moves the helper to the next entry in the map , if any . returns true iff there is an entry to read . concode_field_sep Iterator mIterator concode_elem_sep Object mElement concode_field_sep placeholderType placeHolder
boolean function ( ) { if ( mIterator . hasNext ( ) ) { mElement = mIterator . next ( ) ; return true ; } else { mElement = null ; return false ; } }