Write a complete Java console application that prompts the user for a series of quiz scores. The user should type -1 to signify that the input of quiz scores is complete. Your program should then average the scores and display the result back to the user.

What will be an ideal response?

```
import java.util.*;
public class Average
{
public static void main(String args[])
{
Scanner stdin = new Scanner(System.in);
int quizGrade = 0;
int quizTotal = 0;
int quizCount = 0;
while(quizGrade != -1)
{
System.out.println("Enter the quiz grade or -1 to exit");
quizGrade = stdin.nextInt();
quizTotal += quizGrade;
quizCount++;
}
System.out.println("The quiz average is " +
QuizAverage(quizTotal, quizCount));
}
public static double QuizAverage(int total, int count)
{
return total/count;
}
}
```