基础练习 报时助手

问题描述
  给定当前的时间,请用英文的读法将它读出来。
  时间用时h和分m表示,在英文的读法中,读一个时间的方法是:
  如果m为0,则将时读出来,然后加上“o'clock”,如3:00读作“three o'clock”。
  如果m不为0,则将时读出来,然后将分读出来,如5:30读作“five thirty”。
  时和分的读法使用的是英文数字的读法,其中0~20读作:
  0:zero, 1: one, 2:two, 3:three, 4:four, 5:five, 6:six, 7:seven, 8:eight, 9:nine, 10:ten, 11:eleven, 12:twelve, 13:thirteen, 14:fourteen, 15:fifteen, 16:sixteen, 17:seventeen, 18:eighteen, 19:nineteen, 20:twenty。
  30读作thirty,40读作forty,50读作fifty。
  对于大于20小于60的数字,首先读整十的数,然后再加上个位数。如31首先读30再加1的读法,读作“thirty one”。
  按上面的规则21:54读作“twenty one fifty four”,9:07读作“nine seven”,0:15读作“zero fifteen”。
输入格式
  输入包含两个非负整数h和m,表示时间的时和分。非零的数字前没有前导0。h小于24,m小于60。
输出格式
  输出时间时刻的英文。
样例输入
0 15
样例输出
zero fifteen

此题需要注意分钟的判定,和十位数字读法

import java.util.Scanner;

public class Main {

    public static void main(String[] args) {
        Scanner sc = new Scanner(System.in);
        int m = sc.nextInt();//时
        int n = sc.nextInt();//分
        String shuchu="";
        if(n==0) {
            shuchu=zhuanhuan(m)+" "+"o'clock";
        }
        else {
            shuchu=zhuanhuan(m)+" "+zhuanhuan(n);
        }
        System.out.println(shuchu);


        
        
    }
    public static String zhuanhuan(int x) {//单个数字转换
        String fanhui;
        if(x<60&&x<20||x%10==0) {
            switch(x) {
            case 0:
                fanhui = "zero";break;
            case 1:
                fanhui = "one";break;
            case 2:
                fanhui = "two";break;
            case 3:
                fanhui = "three";break;
            case 4:
                fanhui = "four";break;
            case 5:
                fanhui = "five";break;
            case 6:
                fanhui = "six";break;
            case 7:
                fanhui = "seven";break;
            case 8:
                fanhui = "eight";break;
            case 9:
                fanhui = "nine";break;
            case 10:
                fanhui = "ten";break;   
            case 11:
                fanhui = "eleven";break;    
            case 12:
                fanhui = "twelve";break;    
            case 13:
                fanhui = "thirteen";break;  
            case 14:
                fanhui = "fourteen";break;              
            case 15:
                fanhui = "fifteen";break;   
            case 16:
                fanhui = "sixteen";break;   
            case 17:
                fanhui = "seventeen";break; 
            case 18:
                fanhui = "eighteen";break;  
            case 19:
                fanhui = "nineteen";break;
            case 20:
                fanhui = "twenty";break;
            case 30:
                fanhui = "thirty";break;
            case 40:
                fanhui = "forty";break;
            case 50:
                fanhui = "fifty";break;
            default:
                fanhui = "";break;          
            }
        }
        else {
            fanhui=zhuanhuan((x/10)*10)+" "+zhuanhuan(x%10);
        }
        return fanhui;
    }
}

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