// This is the playground and driver

import java.util.Vector;
import javax.swing.JButton;

public class Lab1_8 {

	private static int i = 4;
	private int total = 0;
	//private Lab1_8 bill = new Lab1_8();
	
	public static void main(String[] args) {
		Vector v = new Vector(15, 10);
		
		IntVector v2 = new IntVector();
		
		for (int i = 20; i > 0; i--) {
			v2.add( i );
		}
		
		System.out.println( v2.get(3) );

		v.add("Peter");
		v.add("Eric");
		
		//String s = (String)v.get(20);
		
		Object [] x = v.toArray();
		
		for (int i = 0; i < x.length; i++) {
			//System.out.print( x[i].toString() );
		}	
		
		System.out.println( v.indexOf(new Integer(2) ));
		System.out.println( v2 );
		System.out.println( v.capacity() );
	}
	
	public void foo() {
		System.out.println("hello from foo");
	}

}

// This is the IntVector

import java.util.Vector;

public class IntVector {

	private Vector numbers = new Vector();
	
	public String toString() {
		return numbers.toString();
	}
	
	public boolean add(int number) {
		numbers.add( new Integer(number) );
		
		return true;
	}
	
	public int size() {
		return numbers.size();
	}
	
	public int get(int index) {
		// add error checking
		return ((Integer)numbers.get(index)).intValue();
	}
	

}