/*
[20-2] Network Team Project
Gachon Univ. dept of SW.
Sophomore 2nd semester Term project
Chatting Program using JAVA socket programming.
Reference code URL : https://song-yujin.tistory.com/m/7?category=815435
Presentation YouTube URL : https://www.youtube.com/watch?v=RtqLElyKZIg
*/