所有程序包的分层结构

程序包分层结构:

• cn.letcode.email.auth,
• cn.letcode.email.bean,
• cn.letcode.email.service,
• cn.letcode.utils.calendar,
• cn.letcode.utils.file,
• cn.letcode.utils.http,
• cn.letcode.utils.match,
• cn.letcode.xml

类分层结构

• java.lang.Object
  • javax.mail.Authenticator
    • cn.letcode.email.auth.MyAuthenticator
  • cn.letcode.utils.calendar.CalendarUtil
  • cn.letcode.email.bean.Email
  • cn.letcode.email.service.EmailService
  • cn.letcode.utils.file.FileUtil
  • cn.letcode.utils.http.HttpClient
  • cn.letcode.utils.match.MatchUtil
  • cn.letcode.xml.XmlUtils