[JAVA] 프로그래머스 - 영어가 싫어요

https://school.programmers.co.kr/learn/courses/30/lessons/120894

프로그래머스

 

 

 

 

정답 

 

class Solution {
    public long solution(String numbers) {
        long answer = 0;
        
        String nums[] = {"zero","one","two","three","four","five","six","seven","eight","nine"};
        
        for(int i=0; i<nums.length; i++)
        {
            numbers = numbers.replace(nums[i],String.valueOf(i));
        }
        
        answer = Long.parseLong(numbers);
        
        return answer;
    }
}

 

 

 

다른 사람의 풀이 

 

import java.util.*;
class Solution {
    public long solution(String numbers) {
        Map<String, String> map = new HashMap<>();
        map.put("zero" , "0"); map.put("one"  , "1"); map.put("two"  , "2"); map.put("three", "3"); 
        map.put("four" , "4"); map.put("five" , "5"); map.put("six"  , "6"); map.put("seven", "7"); 
        map.put("eight", "8"); map.put("nine" , "9");

        for(String x : map.keySet()) 
            numbers = numbers.replace(x, map.get(x));

        return Long.parseLong(numbers);
    }
}