Jio Platforms Software Developer Interview Questions, Process, and Tips

2 Coding Problems (easy to medium difficulty) and 10 MCQ's regarding Basic CS subjects

Q1. Introduction, education background, interests etc
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Q2. Questions regarding OOPs, OS, Networking, DBMS (Core CSE subjects)
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Q3. Coding question
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Q1. Quick Introduction
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Q2. Why Jio and what do you expect from JPL?
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Hashing based questions , one DP and one graph

Q1. Resume discussion
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Q2. Rolling hash dsa problem
Ans. 
Rolling hash is a hashing technique used in data structures and algorithms to efficiently compare substrings of text.
• Rolling hash is used in algorithms like Rabin-Karp string matching algorithm.

• It involves updating the hash value of a substring by removing the contribution of the first character and adding the contribution of the next character.

• It is useful for comparing substrings in constant time complexity.
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MCQs with one coding question

Q1. Multi Threading in Java
Ans. 
Multi threading in Java allows multiple threads to execute concurrently, improving performance and responsiveness.
• Multi threading is achieved in Java by extending the Thread class or implementing the Runnable interface.

• Threads share the same memory space, allowing them to communicate and synchronize using methods like wait(), notify(), and notifyAll().

• Concurrency issues like race conditions and deadlocks can occur in m...read more
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Q2. Synchronization in Java
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Synchronization in Java ensures that only one thread can access a shared resource at a time.
• Synchronization is achieved using the synchronized keyword in Java.

• It can be applied to methods or blocks of code.

• Example: synchronized void myMethod() { // code }
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2 Easy level question

Q1. Related to Projects
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Q2. Situation based coding questions
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Q1. 3 Jug Problem asked by HR
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Q2. Last Internship
Ans. 
Worked as a software developer intern at XYZ Company
• Developed a web application using React and Node.js

• Collaborated with team members to troubleshoot and debug code

• Participated in code reviews and provided feedback for improvements
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Q1. Scenario Based Questions? API Based Questions? Framework Related Questions? Tools Related Questions?
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Q1. Previous Projects Related Questions? Programming languages? Recent Development Technologies Related Questions? Cloud, CI Tools Related Questions?
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Q1. Behavioral Questions? Technical skills relevant qualifications? Previous experience relevant Questions? Databases, Queries? Coding? API ?
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Q1. React hooks and projects
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