private static void initializeLists() {
        try{
            readCubes();
        }
        catch(ParserConfigurationException | SAXException | IOException e){
            System.out.println(e.getMessage());
            createRandomCubes();
        }
        try{
            readLines();
        }
        catch(ParserConfigurationException | SAXException | IOException e){
            System.out.println(e.getMessage());
            createRandomLines();
        }
        try{
            readPoints();
        }
        catch(ParserConfigurationException | SAXException | IOException e){
            System.out.println(e.getMessage());
            createRandomPoints();
        }
        finally{
            if(cubeList.size()==0&&lineList.size()==0&&pointList.size()==0){
                createRandomCubes();
            }
        }
    }