question: moves this line by a given amount . concode_field_sep double y1 concode_elem_sep double x1 concode_elem_sep double y2 concode_elem_sep double x2 concode_elem_sep Color color concode_field_sep int getX concode_elem_sep int getHeight concode_elem_sep int getY concode_elem_sep void grow concode_elem_sep void setColor concode_elem_sep String toString concode_elem_sep int getWidth concode_elem_sep void draw concode_elem_sep void paintShape
target: void function ( double arg0 , double arg1 ) { x1 += arg0 ; y1 += arg1 ; x2 += arg0 ; y2 += arg1 ; Canvas . getInstance ( ) . repaint ( ) ; }