JFrame testFrame = new JFrame();
		JPanel testPanel = new JPanel();
		testPanel.setSize(100,100);
		testFrame.setSize(500,500);
		
		testPanel.setBackground(Color.black);

		testFrame.add(testPanel);
		testFrame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
		testFrame.setVisible(true);