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Kim Young-han's Practical Java - Advanced Part 2, I/O, Network, Reflection

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

(5.0) 67 reviews

3,126 students

Java
Network
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This course is prepared for Basic Learners.

What you will learn!

  • I/O

  • network

  • Reflection

  • Annotation

  • Chat program

  • Web Application Server

Ranked 1st in cumulative number of students enrolled in domestic development field
Kim Young-han's Practical Java Made Right

The youngest technology director of the former Woowa Brothers, Infraon cumulative students exceed 400,000: Knowledge sharer Kim Young-han

Just knowing Java grammar? That won't do!

Former Technology Director of Woowa Brothers, Cumulative Students Surpass 400,000
Why Kim Young-han created Java lectures

•••

“I wanted to create a proper Java course that would create proper developers needed for real work.”

Advanced Java programming skills with examples

Kim Young-han's Practical Java - Advanced Part 2, I/O, Network, Reflection: Solid with Code and Examples, Complete Mastery of Java Programming

So far, we have covered the basics of Java through Java Introduction, Basics, and Intermediate 1 and 2, and then learned multithreading, the first advanced technology in Java, through the previous Java Advanced 1 .

In this "Advanced Java 2", we will learn I/O, network, reflection, and annotations from the basics to the level required for practical work.

  • Java I/O (Java Input/Output)

  • Network

  • Reflection

  • Annotation

Kim Young-han's Practical Java Roadmap

This lecture is the sixth lecture of Kim Young-han's Practical Java Roadmap , and is intended for those who have learned the basic Java grammar and concepts and functions such as OOP (classes, generics, collections, data structures), and multithreading.

Kim Young-han's Practical Java Roadmap

The lecture "Kim Young-han's Practical Java - Advanced Part 2"

Essential understanding of Java syntax and features

The importance of essential understanding

Rather than simply learning Java's syntax and features, we delve deeply into why those features are necessary and how they can be applied in practice.

Demonstrate best practices in Java practice through example code and increase your understanding of the technology.

A practical approach

Rather than simply conveying theories, it provides step-by-step understanding of the necessity of Java technology through illustrations and example codes that help understanding. In addition, through various examples, you can understand how each technology is utilized in practice.

Our goal is more than just grammar.

The Advanced Part 2 lecture is one of the lectures in the "Kim Young-han's Practical Java" series that has been released so far, and it is particularly focused on code and examples.

This lecture is structured so that you can utilize a wide range of content from Java basics to OOP and multi-threading through examples. As we spend a lot of time coding, we will vividly convey how the Java concepts you have learned are implemented and applied in actual code .

We will guide you to gradually solidify your understanding of Java and grow into a backend developer who can deeply design and extend code in practice.

Java programming examples that connect a wide range of concepts, including object-oriented programming, multithreading, I/O and networks, and generics/collections.

In “Advanced Java 3”, which you will learn later,

The following "Kim Young-han's Practical Java" Advanced Part 3 (scheduled) is the last lecture in the Practical Java series. In Advanced Part 3, we will learn modern Java (Java 8+) focusing on lambdas, streams, and the latest features that are useful in practice, and aim to develop the capabilities that are essential for exploring best practices in actual practice.

Lecture Contents

  • Learn about character encoding, I/O basics and usage, and Files and Files.

  • It covers the basic theories for developing network programs, as well as resource management, exceptions, etc.

  • We will create an HTTP server, introduce reflection and annotation servlets, and then complete the member management service.

Understanding Java Input/Output (I/O) and Streams

Character encoding

Learn how computers store data, learn the difference between binary and character files, and even the history of character encodings like ASCII, EUC-KR, and UTF-8.

Java I/O Stream

You will learn the concept and usage of Java I/O streams, and learn about various performance optimization techniques using I/O streams. In addition, you will master the I/O you have learned so far through a member management program example.

Java Network Programming

Basic Communication Concepts Learned with Code

First, learn the basics of networking through the Internet and TCP/IP theory. Then, learn how to communicate between clients and servers through Java socket communication through code.

Implementing a chat client and server

You will learn how to implement Java networks by creating the clients and servers required for a chat program.

Create your own web server (WAS) and utilize reflection and annotations

Creating HTTP and Web Application Servers

Learn the basics of HTTP to create a web server and learn how to handle concurrent requests.

Afterwards, you will delve deeper into backend web development by building a web application server such as Apache Tomcat from scratch with Java code.

Reflection, from the basics to the use of annotations

After learning how to use reflection and annotations from the basics, we will finally develop our own membership management web program.

You will fully master the various Java technologies you have learned so far, utilizing all the I/O, network, web server, reflection, and annotation you have learned so far.

“Rather than thinking about what more I should teach, I thought more deeply about what absolutely must be known.”

In this 'Kim Young-han's Practical Java Java Roadmap', my goal is to create a capable developer who has solid fundamentals that are necessary for actual work. The fundamentals that are built over a long period of time become more valuable as time goes by. I hope that this lecture will serve as a foundation for you to easily and quickly absorb the numerous practical technologies that you will encounter in the field and grow into a developer who grows more enjoyably.

Recommended for
these people!

Who is this course right for?

  • Developer job seeker

  • For those who have studied Java but want to build a solid foundation

  • Developers who want to gain a deeper understanding of Java for practical use

Need to know before starting?

  • Kim Young-han's Practical Java - Advanced Part 1 - Multithreading and Concurrency

  • Kim Young-han's Practical Java - Intermediate 1, 2

  • Kim Young-han's Practical Java - Basics

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Students

475,028

Reviews

29,666

Rating

5.0

Courses

21

진짜 실무에 필요한 제대로 된 개발자가 될 수 있도록, 교육하는 것이 저의 목표입니다.

 

저의 개발 인생 이야기

EO 인터뷰 영상

개발바닥 - 시골 청년 개발왕 되다

취업과 이직에 대한 고민 해결

 

Curriculum

All

101 lectures ∙ (21hr 35min)

Lecture resources

are provided.

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