public void importClass(String name){
  if (importedClasses == null)   importedClasses=new Hashtable();
  importedClasses.put(Name.suffix(name,1),name);
  nameSpaceChanged();
}

public void importClass ( String name ) { if ( importedClasses == null ) importedClasses = new Hashtable ( ) ; importedClasses . put ( Name . suffix ( name , 1 ) , name ) ; nameSpaceChanged ( ) ; }
import a class name . subsequent imports override earlier ones
