🏢 Cognizant Java Interview — Round 1 (3-9 yrs)

Channel: {Dip Developer}
Video: Cognizant Interview Experience (3-9 yrs) | Round 1 | Eaxct Questions Asked to Me

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📋 About This Round

• Round Type: Technical Round 1
• Duration: ~60–90 mins
• Mode: Virtual (Video Call)
• Focus: Core Java, Spring Boot, Basic Architecture

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📂 Questions Covered

#	Topic	File
Q01	Roles & Responsibilities	Q01-roles-and-responsibilities.md
Q02	== vs equals()	Q02-equals-vs-double-equals.md
Q03	JUnit & Mockito Annotations	Q03-junit-mockito-annotations.md
Q04	Spring AOP	Q04-spring-aop.md
Q05	Security in Spring Boot	Q05-spring-security.md
Q06	Exception Handling in Spring Boot	Q06-exception-handling.md
Q07	Annotations for Writing an API	Q07-api-annotations.md
Q08	@Qualifier, DI & Beans	Q08-qualifier-dependency-injection.md
Q09	ArrayList vs LinkedList	Q09-arraylist-vs-linkedlist.md
Q10	Deadlock — What & How to Avoid	Q10-deadlock.md
Q11	Java 8 New Features	Q11-java8-features.md
Q12	Serialization & Deserialization	Q12-serialization.md
Q13	Functional Interface	Q13-functional-interface.md
Q14	Marker Interface	Q14-marker-interface.md
Q15	Design Patterns Overview	Q15-design-patterns.md
Q16	Singleton Pattern Implementation	Q16-singleton-pattern.md
Q17	Monolithic vs Microservice	Q17-monolithic-vs-microservice.md
Q18	When to Use Monolithic	Q18-when-to-use-monolithic.md
Q19	GraphQL, Kafka, RabbitMQ	Q19-graphql-kafka-rabbitmq.md
Q20	Stream — Char Occurrence Count	Q20-stream-char-occurrence.md
Q21	Anagram Check — Two Strings	Q21-anagram-check.md

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🎬 How to Use This Repo (for Live Coding)

1. Open this repo in IntelliJ IDEA
2. Each .md file = one question to cover on screen
3. Use the code snippets inside each file to run live in IntelliJ
4. Explain in your own words — use the bullet points as your speaking guide
5. Show the output in the IntelliJ terminal after running

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🔗 Watch the Full Series

• 📺 Cognizant R1 — Round 1
• 📺 Cognizant R2 — Round 2 (coming soon)
• 📺 Cognizant R3 — Round 3 (coming soon)

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