adds all of the elements in the specified collection into this set and returns true if this operation has increased the size of this set . this implementation iterates all elements of specified collection and adds them one-by-one using #add object add element method . concode_field_sep PlaceHolder placeHolder concode_field_sep boolean removeAll concode_elem_sep int hashCode concode_elem_sep boolean containsAll concode_elem_sep boolean equals concode_elem_sep void clear concode_elem_sep boolean isEmpty concode_elem_sep Object[] toArray concode_elem_sep T[] toArray concode_elem_sep T[] toArrayImpl concode_elem_sep String toString concode_elem_sep boolean retainAll
boolean function ( Collection < ? extends E > arg0 ) { boolean loc0 = false ; for ( E loc1 : arg0 ) if ( add ( loc1 ) ) loc0 = true ; return loc0 ; }