See also: the Groovy version
from scyjava import config, jimport
config.add_endpoints('org.openscience.cdk:cdk-bundle:2.9')
Atom = jimport('org.openscience.cdk.silent.Atom')
atom = Atom(6);
print(atom)
Atom(892529689, S:C, H:0, AtomType(892529689, FC:0, Isotope(892529689, Element...
(892529689, S:C, AN:6))))