public static void main(String[] arg) {
//		Heima.test();
		
//		printFormatNumber(3);
		System.out.println(Main.class.getResource("/"));
		System.out.println(System.getProperty("user.dir"));
		MainFrame mMainFrame = new MainFrame();
		mMainFrame.show();
//		System.out.println();
//		testReadFile();
	}