delete an arc based on its index concode_field_sep int id concode_elem_sep float fnlWeight concode_elem_sep int initialNumArcs concode_elem_sep ArrayList<Arc> arcs concode_field_sep int getNumArcs concode_elem_sep void setArc concode_elem_sep void setArcs concode_elem_sep void addArc concode_elem_sep Arc getArc concode_elem_sep int hashCode concode_elem_sep void setFinalWeight concode_elem_sep boolean equals concode_elem_sep int getId concode_elem_sep String toString concode_elem_sep float getFinalWeight concode_elem_sep void arcSort
Arc function ( int arg0 ) { return this . arcs . remove ( arg0 ) ; }