[프로그래머스] x 사이의 개수 Java

 

import java.util.ArrayList;
import java.util.List;

class Solution {
    public int[] solution(String myString) {
        List<Integer> answer = new ArrayList<>();
        String[] xes = myString.split("x", -1);
        for (String x : xes) {
          answer.add(x.length());
        }
        return answer.stream().mapToInt(Integer::intValue).toArray();
    }
}

 

 

import java.util.Arrays;

class Solution {
    public int[] solution(String myString) {

        return Arrays.stream(myString.split("x", myString.length()))
            .mapToInt(x -> x.length())
            .toArray();
    }
}