package myprojects.vectorexample;

import java.awt.*;
import java.awt.event.*;
import java.util.Vector;

public class VectorExample extends Frame {
	
	public VectorExample() {
		addWindowListener(new WindowAdapter() {
			public void windowClosing(WindowEvent e) {
				dispose();
				System.exit(0);
			}
		});
	}

	public static void main(String args[]) {
		System.out.println("Starting VectorExample...");
		VectorExample mainFrame = new VectorExample();
		mainFrame.setSize(400, 400);
		mainFrame.setTitle("VectorExample");
		mainFrame.setVisible(true);
		// Create a vehicle of weight 20KG and length 1.5M
		Vehicle v1= new Vehicle("Peugot",20.0, 1.5);
		// Create a vehicle of weight 1000.0KG and length 3.2M
		Vehicle v2 = new Vehicle("Ford", 1000.0, 3.2);
		// Create a vehicle of 30000kg and 6 metres length
		Vehicle v3 = new Vehicle("Chieftan",30000.0,6.0);
		
		
		// Declare a Vector (v)
		Vector v = new Vector();
		// Add three vehicles
		v.addElement(v1);
		v.addElement(v2);
		v.addElement(v3);
		
		System.out.println("The number of vehicles is "+v.size());
		
		// The number of vehicles in the vector can be found by using the
		// size() method.
		for(int i=0; i<v.size(); i++) {
			// Declare a vehicle reference 'veh'
			Vehicle veh;
			// retrieve the element and 'cast' it using (Vehicle)
			veh = (Vehicle)v.elementAt(i);
			System.out.println("Vector entry "+i);
			// Invoke the method to  display the vehicle data
			veh.displayData();
			
		}
		
		
		// Remove the first entry and print out the list again
		v.removeElementAt(0);
		for(int i=0; i<v.size(); i++) {
			// Declare a vehicle reference 'veh'
			Vehicle veh;
			// retrieve the element and 'cast' it using (Vehicle)
			veh = (Vehicle)v.elementAt(i);
			System.out.println("Vector entry "+i);
			// Invoke the method to  display the vehicle data
			veh.displayData();
			
		}
	}
}