60+ Spring Boot Concepts in 90 Minutes | Must-Watch for Backend Engineers & Interview Prep

About this video

• Video Title: 60+ Spring Boot Concepts in 90 Minutes | Must-Watch for Backend Engineers & Interview Prep
• Channel: Coding with Aman
• Speakers: Aman
• Duration: 01:31:20

Overview

This video provides a comprehensive overview of over 60 Spring Boot concepts, ideal for backend engineers and interview preparation. It covers essential topics such as scheduling, JSON conversion, startup time optimization, performance profiling, WAR packaging, API versioning, memory leaks, multipart file handling, the SpringApplication.run() method, starter parent dependencies, Maven, event listeners, artifact management, virtual threads, Saga pattern, test containers, API design principles, JWT, OAuth, REST API security, Maven vs. Gradle, response entities, GraphQL, validation, transactional annotations, caching, idempotency, Spring Security configurations, Tomcat vs. Netty, fault tolerance, controller vs. REST controller, asynchronous operations, and more.

Key takeaways

• Core Spring Boot Concepts: The video covers fundamental Spring Boot features like scheduling tasks using @EnableScheduling and @Scheduled annotations, and how Spring Boot handles JSON to Java object conversion using libraries like Jackson.
• Performance Optimization: Strategies for optimizing Spring Boot startup time in production are discussed, including lazy initialization, profile-based configuration, reducing auto-configuration, optimizing component scanning, using GraalVM native images, and minimizing JARs in the classpath.
• API Design and Security: Important aspects of building robust APIs are covered, such as URI, header, and parameter versioning, handling multipart file uploads with configurable size limits, implementing JWT for authentication, and security design principles like least privilege and fail-safe defaults.
• Microservices and Distributed Systems: Concepts relevant to microservices architecture are explained, including the Saga pattern for managing distributed transactions, fault tolerance strategies like circuit breakers, and the differences between Tomcat and Netty for embedded servers.
• Developer Tools and Best Practices: The video touches upon essential development tools and practices, such as Maven for dependency management, test containers for integration testing, structured logging, and the benefits of constructor injection over @Autowired.