question: set the subject of this message . concode_field_sep Map<String,String> headers concode_elem_sep List<Attachment> attachments concode_elem_sep String characterSet concode_elem_sep Map<RecipientType,List<EmailAddress>> recipients concode_elem_sep String subject concode_elem_sep List<EmailAddress> replyTo concode_elem_sep String contentType concode_elem_sep String format concode_elem_sep EmailAddress from concode_elem_sep String body concode_field_sep String getSubject concode_elem_sep void setAttachments concode_elem_sep String getCharacterSet concode_elem_sep List<EmailAddress> getReplyTo concode_elem_sep void addRecipients concode_elem_sep void setRecipients concode_elem_sep void setRecipients concode_elem_sep void addAttachment concode_elem_sep void addAttachment concode_elem_sep void setHeader concode_elem_sep void setCharacterSet concode_elem_sep void addRecipient concode_elem_sep void addRecipient concode_elem_sep List<EmailAddress> getAllRecipients concode_elem_sep void setFormat concode_elem_sep String getFormat concode_elem_sep void setContentType concode_elem_sep void addReplyTo concode_elem_sep EmailAddress getFrom concode_elem_sep void setHeaders concode_elem_sep void setHeaders concode_elem_sep void addHeader concode_elem_sep Map<String,String> getHeaders concode_elem_sep String getBody concode_elem_sep void setFrom concode_elem_sep void setFrom concode_elem_sep void setBody concode_elem_sep List<Attachment> getAttachments concode_elem_sep List<String> extractHeaders concode_elem_sep void removeHeader concode_elem_sep void setReplyTo concode_elem_sep String getContentType concode_elem_sep Map<RecipientType,List<EmailAddress>> getRecipients concode_elem_sep List<EmailAddress> getRecipients
target: void function ( String arg0 ) { this . subject = arg0 ; }