void function ( double arg0 ) { mass = arg0 ; }
set the particle 's mass concode_field_sep double charge concode_elem_sep double mass concode_elem_sep Vector3d position concode_elem_sep Vector3d velocity concode_field_sep double kineticEnergy concode_elem_sep Vector3d getPosition concode_elem_sep Vector3d getVelocity concode_elem_sep double getCharge concode_elem_sep void setCharge concode_elem_sep Vector3d relativeSeparation concode_elem_sep void setVelocity concode_elem_sep double getMass concode_elem_sep String toString concode_elem_sep Vector3d relativeVelocity concode_elem_sep void setPosition