Basic: Java, Spring Boot, Hibernate, and Microservices - Interview Questions

Mastering Java, Spring Boot, Hibernate, and Microservices is a practical guide for mid-level software engineers looking to enhance their skills. Using a Q&A format, it covers key topics like Java, Spring Boot, Hibernate, and microservices, helping developers prepare for interviews and real-world tasks.

With clear explanations and examples, this book provides the essential knowledge and practical advice to help you grow as a software engineer.

Table of Contents:

• Core Java Concepts (30 Questions)
  • OOP Principles
  • Collections Framework
  • Exception Handling
  • Multithreading & Concurrency
  • Java 8+ Features
  • Miscellaneous Core Concepts
• Advanced Java (15 Questions)
  • JVM Internals
  • Memory Management
  • Design Patterns
  • Reflection
  • Serialization
  • Generics
• Spring Framework Basics (15 Questions)
  • Dependency Injection (DI)
  • Inversion of Control (IoC)
  • Spring Core
  • Bean Scopes
  • Spring AOP
  • Spring Transactions
• Spring Boot (20 Questions)
  • Introduction & Initialization
  • RESTful APIs
  • Spring Boot Actuator
  • Monitoring
  • Exception Handling
  • Externalized Configurations
• Hibernate and JPA (15 Questions)
  • ORM Fundamentals
  • Entity Lifecycle
  • Mappings
  • Relationships
  • Caching
  • Performance Tuning
• Database Fundamentals (15 Questions)
  • SQL Basics
  • Joins
  • Transactions
  • ACID Properties
  • Locking
  • Database Optimization
  • Indexing
• Microservices with Spring Boot (13 Questions)
  • Microservices Architecture
  • Design
  • Service Discovery
  • Load Balancing
  • API Gateway
  • Security
• Case Studies and Real-World Scenarios (10 Questions)
  • Designing Scalable REST APIs
  • Debugging
  • Performance Optimization
  • Caching
  • Versioning
  • Miscellaneous Practical Scenarios