title: ios - How to declare static variable?
body: <p>Static Variable declared in C# like this :</p>
  
  <pre><code>private const string Host = "http://80dfgf7c22634nbbfb82339d46.cloudapp.net/";
  private const string ServiceEndPoint = "DownloadService.svc/";
  private const string ServiceBaseUrl = Host + ServiceEndPoint;
  public static readonly string RegisteredCourse = ServiceBaseUrl + "RegisteredCourses";
  public static readonly string AvailableCourses = ServiceBaseUrl + "Courses";
  public static readonly string Register = ServiceBaseUrl + "Register?course={0}";
  </code></pre>
  
  <p>How to call this static variable in another class ?</p>