/* using a marker to hold a value that meets particular criteria */
/* using an accumulator to hold the sum of a series of values */
/* this time we use a sentinel so the user can stop when s/he runs out of data! */

import javax.swing.JOptionPane;
public class MaxNumber_3 {
   public static void main( String[] args )
   {
	int get_number = 0;
	int total = 0;
	int max_number = 0;
    // Prompt the user to enter a number: 
    String numberString = JOptionPane.showInputDialog(null, 
      "Enter a number: (put in -1 to exit) ", "Input Number Window", 
      JOptionPane.QUESTION_MESSAGE);
   
    // Convert the string into an int value
    get_number = Integer.parseInt(numberString);
	// use -1 in this case as the sentinel
    while (get_number != (-1) ) {
		System.out.println(" The number you entered is " + get_number + ".");

		if (get_number > max_number)  // checking the current value against the marker
			max_number = get_number;
		total = total + get_number;   // adding to the accumulator variable

    	// Prompt the user to enter another number: 
    	String numString = JOptionPane.showInputDialog(null, 
      	"Enter a number: (put in -1 to exit) ", "Input Number Window", 
      	JOptionPane.QUESTION_MESSAGE);
    
    	// Convert the string into an int value
    	get_number = Integer.parseInt(numString);
		} // end of while loop

		System.out.println("\nThe highest number you entered is: " + max_number);
		System.out.println("\nThe total of the numbers you entered is: " + total);
      System.exit( 0 );   
   } // end main
} // end of program