JavaClass sup = supers[i];
  public void visitJavaClass(JavaClass obj)     {	String name = obj.getClassName();	if (!visited.add(name)) return;	try {	JavaClass supers[] = Repository.getSuperClasses(obj);		for(int i = 0; i < supers.length; i++) {			visitJavaClass(supers[i]);			}	} catch (ClassNotFoundException e) {		// ignore it		}	super.visitJavaClass(obj);		}