用java反射方法调用类的方法如果被调用的方法没有参数该怎么做 182相送谢谢了

Question

private static String getMethodValue(String methodName,
            Object databaseBean) throws SecurityException,
            IllegalArgumentException, NoSuchMethodException,
            IllegalAccessException, InvocationTargetException {
        String strResult = "";
        Class[] types = {};
        Object[] args = {};
        java.lang.reflect.Method m;
        try {
            m = databaseBean.getClass().getMethod(
                    methodName, types);
            strResult = String.valueOf(m.invoke(databaseBean, args));
        } catch (SecurityException e) {
            // TODO Auto-generated catch block
            e.printStackTrace();
            throw e;
        } catch (IllegalArgumentException e) {
            // TODO Auto-generated catch block
            e.printStackTrace();
            throw e;
        } catch (NoSuchMethodException e) {
            // TODO Auto-generated catch block
            e.printStackTrace();
            throw e;
        } catch (IllegalAccessException e) {
            // TODO Auto-generated catch block
            e.printStackTrace();
            throw e;
        } catch (InvocationTargetException e) {
            // TODO Auto-generated catch block
            e.printStackTrace();
            throw e;
        }
        return strResult;
    }

Answer 1

没有参数的地方可以写成null吧，反射用起来挺不错的。