백엔드 프레임워크 만들기

Hello. This is Zero. Among the lecture management functions of Inflearn, there is a student management screen. There, you can check the progress of each student's lecture. Unlike others, Mr. Eui-Jong showed a steady progress, and it was helpful as a lecturer. Thank you so much for your hard work. Regarding the direction, One of the things I kept worrying about when I planned the lecture was that if I talked too much, I would get off topic, and if I implemented it in depth, the code would become difficult. To overcome that, I organized the lecture from the perspective of a beginner developer who understands the problems that occur in actual work and turns them into functions of the framework. Of course, the functions created in the lecture are lacking, and as Mr. Eui-Jong said, it was also intended to end with just suggesting the direction. This is not a framework that you learn and use, but a framework that you improve because it is inconvenient, and I hope that it will broaden your horizons. The final version of the framework is located below. https://github.com/zeroshift01/zeroshift01/tree/master/inflearn08 You will see that the framework that was just a direction has changed to a level that can be used in practice. Let me talk about the second package management standard. It goes without saying, but in practice, the framework resources and the business resources are used separately. However, from the perspective of explanation, there is an advantage in not separating the resources, so we did not separate the biz and fw resources. When looking at the resources based on Eclipse, it seems that it will be easy to distinguish the resources if you look at it in a hierarchical structure. To answer the third question about the test code, since a package is a directory information that can modularize a function from a cohesion perspective, we managed the resources with the idea that it would be effective to place the test code that checks the defects of that function in the same location. Of course, the end of the file is made so that it can be known that it is a test code, like Emp001_test.java, and with such a rule, in practice, the test code is managed so that it is not transferred to the operating environment. In addition, if it is located in the same package, it is also good for testing the default method. ^^ Thank you for your review.

If you look at the webtoon "Gosu" on Naver, there is a phrase that says It is more beneficial to deeply know the techniques you have learned and apply them than to know many new techniques (instructions on martial arts). I made the lecture with that in mind, and I am glad that it was helpful. Thank you for sticking with it until the end and leaving your first review.

Hello. This is Zero. In order to improve your math skills, you should not look at the solution book. The solution is only one of the problem-solving processes, and if you learn it with your eyes before thinking about the process, you will not be able to solve similar problems or application problems. I think the same goes for the problems to think about. The process of creating a working software as code is not like what is in the solution book for math problems. You have to think about the trade-off between abstraction and readability (which have opposite effects), and there are situations where you have to give up transaction serialization to some extent for processing non-standard real-time data. What will help you at this time is not the knowledge you have seen with your eyes, but the experience you have thought about. I did not upload the answers to the problems to think about separately, hoping that you will gain such experience and wisdom. But for those who are still curious, I have set up an online feedback session, so if you are interested, please send me an email. As for using IntelliJ, Since the ability to run and debug WAS (Tomcat) (Enterprise Edition) is available from the Euro version, I decided not to use it when planning the lecture. Also, since I don't need IDE-specific features and I only need to set the classpath, compile, and build without any separate plugins or libraries, I use Eclipse, which is free and allows WAS (Tomcat) control. However, as you suggested, I will create a separate method for setting the backend framework project environment based on IntelliJ and upload it to help you take the course. Thank you for your review.