Split into Words

Lab Java Beginner 10 points

Read a line of words separated by one or more spaces. Print the number of words and then each word on its own line.

Input

One line.

Output

The count, then the words.

Example

Input

red   green blue

Output

3
red
green
blue

Sample input available Sample output available

Editor

Java

Hints

split("\\s+") splits on runs of whitespace.

trim() first so leading spaces don't create an empty word.

Solution explanation

split takes a regular expression; \\s+ means one or more whitespace characters.

Show solution

import java.util.Scanner;

public class Main {
    public static void main(String[] args) {
        Scanner sc = new Scanner(System.in);
        String[] words = sc.nextLine().trim().split("\\s+");
        System.out.println(words.length);
        for (String w : words) {
            System.out.println(w);
        }
    }
}

Output

Answer