Accepts number spelling and converts to long.

import java.util.Scanner;

public class Words {

    public static void main(String[] args) {

        Scanner keyboard = new Scanner(System.in);
        long number = 0L;
        System.out.print("Enter: ");
        String wordNum = keyboard.nextLine();

                //Using String with switch statement works in Java 1.7 and up.
        switch(wordNum){
        case("one"):
            number = 1L;
            break;
        case("two"):
            number = 2L;
            break;
        case("three"):
            number = 3L;
            break;
        case("four"):
            number = 4L;
            break;
        case("five"):
            number = 5L;
            break;
        case("six"):
            number = 6L;
            break;
        case("seven"):
            number = 7L;
            break;
        case("eight"):
            number = 8L;
            break;
        case("nine"):
            number = 9L;
            break;
        case("ten"):
            number = 10L;
            break;
        default:
            System.out.println("Invalid entry.");
        }
        System.out.println("You entered: " + number);

    }

}