title: Meaning of "~" (tilde) symbol in C++?
body: <pre><code>// AirlineTicket.h
  
  class AirlineTicket
  {
  public:
    AirlineTicket();
  
    ~AirlineTicket();
       
    int          getNumberOfMiles();
      
  private:
    int          mNumberOfMiles;
  };
  </code></pre>
  <p>I want now what is the meaning of  <code>~AirlineTicket();</code> in this code?
  I don't know the meaning of <code>~</code> (tilde).</p>