returns the number of messages in the folder . concode_field_sep String hostname concode_elem_sep String password concode_elem_sep Folder folder concode_elem_sep String protocol concode_elem_sep Session session concode_elem_sep Store store concode_elem_sep String mbox concode_elem_sep URLName url concode_elem_sep String username concode_field_sep void setPassword concode_elem_sep Store getStore concode_elem_sep void setUsername concode_elem_sep void setHostname concode_elem_sep void setStore concode_elem_sep void login concode_elem_sep void login concode_elem_sep String getUsername concode_elem_sep Folder getFolder concode_elem_sep URLName getUrl concode_elem_sep String getHostname concode_elem_sep String getPassword concode_elem_sep void logout concode_elem_sep boolean isLoggedIn concode_elem_sep void setSession concode_elem_sep Session getSession
int function ( ) { return folder . getMessageCount ( ) ; }