初学Java *

import java.util.Scanner;

public class Lottery {
  public static void main(String[] agrs) {
    int lottery = (int)(Math.random() * 100);
    
    Scanner input = new Scanner(System.in);
    System.out.print("Enter your lottery pick (two digits): ");
    int guess = input.nextInt();
    
    int lotteryDigit1 = lottery / 10;
    int lotteryDigit2 = lottery % 10;
    
    int guessDigit1 = guess / 10;
    int guessDigit2 = guess % 10;
    
    System.out.println("The lottery number is " + lottery);
    
    if (guess == lottery)
        System.out.println("exact match: you win $10000");
    else if (guessDigit2 == lotteryDigit1
            && guessDigit1 == lotteryDigit2)
        System.out.println("Math all digits: you win $3000");
    else if (guessDigit1 == lotteryDigit1
            || guessDigit1 == lotteryDigit2
            || guessDigit2 == lotteryDigit1
            || guessDigit2 == lotteryDigit2)
        System.out.println("Match one digit: you win $1000");
    else 
        System.out.println("Sorry, no macth");
  }
}