//请实现一个函数,把字符串 s 中的每个空格替换成"%20"。 // // // // 示例 1: // // 输入:s = "We are happy." //输出:"We%20are%20happy." // // // // 限制: // // 0 <= s 的长度 <= 10000 // //leetcode submit region begin(Prohibit modification and deletion) class Solution { public String replaceSpace(String s) { StringBuffer sb = new StringBuffer(); for (int i = 0; i < s.length(); i++) { if((int)((char)s.charAt(i))==(int)' '){ sb.append("%20"); }else{ sb.append(s.charAt(i)); } } return sb.toString(); } } //leetcode submit region end(Prohibit modification and deletion)