// Bonus program (not covered in lecture)
//
// This program prompts the user for a string of 3 names
// of the form:  first.middle.last
// The program separates this single string into an array of size three.

import java.util.*;

public class Names {
    public static final char SEPARATOR = '.';
    public static final int NUM_NAMES = 3;
    
    public static void main(String args[]) {
        Scanner console = new Scanner(System.in);
        
        System.out.println("Please enter a string containing " + NUM_NAMES + 
                           " names separated by " + SEPARATOR);
        String inputString = console.next();
        
        String[] names = extractNames(inputString);
        
        for(int i = 0; i < NUM_NAMES; i++) {
            System.out.println("names[" + i + "]: " + names[i]);
        }
    }
    
    // Accepts a string in the form Thomas.Alva.Edison
    // and returns an array containing each of the 3 names
    public static String[] extractNames(String fullName) {
        // Creates an array of NUM_NAMES strings
        String[] names = new String[NUM_NAMES];
        
        // Get all but the last name
        for (int i = 0; i < NUM_NAMES - 1; i++) {
            int separatorLoc = fullName.indexOf(SEPARATOR);
            names[i] = fullName.substring(0, separatorLoc);
            // consume a name and a separator
            fullName = fullName.substring(separatorLoc + 1, fullName.length());
        }
        
        // Get last name
        names[NUM_NAMES-1] = fullName;
        return names;
    }
}