Reverse Words in Sentence

Reverse the order of words in a sentence.

JavaBeginner
Java
import java.util.Scanner;

public class Main {
    public static void main(String[] args) {
        Scanner sc = new Scanner(System.in);
        System.out.print("Enter a sentence: ");
        String s = sc.nextLine().trim();

        String[] words = s.split("\\s+");
        StringBuilder sb = new StringBuilder();
        for (int i = words.length - 1; i >= 0; i--) {
            sb.append(words[i]).append(" ");
        }
        System.out.println("Reversed words: " + sb.toString().trim());
        sc.close();
    }
}

Output

Enter a sentence: Java is fun
Reversed words: fun is Java

We split into words and rebuild string from last word to first.