/* Lesley Hogan
 * June 30th 2006
 * VectorUsage.java
 * Manipulate the Vector class
 * CS 101 HW J2:
 * http://www.cs.virginia.edu/~asb/teaching/cs101-spring06/hws/hwj2/index.html
 */

package net.bunnie.uva.cs101;

import java.util.*;

public class VectorUsage {
    public static void main (String[] args) {
        System.out.println("Let's make a vector of some movies.");
        
        //declarations
		Vector<String> v = new Vector<String>();
		printVector(v);
        Scanner s = new Scanner(System.in);
        int i;
        final int NUMBER_OF_ENTRIES = 5;
        String searchValue;
        String getString;
        
        //create vector
        for (i = 0; i < NUMBER_OF_ENTRIES; i++) {
            System.out.print("Enter movie #" + (i + 1) + ": ");
            v.add(s.next());
        }
		printVector(v);
		
		//search
		System.out.println("What is your favorite movie?");
		System.out.print("#1: ");
        searchValue = s.next();
        i = v.indexOf(searchValue);
        if (i == 0) {
            //matches 1st movie
            System.out.println("That was the first movie you entered!");
        }
        else if (i > 0) {
            //matches another movie
            System.out.println("Then how come you entered " + searchValue
                + " in the #" + (i + 1) + " spot?");
        }
        else {
            // -1
            System.out.println(searchValue +
                " wasn't even on the list of movies you entered!");
        }
        
        //first/last
        getString = v.firstElement();
        System.out.println("The movie you entered first: " + getString);
        getString = v.lastElement();
        System.out.println("The movie you entered last: " + getString);
        
        //remove
        System.out.println("Pick a movie by its index number (1-" +
            v.size() + ")");
        i = s.nextInt() - 1;
        getString = v.get(i);
        System.out.println("You picked movie #" + (i + 1) + ": " + getString);
        v.remove(i);
        System.out.println("This movie has been selected for removal.");
        printVector(v);
        
        //change an element
        System.out.print("What's your least favorite movie? ");
        getString = s.next();
        System.out.print("How many times have you seen it (1-" + v.size()
            + "max): ");
        i = s.nextInt() - 1;
        v.set(i, getString);
        System.out.println("Haha, I put it in the #" + (i + 1) + " spot!");
        printVector(v);
        System.out.println("Okay, enough of this. Bye bye, vector!");
        v.clear();
        printVector(v);
        
    }
    public static void printVector(Vector v) {
        System.out.println ("The Vector has size " + v.size() +
            ", and contains the following elements: " + v);
    }
}