C++基础知识

faffafaffa基础知识

 

private static <T> T getObj(Class<T> clazz)
    {
        //判断类型afaf
        if (clazz == Student.class)
        {
            return (T) new Student();
        }
        else if (clazz == Teacher.class)
        {
            return (T) new Teacher();
        }
        return null;
    }