HTTP Web Basics for Every Developer

Easily learn the core concepts of Java object-oriented programming needed in practice through example code.

Beginners to Spring can understand the core principles of Spring and solidify their foundation in Spring by creating examples.

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

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

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

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.

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

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 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.

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.

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

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 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.

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.

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

Spring Data JPA goes beyond the limitations of the past and allows you to complete development with just an interface, without implementing classes in the repository, as if by magic. It also provides all the basic CRUD functions that have been developed repeatedly. We will share practical know-how on Spring Data JPA.

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.

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

If you are a developer who deals with HTTP or want to become a developer but did not major in computer science and are weak in networking, gain lifelong knowledge with this one course!

Learn the fundamentals of the web, networks, and HTTP that every developer should know, in a code-based, real-world, data-driven way.

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.

A compass for beginners in web development, a guided lecture to discover what you don't know about web front-end and move forward systematically.

This is Part 1 of a roadmap lecture that neatly organizes the core computer science (CS) knowledge essential for excelling in development and data, all in a short amount of time. This lecture has been used as internal training at top Korean companies for many years. Based on 20 years of real-world industry experience, spanning from system SW to web, app development, and data science, this lecture organizes the core essentials necessary for excelling in development and data step-by-step, in a standard yet easily understandable way.

✅ Among the series of (1) ~ (7), (7) web applications, networks, clouds, WWW, information security ✅ CS101 series lectures - From basic computer theory to the latest practical examples - Provides a wide range of basic knowledge

Understand the basics of security algorithms and certificates, and learn about TLS based on this.

Want to work for a long time as a super developer who can handle the entire process of service development and operation on your own? Then build a solid foundation in IT infrastructure knowledge from the ground up, which is just as important as various development languages!

Learn about the network multiplayer framework, also known as the other Unreal Engine. Learn the key concepts, inner workings, and optimization techniques you need to know when creating a network multiplayer game, then create a hack & slash type PvP battle game.

Creating a simple Gomoku game using Unity and a C# server.

Have you ever wondered how real attackers carry out cyberattacks? BHPT is a comprehensive, hands-on course that uses on-demand labs to simulate penetration testing from an attacker's perspective on specific hosts, teaching methodologies for discovering, attacking, reporting, and responding to vulnerabilities.

For beginner Amazon EKS users, this lecture covers the basics of Amazon EKS, an AWS managed Kubernetes service.

Welcome, is this your first time with AWS? Let's learn together, from the basics of modern web systems to cloud deployment. It's not just simple AWS usage or copying code; you'll deeply learn how even complex CS knowledge is applied in the Cloud!

This course is for those who want to develop packet analysis programs like Wireshark and various network solutions using the Npcap library.

This course will help you understand the value of IoT and how it changes our lives and society. You will learn the basics of IoT device programming, IoT device connection technology, big data analysis, and automation. You will understand digital transformation and its impact on businesses and society.

Understand networks easily, quickly, and engagingly with pictures and videos!

Arduino? Coding? You don't need to know anything. Just invest a little bit of your free time and you'll find something amazing.

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

Through this course, students will learn the structure of computers and the overall concepts and flow of networks.

How do the sites we access every day work? Before we start studying data in earnest, let's take some time to learn about servers and the Internet, which are the background knowledge of IT.