Need help in SharePoint list.

using (SPSite oSPsite = new SPSite("http://Web URL"))
{
    oSPsite.AllowUnsafeUpdates = true;
 
    using (SPWeb oSPWeb = oSPsite.OpenWeb())
    {
      oSPWeb.AllowUnsafeUpdates = true;
 
      /* 1. create list from custom ListTemplate present within ListTemplateGalery */
      SPListTemplateCollection lstTemp = oSPsite.GetCustomListTemplates(oSPWeb);
      SPListTemplate template = lstTemp["custom template name"];
      oSPWeb.Lists.Add("List Name", "Description", template);
 
 
      /* 2. create list from sharepoint list content type (e.g. Links) */
      oSPWeb.Lists.Add("List Name", "Description", SPListTemplateType.Links);
 
      oSPWeb.AllowUnsafeUpdates = false;
    }
 
    oSPsite.AllowUnsafeUpdates = false;
}