The goal is to create a program for arithmetic operations starting from very easy content without installing Java programs. It consists of content that anyone can easily follow by creating examples using only very basic grammar.

If you've completed the basics of Unity and want to write more efficient code, this course will help you move from beginner to intermediate level.

JavaScript is currently the easiest development language. You can use the powerful features of Cocos2d-x, which were developed in C++, with Cocos Creator and JavaScript. You can learn powerful features easily and quickly to develop games.

This course will help students understand Java classes in more detail and use them more naturally. This will lead to more object-oriented programming.

If you have just finished the Java Basics book or are a Java beginner, I expect that through this course you will learn design patterns and be able to program with more efficient code when programming using Java.

Spring Boot, the starting point of Java web development! We will teach you the essentials step by step while making it yourself!

This course delves into the core of the Spring Framework, and you will master the core concepts of Spring, including DI and AOP. From environment settings to unit testing, logging, and Maven usage, you will be able to build a solid foundation for your Spring projects.

This course is a practical-focused learning program for JWT-based token authentication and security enhancement techniques that are essential in modern web service environments. Using Spring Boot 3, Spring Security 6, and React, you'll implement secure login systems and cover comprehensive security practices including XSS·CSRF countermeasures, HTTPS implementation, token reissuance and revocation strategies, and secure secret key management. Additionally, you'll practice real service-level environment configuration through AWS build·deployment and performance optimization using Redis, and the complete project source code provided in the course can be directly applied to real-world work.

Spring AI + JPA + MySQL Premium Reservation Agent Backend Development with 'Autonomous Behavior' Beyond Chatbots to Agents: The Definitive Guide to Tool Calling and Prompt Engineering

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

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.

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

A practical course on easily building a super simple bulletin board with Spring Boot and React.js! This course focuses less on theory and more on hands-on practice, covering the web application development process for quick completion.

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

Complete a project integrating an API server built with Spring Boot (Spring Boot ver3.4.x) and React 19 (with TypeScript)! Apply frontend to your backend portfolio! This course is written for working professionals (not a beginner-level course).

# Building an 'Intelligent Collaboration' Expert Agent Team Using Spring AI Router Pattern + RAG + MCP Beyond Single Agents to Architecture: The Definitive Guide to Router Pattern and Agent Isolation Design

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!

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

AI is no longer a choice, but a matter of survival. Reduce development time from 3 days to 30 minutes, delegate repetitive tasks to AI, and focus on solving more important problems. With AI-native development methods that you can apply immediately in real-world work, not just theory, we'll show you a proven way to be recognized as an "AI-savvy developer" at your company.

A portfolio-focused course on directly deploying React frontend and SpringBoot backend to AWS cloud! This course is helpful for those who want to quickly deploy frontend and backend projects to their portfolio! You'll be able to practice step-by-step in a short period the knowledge needed for deployment, from server setup to Docker, Domain connection, Nginx, and HTTPS implementation!

Experience the power of Type Safe SQL with jOOQ!