/*
 * Sample solution to Question 1
 */

import java.util.Scanner;

public class LoopHwk1 {
	public static void main(String[] args) {

		// Change the name of this method (e.g. question1) to
		// run your code for a different question on this assignment.
		question1v2();
	}

	/*
	 * Question 1 Ask the user to enter a string. Print out the characters of
	 * the string one per line followed by the number of characters. For
	 * example, input "cat" produces output 
	 * c 
	 * a 
	 * t 
	 * 3
	 */

	/*
	 * Step 1 - understand the problem
	 * Step 2 - make it concrete.  We use the example, cat, provided. 
	 *    Draw your data.  This is essential.
	 * version 0 (v0) - write a loop that executes input.length() number of times
	 */
	public static void question1v0() {
		Scanner keyboard = new Scanner(System.in);
		System.out.println("Enter a string ");
		String input = keyboard.nextLine();

		int index = 0;
		while(index <= input.length()) {
			System.out.println("index = " + index);
			index++;
		}

	}
	
	/*
	 * version 1 (v1) - print each character
	 */
	public static void question1v1() {
		Scanner keyboard = new Scanner(System.in);
		System.out.println("Enter a string ");
		String input = keyboard.nextLine();

		int index = 0;
		while(index <= input.length()) {
			System.out.println(input.charAt(index));
			index++;
		}

	}
		
	/*
	 * version 2 (v2) - fix the bug and print length of string
	 */
	public static void question1v2() {
		Scanner keyboard = new Scanner(System.in);
		System.out.println("Enter a string ");
		String input = keyboard.nextLine();

		int index = 0;
		while(index < input.length()) {  // change loop condition
			System.out.println(input.charAt(index));
			index++;
		}
		System.out.println(index);
		//System.out.println(input.length());

	}
}