[프로그래머스 코딩테스트] java Lv.0 배열 만들기5

import java.util.*;
class Solution {
    public ArrayList<Integer> solution(String[] intStrs, int k, int s, int l) {
        ArrayList<Integer> answer = new ArrayList<>();
        
        for(int i=0;i<intStrs.length;i++){
            String str="";
            for(int j=s;j<s+l;j++){
                char ch = intStrs[i].charAt(j);    
                str+=ch;      
            }
            if(Integer.parseInt(str)>k) answer.add(Integer.parseInt(str));     
                
        }
        return answer;
    }
}