public class Utils {

    private static Properties props = new Properties();

    static {

        ClassLoader classLoader = Utils.class.getClassLoader();

        InputStream inputStream = classLoader.getResourceAsStream("mapping.properties");

        try {

            props.load(inputStream);

        } catch (IOException e1) {

            e1.printStackTrace();

        }

    }

    public static String GetString(String key){

        String value = null;

        value = props.getProperty(key);

        return value;

    }

}