Java读写cookie

/*
* 写cookie
*/
Cookie namecookie = new Cookie("username",username);
Cookie passwordcookie = new Cookie("password",password);


//生命周期    一年
namecookie.setMaxAge(60*60*24*365);
passwordcookie.setMaxAge(60*60*24*365);

   
response.addCookie(namecookie);
response.addCookie(passwordcookie);


/*
* 读cookie
*/
Cookie[] cookies = request.getCookies();
if(cookies!=null)
{
    String username = "";
    String password = "";

    for (int i = 0; i < cookies.length; i++)
    {
       Cookie c = cookies[i];    
       if(c.getName().equalsIgnoreCase("username "))
       {
          name = c.getValue();
        }
        else if(c.getName().equalsIgnoreCase("password"))
        {
           password = c.getValue();
        }

    }
  }