searches for the specified data object in the list concode_field_sep PNode head concode_elem_sep PNode tail concode_elem_sep int size concode_field_sep Object popHead concode_elem_sep void printBackward concode_elem_sep int getSize concode_elem_sep void printForward concode_elem_sep Object popTail concode_elem_sep void pushToTail concode_elem_sep boolean isEmpty concode_elem_sep Object elementAt concode_elem_sep void pushToHead concode_elem_sep boolean removeAt concode_elem_sep int foundAt concode_elem_sep boolean remove
boolean function ( Object arg0 ) { PNode loc0 = head ; while ( loc0 != null ) { if ( loc0 . arg0 . equals ( arg0 ) ) return true ; loc0 = loc0 . next ; } return false ; }