//Import JOptionPane to get the dialog box to work
import javax.swing.JOptionPane;

public   class CountNumbers{
   
   public   static   void  main(String[] args){
      
      	String input = JOptionPane.showInputDialog(null, "Please Enter a number, enter 0 to stop", "CPSC Lab 4", JOptionPane.QUESTION_MESSAGE);

		//Initialize all variable & turning the string input into an integer
		int data = Integer.parseInt(input);
		int count = 0;
		double calc = data;
		double average = 0;
		
		//First check to prevent the program from continuing and increasing the variable used later for the average
		if(data != 0)
			count++;

		while(data != 0){

			String inputInt = JOptionPane.showInputDialog(null, "Please Enter a number, enter 0 to stop", "CPSC Lab 4", JOptionPane.QUESTION_MESSAGE);
			
			//Turn the string inputInt into an integer
			data = Integer.parseInt(inputInt);

			//Add numbers to the variable calc, which will help give a final total/result and compute the average
			calc += data;
			
			//Second check to prevent the program from continuing even if user has already entered a 0, resulting in 1 too much
			//Problem could also be resolved by editing the count variable in the average calculation e.g. average = calc/(count-1);
			//That would however be unprofessional
			if(data != 0)
				count++;
			else
				average = calc/count;

		}
		
			JOptionPane.showMessageDialog(null, "Your total is: "+calc+". # of items: "+count+". Average is: "+average+".");

      }
      
   }