Given a string, you need to reverse the order of characters in each word within a sentence while still preserving whitespace and initial word order.
Example 1:
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| Input: "Let's take LeetCode contest"
Output: "s'teL ekat edoCteeL tsetnoc"
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Note: In the string, each word is separated by single space and there will not be any extra space in the string.
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public class ReverseWordsInAStringIII {
public String reverseWords(String s) {
if (s == null || s.length() < 1) {
return s;
}
String[] arr = s.split(" ");
StringBuilder sb = new StringBuilder();
for (String str : arr) {
sb.append(new StringBuffer(str).reverse()).append(" ");
}
sb.delete(sb.length() - 1, sb.length());
return sb.toString();
}
}
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