// Create a new Schedule object and save it in
  // the variable 'mySchedule'
  var mySchedule = new Schedule([
      // Create an array of the Lecture objects, which
      // are passed in as the only argument to the Lecture object
      new Lecture( "Gym", "Mr. Smith" ),
      new Lecture( "Math", "Mrs. Jones" ),
      new Lecture( "English", "TBD" )
  ]);
  
  // Display the Schedule information as a pop-up alert
  alert( mySchedule.display() );