程序包javax.mail.util的分层结构

程序包分层结构:

• 所有程序包

类分层结构

• java.lang.Object
  • javax.mail.util.ByteArrayDataSource (implements javax.activation.DataSource)
  • java.io.InputStream (implements java.io.Closeable)
    • java.io.ByteArrayInputStream
      • javax.mail.util.SharedByteArrayInputStream (implements javax.mail.internet.SharedInputStream)
    • java.io.FilterInputStream
      • java.io.BufferedInputStream
        • javax.mail.util.SharedFileInputStream (implements javax.mail.internet.SharedInputStream)