剑指 Offer 05. 替换空格

替换空格

class Solution {
public:
    string replaceSpace(string s){
        string res;
        for(int i = 0; i < s.size(); i++){
            if(s[i] == ' '){
                res += "%20";
            }
            else{
                res += s[i];
            }
        }
        return res;
    }
};

class Solution {
    public String replaceSpace(String s) {
        StringBuilder string = new StringBuilder();
        for(int i = 0; i < s.length(); i++){
            char c = s.charAt(i);
            if(c == ' '){
                string.append("%20");
            }
            else{
                string.append(c);
            }
        }
        return string.toString();
    }
}

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