Method reverseWords

Java/reverse-words-in-a-string.java:23–38

(String s)

*/
class Solution {
    public String reverseWords(String s) {
        s = s.trim();
        
        String [] strArr = s.split(" ");
        
        String ans = "";
        
        for (int i=strArr.length-1; i>=0; i--) {
            if (strArr[i].isEmpty()){
        		continue;
        	}
            ans += strArr[i].trim() + " ";
        }
        
        return ans.trim();
    }
}