Adding URL(Hyperlinks) Description programmatically to a list in SharePoint

SPFieldUrlValue linkUrl = new SPFieldUrlValue();
linkUrl.Description = “Whatever”;
linkUrl.Url = anURL.ToString();
anItem["URL"] = linkUrl;
anItem.Update();

or

SPSite site = new SPSite(url);
SPWeb web = site.OpenWeb();
SPList list = web.Lists[listName];
SPListItem item = list.Items.Add();
item["Hyperlink"] = stringUrl + “, ” + stringDescription;
item.Update();