210211_2.txt

//Solution.java
//2021-02-11 11:28:54
//단어 짝수번째 문자 대문자로
class Solution {
    public String solution(String s) {
        String answer = "";
        int n = 0;
        for(int i=0;i<s.length();i++){
            if(s.charAt(i)==' '){
                answer += s.charAt(i);
                n=0;
            }else if(n==0){
                answer += s.valueOf(s.charAt(i)).toUpperCase();
                n++;
            }else if(n!=0&&n%2==0){
                answer += s.valueOf(s.charAt(i)).toUpperCase();
                n++;
            }else if(n!=0&&n%2==1){
                answer += s.valueOf(s.charAt(i)).toLowerCase();
                n++;
            }
        }
        return answer;
    }
}