@Override public String toString(){
  StringBuilder result=new StringBuilder();
  result.append(type.toString());
  result.append('<');
  result.append(name);
  result.append(':');
  if (fieldsData != null) {
    result.append(fieldsData);
  }
  result.append('>');
  return result.toString();
}

@ Override public String toString ( ) { StringBuilder result = new StringBuilder ( ) ; result . append ( type . toString ( ) ) ; result . append ( '<' ) ; result . append ( name ) ; result . append ( ':' ) ; if ( fieldsData != null ) { result . append ( fieldsData ) ; } result . append ( '>' ) ; return result . toString ( ) ; }
prints a field for human consumption .
