check if two objects are equal - handles the case where both objects are null concode_field_sep PlaceHolder placeHolder concode_field_sep void myassert concode_elem_sep int intSqrt concode_elem_sep void merge concode_elem_sep T findLT concode_elem_sep void main concode_elem_sep void mergeSort concode_elem_sep String collectionToString concode_elem_sep T findGE
boolean function ( Object arg0 , Object arg1 ) { return ( arg0 == null && arg1 == null ) || arg0 . equals ( arg1 ) ; }