urlClassPath.addURL(entryName);
try { urlClassPath.addURL(entryName); } catch (IOException e) { System.err.println("Warning: couldn't add path to classpath: " + entryName); }
	public void addSystemClasspathComponents() throws IOException {		String systemClassPath = ClassPath.getClassPath();		StringTokenizer tok = new StringTokenizer(systemClassPath, File.pathSeparator);		while (tok.hasMoreTokens()) {			String entryName = tok.nextToken();			urlClassPath.addURL(entryName);		}	}