String klass = arg0.getName().substring( arg0.getPackage().getName().length() + 1); return klass;
String klass = arg0.getName(); int last = klass.lastIndexOf("."); if (last == -1) return klass;  return klass.substring(last+1);
	private String getClassName(final Class arg0) {				if (arg0 ==null)			throw new IllegalArgumentException("Class argument cannot be null.");				String klass = arg0.getName().substring(		        arg0.getPackage().getName().length() + 1);		return klass;	}