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.