android-notes/blogs/Algorithm/剑指 Offer/字符串相关.md

字符串相关

05. 替换空格

class Solution {

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