String filePath="src/cn/ac/iscas/pebble/ufe/conf/id.properties";
            InputStream in = new BufferedInputStream(new FileInputStream(filePath));
            int i = 0;
            Properties p = new Properties();
            p.load(in);
            p.getProperty(key);

public class ConfigUtils {
    
    private static final ResourceBundle baseBundle = ResourceBundle.getBundle("cn/ac/iscas/pebble/ufe/conf/id");

    public static String getValue(String key) {
        return baseBundle.getString(key).trim();
    }

<?xml version="1.0" encoding="UTF-8"?>
<classpath>
    <classpathentry kind="src" path="src"/>
…………