question: computes the dot-product of two vectors concode_field_sep double x concode_elem_sep double y concode_field_sep Vector2D average concode_elem_sep Vector2D rotate concode_elem_sep double distance concode_elem_sep Coordinate toCoordinate concode_elem_sep Vector2D rotateByQuarterCircle concode_elem_sep Coordinate translate concode_elem_sep int hashCode concode_elem_sep Vector2D normalize concode_elem_sep boolean isParallel concode_elem_sep Vector2D create concode_elem_sep Vector2D create concode_elem_sep Vector2D create concode_elem_sep Vector2D create concode_elem_sep double angle concode_elem_sep double angle concode_elem_sep Vector2D divide concode_elem_sep Vector2D multiply concode_elem_sep Vector2D weightedSum concode_elem_sep Vector2D add concode_elem_sep double angleTo concode_elem_sep double lengthSquared concode_elem_sep Vector2D subtract concode_elem_sep double length concode_elem_sep double getX concode_elem_sep double getY concode_elem_sep Vector2D negate concode_elem_sep boolean equals concode_elem_sep Object clone concode_elem_sep String toString concode_elem_sep double getComponent
target: double function ( Vector2D arg0 ) { return x * arg0 . x + y * arg0 . y ; }