switch-if 买*程序

 1 package com.java.test;
 2 
 3 import java.util.Scanner;
 4 
 5 public class practice3_15 {
 6 
 7     public static void main(String[] args) {
 8         int lottery = (int)(Math.random() * 1000);
 9         //System.out.println(lottery);
10         Scanner sc = new Scanner(System.in);
11         System.out.println("Enter your lotter pick (three digits):");
12         int guess = sc.nextInt();
13         
14         int lotteryDigits1 = lottery / 100;
15         int lotteryDigits2 = lottery / 10;
16         int lotteryDigits3 = lottery % 10;
17         
18         int guessDigit1 = guess / 100;
19         int guessDigit2 = guess / 10;
20         int guessDigit3 = guess % 10;
21         
22         if(guess == lottery) {
23             System.out.println("win $10 000");
24         } else if (
25                 ((guessDigit1 == lotteryDigits1) && (guessDigit2 == lotteryDigits3) && (guessDigit3 == lotteryDigits2))||
26                 ((guessDigit1 == lotteryDigits2) && (guessDigit2 == lotteryDigits1) && (guessDigit3 == lotteryDigits3))||
27                 ((guessDigit1 == lotteryDigits2) && (guessDigit2 == lotteryDigits3) && (guessDigit3 == lotteryDigits1))||
28                 ((guessDigit1 == lotteryDigits3) && (guessDigit2 == lotteryDigits1) && (guessDigit3 == lotteryDigits2))||
29                 ((guessDigit1 == lotteryDigits3) && (guessDigit2 == lotteryDigits1) && (guessDigit3 == lotteryDigits2))
30                 ) {
31             System.out.println("win $3000");
32         } else if (
33                 (guessDigit1 == lotteryDigits1)||(guessDigit1 == lotteryDigits2)||(guessDigit1 == lotteryDigits3)||
34                 (guessDigit2 == lotteryDigits1)||(guessDigit2 == lotteryDigits2)||(guessDigit2 == lotteryDigits3)||
35                 (guessDigit3 == lotteryDigits1)||(guessDigit3 == lotteryDigits2)||(guessDigit3 == lotteryDigits3)
36                 ) {
37             System.out.println("win $1000");
38         } else {
39             System.out.println("sorry");
40         }
41         
42 
43     }
44 
45 }