同P1002电子钟

import java.util.Scanner;

public class Main {
    public static void main(String[] args) {
        Scanner sc = new Scanner(System.in);
        String[][] strArr = new String[][]
                {
                        {"   "," _ ",},
                        {"  |"," _|","|_|","|_ ","| |"},
                        {"  |","|_ "," _|","|_|"}
                };//在这个二维数组中存入所有可能出现的字符串
        while (sc.hasNextInt())
        {
            int a = sc.nextInt();
            int b = sc.nextInt();
            int c = sc.nextInt();
            int d = sc.nextInt();
            int[] arr = new int[]{a,b,c,d};//将输入存入数组，便于遍历

            String temp = "";
            //用for循环一行一行输出，i用来确定输出到第几行了，也确定应该调用字符串数组strArr的哪一行字符串（一共三行）
            for (int i = 0; i < 3; i++) {
                for(int num : arr)//遍历，筛选，然后把对应的字符串接到temp上（也可以直接不换行输出）
                {
                    if(i == 0)
                    {
                        if(num == 1 || num == 4)
                        {
                            temp += strArr[i][0];
                        }
                        else//只是我偷懒，最好还是用else-if吧(下同)
                        {
                            temp += strArr[i][1];
                        }
                    }
                    if(i == 1)
                    {
                        if(num == 1 || num == 7)
                        {
                            temp += strArr[i][0];
                        }
                        else if (num == 2 || num == 3)
                        {
                            temp += strArr[i][1];
                        }
                        else if (num == 0)
                        {
                            temp += strArr[i][4];
                        }
                        else if (num == 5 || num == 6)
                        {
                            temp += strArr[i][3];
                        }else
                        {
                            temp += strArr[i][2];
                        }
                    }
                    if(i == 2)
                    {
                        if(num == 1 || num == 7 || num == 4)
                        {
                            temp += strArr[i][0];
                        }
                        else if (num == 2)
                        {
                            temp += strArr[i][1];
                        }
                        else if (num == 0 || num == 6 || num == 8)
                        {
                            temp += strArr[i][3];
                        }
                        else if (num == 5 || num == 3 || num == 9)
                        {
                            temp += strArr[i][2];
                        }
                    }
                }
                System.out.println(temp);//输出temp
                temp = "";//重置temp，准备下一行录入
            }
        }
    }
}