LotteryUsingStrings.java

/**
 * Created by Melissa on 20/08/2017.
 */

import java.util.Scanner;

public class LotteryUsingStrings {
    public static void main(String[] args) {
        // Generate a lottery as a two-digit string
        String lottery = "" + (int)(Math.random() * 10) + (int)(Math.random() * 10);

        // Prompt the user to enter a guess
        Scanner input = new Scanner(System.in);
        System.out.print("Enter your lottery pick (two digits): ");
        String guess = input.nextLine();

        // Get digits from lottery
        char lotteryDigit1 = lottery.charAt(0);
        char lotteryDigit2 = lottery.charAt(1);

        // Get digits from guess
        char guessDigit1 = guess.charAt(0);
        char guessDigit2 = guess.charAt(1);

        System.out.println("The lottery number is " + lottery);

        // Check the guess
        if(guess.equals(lottery))
        {
            System.out.println("Exact match: you win £10,000");
        }
        else if (guessDigit2 == lotteryDigit1 && guessDigit2 == lotteryDigit1)
        {
            System.out.println("Match all digits: you win £3,000");
        }
        else if (guessDigit1 == lotteryDigit1 || guessDigit2 == lotteryDigit2 || guessDigit1 == lotteryDigit2 || guessDigit2 == lotteryDigit1)
        {
            System.out.println("Match one digit: you win £1,000");
        }
        else {
            System.out.println("No digits matched");
        }
    }
}