View Code of Problem 58

import java.util.Scanner;

public class Main {
    public static void main(String[] args) {
        Scanner scanner = new Scanner(System.in);
        String nextLine = scanner.nextLine();
        String[] strings = nextLine.split(" ");
        int count = 0;
        for (int i = 0; i < strings.length; i++) {
            String string = strings[i].trim();
            if (!"".equals(string)) {
                count++;
            }
        }
        System.out.print(count);
    }
}