URL path = getClass().getClassLoader().getResource("Text.txt");
InputStream input = path.openStream();
BufferedReader buffer = new BufferedReader(new InputStreamReader(input));

    public void readLevel(String filename)
    {
        try
        {
            // Open the file that is the first
            // command line parameter
            FileInputStream fstream = new FileInputStream(filename);
        
            // Get the object of DataInputStream
            DataInputStream in = new DataInputStream(fstream);
            BufferedReader br = new BufferedReader(new InputStreamReader(in));
            String strLine;
        
            //Read File Line By Line
            int i = 0;
            while ((strLine = br.readLine()) != null)
            {
                // Put the string of the line into object creation script
                if (i >= 3)
                loadLevelRow(strLine,i-3);
                else
                {
                    if (i == 0)
                    {
                        CONSTS.level_width = Integer.parseInt(strLine);
                    }
                    
                    if (i == 1)
                    {
                        CONSTS.level_height = Integer.parseInt(strLine);
                    }
                }
                
                i ++;
            }
        
            //Close the input stream
            in.close();
        }
        catch (Exception e)
        {
           //Catch exception if any
           System.err.println("Error: " + e.getMessage());
        }
    }