package chapter4;

import java.util.Random;
import java.util.Scanner;

public class NumberGuessingGame 
{
	public static void main(String[] args)
	{
		Random rng = new Random();
		Scanner in = new Scanner(System.in);
		
		int chosenNumber = rng.nextInt(10);
		int guessedNumber = chosenNumber -1;  //initialize to wrong answer
		int guesses = 0;
		
		do 		{
			System.out.println("What number did I choose?");
			if (in.hasNextInt()) 			{
				guessedNumber = in.nextInt();
				guesses++;
				if (guessedNumber != chosenNumber) 				{
					System.out.print("Sorry that is incorrect. ");
				}
			}
			else			{
				System.out.println("You must enter an integer.  Try again.");
			}
		}while (guessedNumber != chosenNumber);
		
		System.out.println("Correct! I chose " + chosenNumber + ".  That took you " + guesses + " tries.");
	}

}