if (arg < argv.length) runner.setClassPath(argv[arg++]);
	public static void main(String[] argv) throws Exception {		if (argv.length < 1) {			System.err.println("Usage: " + JUnitJarRunner.class.getName() +				" [-textui|-swingui]" +				" <jar file>");			System.exit(1);		}		String how = "-textui";		int arg = 0;		if (argv.length > 1) {			how = argv[arg++];		}		String jarFileName = argv[arg];		JUnitJarRunner runner = new JUnitJarRunner(jarFileName);		TestSuite suite = runner.buildTestSuite();		runner.run(suite, how);	}