Problem Reverse Worlds in a String

Problem Description: 

Given an input string, reverse the string word by word.

For example,
Given s = "the sky is blue",
return "blue is sky the".

 Solution:

public String reverseWords(String s) {
        String[] words = s.trim().split("\\s+");
        String reverseStr = "";
        for (int i = words.length - 1; i >= 0 ; i--) {
            reverseStr += words[i] + " ";
            
        }
        
        return reverseStr.trim();
    }