import java.util.ArrayList;

public class ArrayListDemo1 
{
	public static void main(String[] args)
	{
		ArrayList<String> veggies = new ArrayList<String>();
		veggies.add("carrots");			// carrots
		veggies.add("broccoli");		// carrots, broccoli
		veggies.add("lettuce");			// carrots, broccoli, lettuce
		veggies.add("cauliflower");		// carrots, broccoli, green beans, lettuce, cauliflower
		veggies.remove(0);			// broccoli, green beans, lettuce, cauliflower
		veggies.set(1, "asparagus");		// broccoli, asparagus, lettuce, cauliflower
		veggies.remove(2);			// broccoli, asparagus, cauliflower
		System.out.println(veggies);
		
		//////////////////////////////////////////////////
		
		ArrayList<String> fruits = new ArrayList<String>();	
		fruits.add("plums");			// plums
		fruits.add("figs");			// plums, figs
		fruits.add("apples");			// plums, figs, apples
		String mySnack = fruits.get(1); 	// figs
		fruits.add(mySnack);			// plums, figs, apples, figs
		System.out.println(fruits.get(0)); 	// plums
		fruits.remove(0);			// figs, apples, figs
		System.out.println(fruits.remove(0)); 	// figs
		System.out.println(fruits.size());	// 3 (apples, figs)
		System.out.println(fruits.get(fruits.size() - 1)); // figs
		System.out.println(fruits);		// apples, figs
		
		/////////////////////////////////////////////////
		ArrayList<String> names = new ArrayList<String>();
		names.add("Fran");
		names.add("Alfred");
		names.add("Sally");
		System.out.println("The names that are alphabetically less than M are: ");
		
		for (String nextSnack : names)
		{
			if (nextSnack.compareTo("M") < 0)
				System.out.println(nextSnack + " ");
		}
		
		System.out.println();
		//////////////////////////////////////////////////
		
		ArrayList<Integer> nums = new ArrayList<Integer>();
		
		for (int i = 1; i <= 10; i++)
			nums.add(i);			// 1 2 3 4 ... 10
		
		System.out.println(nums.get(3));	// 4
		
		for (int i = 0; i < nums.size(); i++)
			if (nums.get(i) % 2 == 0)
				nums.remove(i);
		
		System.out.println(nums);		// 1 3 5 7 9
		
		//////////////////////////////////////////////////
		
		ArrayList<String> friends = new ArrayList<String>();
		friends.add("Jill Miller");		// Jill Miller
		friends.add("Bill Miller");		// Jill Miller, Bill Miller
		friends.add("Carly Sampson");		// Jill Miller, Bill Miller, Carly Sampson
		friends.set(1, "Will Maloney");		// Jill Miller, Will Maloney, Carly Sampson
		friends.add(2, "Phil Collins");		// Jill Miller, Will Maloney, Phil Collins, Carly Sampson
		friends.remove(0);			// Will Maloney, Phil Collins, Carly Sampson
		displayInitials(friends);
		System.out.println(friends);
	}
	
	public static void displayInitials(ArrayList<String> arr)
	{
		for (String x : arr)
		{
			System.out.print(x.substring(0, 1));
			System.out.println(x.substring(x.indexOf(" ") + 1, x.indexOf(" ") + 2));
		}
	}// end of displayInitials method
	
}// end of ArrayListDemo class