class WeeklySchedule {

   String[] schedule; /* = new String[7]; */

   WeeklySchedule( ) { 
     this.schedule = new String[7];
     for( int i = 0 ; i < schedule.length ; i++ ) {
       schedule[i] = "Nothing to do";
     }
   }

   //new WeeklySchedule().numAppts() == 0
   // ...
   //WeeklySchedule w = new WeeklySchedule();
   // w.schedule[3] = "Lunch with Tim";
   // w.numAppts() == 1
   //To return the number of appoints in this WeeklySchedule
   int numAppts() {
     // ... this.schedule[...] ... 
     int total = 0;
     for( int i = 0; i < this.schedule.length ; i++ ) {
       if ( !(this.schedule[i].equals("Nothing to do")) )
         total = total + 1;
     }
     return total;
   }

}