chapter03
  
    index.html
    index.htm
    index.jsp
    default.html
    default.htm
    default.jsp
  

  
     myServlet
     chapter03.MyFirstServlet
  
  
  
    myServlet
    /First
  
  
  
     user_name
     https://lite.tiktok.com/t/ZSHnLUBuQBBVE-cWmX8/
  
  
  
     user_company
     한국주식회사