《java辅导》：学打表，练习打表，....

import java.util.Scanner;

public class Main {
    public static void main(String[] args) {
        String[][] str =
                {{" _ ","| |","|_|"},
                {"   ","  |","  |"},
                {" _ "," _|","|_ "},
                {" _ "," _|"," _|"},
                {"   ","|_|","  |"},
                {" _ ","|_ "," _|"},
                {" _ ","|_ ","|_|"},
                {" _ ","  |","  |"},
                {" _ ","|_|","|_|"},
                {" _ ","|_|"," _|"}};
        Scanner sc = new Scanner(System.in);
        while(sc.hasNext()){
            String s = sc.nextLine();
            char[] chs = s.toCharArray();
            for (int i = 0; i < 3; i++) {
                for (char ch: chs){
                    if(ch >= '0' && ch<= '9') {
                        System.out.print(str[ch - '0'][i]);
                    }
                }
                System.out.println();
            }
            System.out.println();
        }
    }
}