我的 if, else 语句有问题

Question

我不明白为什么我的程序会跳到最后的 "else" 语句。这是我的代码如下，也有点粗糙，因为我刚开始使用它并且我是 Java 的新手。如果还有什么需要尽管问！

我们应该编写的程序正在用于获取储物柜密码。我已经硬编码了我想要的组合，并且当我输入 12-34-56 时程序可以运行。但是，如果我输入 12-12-34 或任何其他变体，它会自动跳到程序末尾并说不匹配，即使这不应该是结果。相反，它应该打印出“猜测中的 2 个数字彼此重复。2 个数字出现在组合中。”

如果您还需要什么，请告诉我！谢谢，祝你有美好的一天！（我还使用 java 和 BlueJ 来完成所有这些工作。）

import java.util.*;
public class Combination
{

public static void main(String[] args) {

        int lock1 = 12;
        int lock2 = 34;
        int lock3 = 56;

        Scanner input = new Scanner(System.in);

        System.out.print("Enter first two digits: ");
        int guess1 = input.nextInt();
        System.out.print("Enter second two digits: ");
        int guess2 = input.nextInt();
        System.out.print("Enter last two digits: ");
        int guess3 = input.nextInt();

        if (lock1 == guess1 && lock2 == guess2 && lock3 == guess3) {
            System.out.print("Exact Match! Locker Unlocked");
        }
        else if (lock1 == guess1 && lock2 == guess3 && lock3 == guess2
        || lock1 == guess2 && lock2 == guess3 && lock3 == guess1 
        || lock1 == guess2 && lock2 == guess1 && lock3 == guess3
        || lock1 == guess3 && lock2 == guess2 && lock3 == guess1
        || lock1 == guess3 && lock2 == guess1 && lock3 == guess2)
        {
            System.out.println("All numbers match but not in the correct order");
        }
        else if (lock1 == guess1 && lock2 == guess1 && lock3 == guess1
        || lock1 == guess2 && lock2 == guess2 && lock3 == guess2
        || lock1 == guess3 && lock2 == guess3 && lock3 == guess3) {
            System.out.println("Guess contains 3 duplicate numbers.");
            System.out.println("One number in the guess appears in the combination.");
        }
        else if (lock1 == guess1 && lock2 == guess1 && lock3 == guess2
        || lock1 == guess1 && lock2 == guess1 && lock3 == guess3
        || lock1 == guess2 && lock2 == guess2 && lock3 == guess3
        || lock1 == guess2 && lock2 == guess2 && lock3 == guess1
        || lock1 == guess3 && lock2 == guess3 && lock3 == guess2
        || lock1 == guess3 && lock2 == guess3 && lock3 == guess1
        || lock1 == guess2 && lock2 == guess1 && lock3 == guess1
        || lock1 == guess3 && lock2 == guess1 && lock3 == guess1        
        || lock1 == guess3 && lock2 == guess2 && lock3 == guess2
        || lock1 == guess1 && lock2 == guess2 && lock3 == guess2
        || lock1 == guess1 && lock2 == guess3 && lock3 == guess3
        || lock1 == guess2 && lock2 == guess3 && lock3 == guess3) {
            System.out.println("2 numbers in the guess are duplicates of each other." +
            "2 numbers guess appear in the combination.");
        }
        else{
        System.out.println("Sorry not a match");
        }


    }
}

Answer 1

最后两个 else-if 条件有两个问题：

lock 和 guard 需要交换。我们总是想检查所有三个猜测。目前，一个猜测被检查 twice/thrice 并且 one/two 猜测被忽略。尤其是倒数第二个else-if只有在lock1 = lock2 = lock3时才能进入。另一种发现问题的方法：要知道 Guess contains 3 duplicate numbers. 你必须检查所有三个猜测。目前，只检查一个猜测（每个案例）。
最后一个 else-if 条件缺少一些析取符。有 18 种可能的情况输入恰好两次相同的猜测，程序只检查其中的 12 种。

这里是现存和遗失的案例。每个数字代表三个猜测之一。

missing|present
-------+-------
        112
        113
121
        122
131
        133
        211
212
        221
        223
232
        233
        311
313
        322
323
        331
        332

在我将倒数第二个 else-if 条件更改为

后，程序是正确的*

   guess1 == lock1 && guess2 == lock1 && guess3 == lock1
|| guess1 == lock2 && guess2 == lock2 && guess3 == lock2
|| guess1 == lock3 && guess2 == lock3 && guess3 == lock3

和最后一个 else-if 条件

   guess1 == lock1 && guess2 == lock1 && guess3 == lock2
|| guess1 == lock1 && guess2 == lock1 && guess3 == lock3
|| guess1 == lock1 && guess2 == lock2 && guess3 == lock1
|| guess1 == lock1 && guess2 == lock2 && guess3 == lock2
|| guess1 == lock1 && guess2 == lock3 && guess3 == lock1
|| guess1 == lock1 && guess2 == lock3 && guess3 == lock3
|| guess1 == lock2 && guess2 == lock1 && guess3 == lock1
|| guess1 == lock2 && guess2 == lock1 && guess3 == lock2
|| guess1 == lock2 && guess2 == lock2 && guess3 == lock1
|| guess1 == lock2 && guess2 == lock2 && guess3 == lock3
|| guess1 == lock2 && guess2 == lock3 && guess3 == lock2
|| guess1 == lock2 && guess2 == lock3 && guess3 == lock3
|| guess1 == lock3 && guess2 == lock1 && guess3 == lock1
|| guess1 == lock3 && guess2 == lock1 && guess3 == lock3
|| guess1 == lock3 && guess2 == lock2 && guess3 == lock2
|| guess1 == lock3 && guess2 == lock2 && guess3 == lock3
|| guess1 == lock3 && guess2 == lock3 && guess3 == lock1
|| guess1 == lock3 && guess2 == lock3 && guess3 == lock2

* 我使用脚本检查了所有可能的组合。

提示：如果您改用数组和循环，程序会更简单、更清晰且可扩展。

我的 if, else 语句有问题

Trouble with my if, else statements

java

bluej