Count Words in Java

1import java.util.Scanner;
2
3public class Main {
4    public static void main(String[] args) {
5        Scanner sc = new Scanner(System.in);
6        System.out.print("Enter a sentence: ");
7        String s = sc.nextLine().trim();
8
9        if (s.isEmpty()) {
10            System.out.println("Words: 0");
11        } else {
12            String[] words = s.split("\\s+");
13            System.out.println("Words: " + words.length);
14        }
15        sc.close();
16    }
17}