Source code:
@Grab(group='org.openscience.cdk', module='cdk-bundle', version='2.9')
import org.openscience.cdk.interfaces.*;
import org.openscience.cdk.*;
import org.openscience.cdk.atomtype.*;
import org.openscience.cdk.config.*;
import org.openscience.cdk.tools.manipulator.*;
import javax.vecmath.Point3d;
molecule = new AtomContainer();
atom = new Atom(Elements.CARBON);
molecule.addAtom(atom);
matcher = CDKAtomTypeMatcher.getInstance(
DefaultChemObjectBuilder.getInstance()
);
types = matcher.findMatchingAtomTypes(molecule);
Output: