5. Count All Words

/* Write a program to count the number of words in given sentence.
 * Use any non-letter character as word separator. */

import java.util.Scanner;

public class _05_CountAllWords {

    public static void main(String[] args) {
        // TODO Auto-generated method stub
        Scanner scan = new Scanner(System.in);
        System.out.println("Enter your sentence on single line: ");
        String inputText = scan.nextLine();

        if (!inputText.isEmpty()) {
            String[] words = inputText.split("[\\W]+");
            System.out.println("The number of words in given sentence is: "
                    + words.length);
        } else {
            System.out.println("Error! - The Input Text is Empty!!!");
        }
    }

}