package ConcertTicket;

import java.util.Arrays;

$/**$

$*$ This class iallet which can store any number of concert tickets.

$*$

$*$ @version Fall $2019$

$*/$

public class Wallet $\{$

$/**$

$*$ Array of ConcertTicket objects

$*/$

protected ConcertTicket$[]$ tickets $=$ new ConcertTicket$[10]$;

private int size $=0$;

$/**$

$*$ Add a concert ticket into the array

$*$

$*$ @param ct a concert ticket being added to the wallet

$*/$

public void add$($ConcertTicket ct$)\{$

if $($this$.$size $==$ this.tickets.length$)\{$

this.resize$()$;

$\}$

this.tickets$[$this$.$size$]=$ ct;

this.size$++$;

$\}$

$/**$

$*$ Resizes the wallet so that you can fit more tickets.

$*$

$*/$

public void resize$()\{$

this.tickets $=$ Arrays.copyOf$($this$.$tickets, $2*$ this.tickets.length$)$;

$\}$

$/**$

$*$ Converts the wallet into a string representation for easy reading.

$*$

$*$ @return a string representation of the wallet

$*/$

@Override

public String toString$()\{$

return Arrays.toString$($Arrays$.$copyOf$($this$.$tickets, size$))$;

$\}$

$/**$

$*$ Returns how many tickets are in the wallet.

$*$

$*$ @return the size of the wallet

$*/$

public int getSize$()\{$

$//$ TODO: Implement $`$getSize$()`$

return this.size;

$\}$

$/**$

$*$ Returns the size of the wallet.

$*$

$*$ @return the size of the wallet

$*/$

public int getLength$()\{$

$//$ TODO: Implement $`$getLength$()`$

return $0$;

$\}$

$/**$

$*$ Removes the most recently added concert ticket from the wallet

$*$

$*$ @return the concert ticket removed from the wallet

$*/$

public ConcertTicket remove$()\{$

$//$ TODO: Create a ConcertTicket reference variable $($DO NOT create a

$//$ new ConcertTicket $$ JUST create the reference variable$)$

new ConcertTicket$()$;

if $($this$.$size $>0)\{$

$//$ TODO: Use the size variable

$//($which always points at the next empty

$//$ slot$)$ to get the last added ConcertTicket from the array:

$//$ TODO: Set that array slot to null:

$//$ TODO: Decrement the size variable:

$\}$

$//$ TODO: Return the ConcertTicket:

return null;

$\}$

$\}$