package LeetCode;

import java.util.ArrayList;
import java.util.Arrays;

public class LC_151 {
    public static void main(String[] args) {
        System.out.println(reverseWords("the sky is blue"));
    }

    public static String reverseWords(String s) {
        StringBuilder sb = new StringBuilder();
        String[] s1 = s.trim().split(" ");
        for (int r = s1.length - 1; r >= 0; r--) {
            if(s1[r].equals("")) continue;
            sb.append(s1[r]);
            if(r>0) sb.append(" ");
        }
        return sb.toString().trim();
    }
}