package CIS115;
import java.util.Scanner;


public class NestLoops {

    public static void main(String[] args) {
        for (int i = 0; i < 3; i = i + 1) {
            for (int j = 0; j < 3; j = j + 1) {
                System.out.println(i + " " + j);
            }
        }

        String user = "x"; // dummy value so loop starts
        // repeat until they quit
        while (!user.equals("quit")) {
            int high = promptInt("Count to?");
            // count to the chosen number
            for (int i = 0; i < high; i = i + 1) {
                System.out.println(i);
            }
            user = promptString("again or quit?");
        }

        
        int highest = -1; // start off lower than legal values
        int userNum;
        // ten times
        for (int count = 0; count < 10; count = count + 1) {

            // make user repeat until the number is legal
            do {
                userNum = promptInt("Enter number from 0 to 100");
            } while (userNum < 0 || userNum > 100);

            // check if this is our new highest number
            if (userNum > highest) {
                highest = userNum;
            }
        }
        System.out.println("the highest number was " + highest);

    }

    /*    Simple Utility methods that prompt the user and return input
          If you enter the wrong type of input, the program will end
          with an error!
     */
    // utility for reading in integer input
    public static int promptInt(String promptText) {
        System.out.print(promptText + " ");
        Scanner scan = new Scanner(System.in);
        int response = scan.nextInt();
        return response;
    }


    // utility for reading in String input
    public static String promptString(String promptText) {
        System.out.print(promptText + " ");
        Scanner scan = new Scanner(System.in);
        String response = scan.nextLine();
        return response;
    }

 }