実践！Spring Data JPA

Learn the fundamentals of SQL and databases essential for practical work. Not only developers, but also planners and data analysts learn SQL in depth.

Spring beginners can grasp core principles and solidify basics via examples.

Learn practical core Java object-oriented concepts easily via example code.

Learn the core HTTP features essential for practical use and how to design proper HTTP APIs.

You can understand and master all the web technologies required to develop web applications from the basics. You can understand the core principles and structure of Spring MVC and grow into a more in-depth backend developer.

You can understand and master all the web technologies required for web application development from the basics. In Part 2 of MVC, you can learn all the utilization technologies required for practical web development on top of the core principles and structure of Part 1 of MVC.

This book provides an in-depth study of various intermediate-level Java features necessary for practical work, using example code.

Learn the essential modern Java technologies of Lambda, Stream, and functional programming with Java, from the basics to the practical level, in depth.

Learn Java generics and collection frameworks in depth with a focus on practical applications. Also learn the basics of data structures.

This course provides an in-depth study of multithreading and concurrency, from basic principles to practical applications.

With a practical example, we will design and develop a web application using Spring Boot and JPA. Through this process, you will understand how to use Spring Boot and JPA in practice.

For those who are new to JPA or who use JPA in practice but lack basic theory, By learning the basic theory of JPA solidly, even beginners can confidently use JPA in practice.

You will learn the core principles and advanced technologies of Spring in depth and be able to use Spring confidently.

You can understand and perfect the basics of DB data access technology required for backend development. You can understand the principles and structure of Spring DB access technology and grow into a more in-depth backend developer.

This course will cover everything you need to know about Spring Boot for practical use.

Learn I/O, networking, reflection, and annotations in depth, from the basics to the practical level. Build a web application server (WAS) directly in Java.

You can utilize and complete the DB data access technology required for backend development. You can understand the principles and structure of Spring DB access technology and grow into a more in-depth backend developer.

Develop APIs using Spring Boot and JPA. And learn how to optimize JPA's extreme performance.

Solve everything from the basics of querydsl to practical use all at once!

Beginners to Spring can quickly learn the entire Spring web application development process by creating examples.

With a practical example, we will design and develop a web application using Spring Boot and JPA. Through this process, you will understand how to use Spring Boot and JPA in practice.

Develop APIs using Spring Boot and JPA. And learn how to optimize JPA's extreme performance.

Spring Web Programming learned while creating a calendar (schedule management)! Completely master Spring with examples you can use right away, not just short snippets~

This book provides an in-depth study of various intermediate-level Java features necessary for practical work, using example code.

Learn practical core Java object-oriented concepts easily via example code.

Learn Java generics and collection frameworks in depth with a focus on practical applications. Also learn the basics of data structures.

Experience the power of Type Safe SQL with jOOQ!

Full 40-hour Spring-based Full-stack Web Development Completely Free Course

Did you give up while studying Spring? Even complete beginners new to coding and non-majors can make it from JSP to Spring Boot without giving up - we'll open the path to Spring Boot for you.

If you learned about grammar and component types in the ExtJS basic course, In the practical/application section, we will create a simple practice program along with server connection.

I've created a beginner-friendly and practical 'Introduction to Elasticsearch' course!

Learning by Doing: 정보처리산업기사 I have prepared everything for passing the 정보처리산업기사 course-evaluation practical exam.

This course proceeds in stages, similar to the actual work, by learning and applying the necessary knowledge while configuring the infrastructure.

Handling media (video, audio) on the web is now easier than ever! Learn the MediaStream API and WebRTC by following along step by step.

Springboot + React RestAPI Bulletin Board Creation: Learn Faster Than Anyone Develop a CRUD server with Springboot and create your own board with React!

I'd like to show you how to develop a course evaluation website that can be applied anywhere, whether it's high school or college.

IntelliJ IDEA Conf 2025는 JetBrains에서 매년 주최하는 온라인 컨퍼런스로, Java와 Kotlin 개발 개발자를 위한 유익한 세션을 제공합니다. AI 도입, Spring Boot, Gradle, Kafka, 데이터베이스 관리 등 다양한 주제를 다루며, 클라우드 통합, 보안 코딩, 개발자 성능 향상 및 고급 개발 기법에 대한 인사이트도 공유됩니다. 이 컨퍼런스는 전문 개발자는 물론 초보 개발자도 참여가능하며, 더 빠르게 고품질의 코드를 작성할 수 있는 생산성 팁과 함께 최신 기술을 접할 수 있는 기회를 제공합니다.

Build a Springboot + iOS RestAPI Bulletin Board: Learn Faster than Anyone Develop a CRUD server with Springboot and create your own bulletin board with iOS!

Learn the deployment process in the following order: Manually deploy Spring Boot with Chicken Combo value -> Deploy with Docker -> Github Action CI/CD.

In this course, rather than covering the theory directly, you will learn how to use Redis effectively in your code through hands-on practice.