JPanel p = new JPanel(); p.setLayout(new BorderLayout(0, 0)); p.add(histogramPanel, BorderLayout.CENTER);  getContentPane().add(p);
getContentPane().add(histogramPanel);
	void buildGUI()	{		JPanel p = new JPanel();		p.setLayout(new BorderLayout(0, 0));		p.add(histogramPanel, BorderLayout.CENTER);		//getContentPane().add(histogramPanel);		getContentPane().add(p);		setSize(HistogramPanel.WIDTH, HEIGHT_WIN);		setResizable(false);	}