Jio Software Developer Interview Questions, Process, and Tips

Q1. What is different between Mysql Vs sql ?
Ans. 
MySQL is a specific implementation of SQL, which is a standardized language for managing databases.
• MySQL is a specific relational database management system (RDBMS) that uses SQL as its query language.

• SQL (Structured Query Language) is a standardized language for managing databases, used by various RDBMS like MySQL, Oracle, and SQL Server.

• MySQL is open-source and free to use, while some other RDBMS like Oracle may requ...read more
Answered by AI
Add your answer
Q2. What abstraction and interface in java?
Ans. 
Abstraction and interface are key concepts in Java for achieving abstraction and defining contracts for classes.
• Abstraction in Java is achieved using abstract classes and interfaces.

• Abstract classes can have both abstract and concrete methods, while interfaces can only have abstract methods.

• Interfaces define contracts that classes must implement, allowing for polymorphism and loose coupling.

• Example: interface Shape { v...read more
Answered by AI
Add your answer
Q3. What is mean by JSP?
Ans. 
JSP stands for JavaServer Pages, a technology used for creating dynamic web pages.
• JSP allows embedding Java code in HTML pages

• It simplifies the process of creating dynamic web content

• JSP files are compiled into servlets by the server for execution
Answered by AI
Add your answer

Probability, permutation and combination

Array, string medium-level questions

2 coding questions, DSA

Q1. What is binary tree and implement
Ans. 
A binary tree is a data structure where each node has at most two children.
• Consists of nodes, each with a left and right child pointer

• Root node is the topmost node

• Traversal methods include in-order, pre-order, and post-order
Answered by AI
Add your answer
Q2. What is deadlock
Ans. 
Deadlock is a situation in which two or more processes are unable to proceed because each is waiting for the other to release a resource.
• Occurs in multitasking environments

• Caused by a circular dependency of resources

• Can be resolved by using techniques like resource allocation graph

• Example: Process A holds Resource 1 and waits for Resource 2, while Process B holds Resource 2 and waits for Resource 1
Answered by AI
Add your answer

Q1. Count the occurrences of each element, and if the count is equal to a specified value \( x \), store those elements in an array and return that array.
Add your answer

GD round goes up to 15 min

Q1. Tell about you self
Add your answer