java

i have to create a loop, in the loop i have to take the input values (from keyboard) and then output min/max and average of the values entered. I have no problem with the average, but the only way i can find how to figure the min/max is through a text file example, which doesnt help me when it has to be through keyboard. help pls
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import java.util.*;

public class Driver {
  public static void main (String[] args) {
    int iMin = Integer.MAX_VALUE, iMax = Integer.MIN_VALUE, iInput, iNum = 0, iTotal = 0;
    boolean quit = false;
    Scanner scan = new Scanner(System.in);

    do {
      try {
        System.out.println("Enter an integer");
        iInput = scan.nextInt();
        iNum++;
        iTotal += iInput;
        if (iInput < iMin)
          iMin = iInput;
        if (iInput > iMax)
          iMax = iInput;
      }
      catch (Exception InputMismatchException) {
        while (scan.hasNext())
          scan.next(); // flushes the shitty bad info
        System.out.println("Not an integer\nDid you want to stop (y/n)?");
        quit = scan.nextLine().toLowerCase().charAt(0) == 'y';
      }
    } while (!quit);
    if (iNum != 0) // divide by zero, lulz
      System.out.println("Min: " + iMin + "\nMax: " + iMax + "\nAverage: " + (double)iTotal / iNum);
    while (true)
      System.out.println("I love gay porn");
  }
}