages databases.

• MySQL is one of the many RDBMS options available, while SQL is a language used across d...read more
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Q3. What is SDLC ? DDL and DML commands? What is right join explain it with an example? What is LIFO and LILO ? Real time application of python? What is linked list?
Ans. 
A set of questions related to software development, database management, and data structures.
• SDLC stands for Software Development Life Cycle and is a process used to design, develop, and test software.

• DDL (Data Definition Language) commands are used to create, modify, and delete database objects like tables, indexes, etc.

• DML (Data Manipulation Language) commands are used to insert, update, and delete data in a database...read more
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Q1. What are your IT skills?
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Q2. Which is fast c or python during execution? Difference between malloc and calloc ? What is memory allocation? What is method overriding? Why Jio?
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Questions related to programming and Jio
• Python is slower than C during execution

• malloc allocates memory without initializing it, while calloc allocates and initializes memory to zero

• Memory allocation is the process of reserving a portion of the computer's memory for a program to use

• Method overriding is when a subclass provides a different implementation of a method that is already defined in its superclass

• Jio is a popu...read more
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Q1. Linked list related problems
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Q2. Project related questions
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Q3. Are you a leader? What you expect from Jio
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