Learn database design systematically through three stages: conceptual, logical, and physical, and strengthen your capabilities with a practical shopping mall project. Acquire real-world expertise through modern design techniques and the latest trends.

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

Not only developers, but also planners and data analysts learn databases step-by-step, starting from SQL basics.

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

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.

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

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

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

This is a video of the meetup that took place at 7pm on January 31st.

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

This is a Java course for those who are new to programming. You can easily learn Java by following along with the code.

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