替换空格_JAVA_较难
替换空格
http://www.nowcoder.com/questionTerminal/4060ac7e3e404ad1a894ef3e17650423
- 遍历替换
public class Solution {
public String replaceSpace(StringBuffer str) {
StringBuffer res = new StringBuffer();
for(char c : str.toString().toCharArray()) {
if(c == ' ') {
res.append("%20");
} else {
res.append(c);
}
}
return res.toString();
}
}
