Node function ( ) { return previous ; }
gets the previous node . concode_field_sep Node next concode_elem_sep T data concode_elem_sep Node previous concode_field_sep void setData concode_elem_sep boolean equals concode_elem_sep void setNext concode_elem_sep Node clone concode_elem_sep String toString concode_elem_sep void finalize concode_elem_sep Node getNext concode_elem_sep T getData concode_elem_sep void setPrevious