Complete Interview Prep Kit- Java Backend Engineer with Prince Kumar

Product Title - Complete Interview Preparation Material for Java Backend Developer.

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Here is a detailed list of what is provided:

CORE TOPICS:

1. Core Java (Theory + Scenarios)

18 Core Chapters with 50+ theory questions & 50+ real interview scenarios each:

• Java Basics

• OOPs (design-focused)

• Multithreading & Concurrency

• Java Networking

• Exception Handling

• Java Collections Framework

• Strings & Regular Expressions

• Advanced Java

• File I/O & Serialization

• Annotations & Reflection

• JDBC

• Java Testing (JUnit, Mockito)

• Web Development

• Java 8 & Functional Programming

• Design Patterns (backend-relevant)

• Java Security

• Cloud Computing Fundamentals

• Spring Framework & Hibernate

Every chapter includes: Interview-style theory, scenario-based "what will happen if…" questions, follow-up traps, structured answers

2. Spring & Spring Boot (Heavy Focus Area)

Scenario Based Q&A: 190+ real-world Spring & Hibernate scenarios

• Spring Core & DI

• Bean lifecycle & scopes

• Spring Boot auto-configuration

• REST API design & validation

• Exception handling (ControllerAdvice)

• Transactions & propagation

• Hibernate & JPA internals

• Lazy vs Eager loading

• N+1 problem

• Caching & performance tuning

• Spring Security (JWT basics)

3. Docker for Java Backend

• Docker fundamentals for Java apps

• Multi-stage Docker builds for Spring Boot

• JVM memory tuning inside containers

• Common production mistakes

4. Cloud + DevOps (Production Engineering)

• Deploy Spring Boot on AWS (EC2/ECS/Lambda)

• Dockerized deployments

• Kubernetes basics (pods, services, autoscaling)

• CI/CD pipelines (GitHub Actions/Jenkins)

• Logging, monitoring & tracing

• Prometheus & Grafana basics

• Terraform fundamentals

• Mini-guide: Deploying Spring Boot Microservice to Production

5. Database & Caching

Scenario Based Q&A: 25+ data-layer scenarios

• SQL indexing & optimization

• Transactions & isolation levels

• Hibernate performance tuning

• Redis caching strategies

• Cache invalidation scenarios

• Flyway/Liquibase migrations

• ElasticSearch basics

6. System Design for Backend Engineers

• 15-days strategy to clear System Design Interview

• All System Design Concepts

• Low-level design questions

• High-level architecture questions

• Real backend interview designs

Note: This is a documentation-based product (PDFs)

Java interviews fail on real scenarios, not syntax knowledge. Most resources teach code - interviews test your decisions and trade-offs.

Trust me, this covers everything you need to crack product companies as a Java Backend Developer. Took me months of hard work to create.

Grab it now!!