day.java

An electronic diary programmed in java

class Day{
   int FIRST = 8;
   int LAST = 17; 
   Appointment[] appointment;
   int day;
   
   Day(int day){
      this.day = day;
      appointment = new Appointment[LAST-FIRST];}
   
   void set(int hour, Appointment a){
      appointment[hour-FIRST] = a;}
  
   Appointment get(int hour){
      return appointment[hour-FIRST];}
   
   boolean free(int hour, int n){
       int i;
       for(i=0; i < n;i++){
           if(get(hour) != null){
               return false;}}
       return true;}
   
   int findSpace(Appointment a){
       int h;
       for(h = FIRST; h <= LAST; h++){
           if (free(h, a.getDuration())){
               return h;}}
       return -1; //no place
       }
    
   boolean makeAppointment(int hour, Appointment a){
        int end = hour + a.getDuration();
        for (; hour <= end; hour++){
            set(hour, a);}
        return true;}
    
   public String toString(){
            String s = "", t;
            for (int h = FIRST; h <= LAST; h++){
                t = (get(h) == null) ? "" : get(h).toString();
                s = s + h + ":" + t + "\n";}
                return s;}        
    
          
}