public class Fundraiser $\{$

private String name;

private AuctionItem$[]$ items;

public Fundraiser$()\{$

this.name $=$ "Default Fundraiser";

this.items $=$ new AuctionItem$[0]$;

$\}$

public Fundraiser$($String name, AuctionItem$[]$ items$)\{$

this.name $=$ name;

this.items $=$ items.clone$()$;

$\}$

public String getName$()\{$

return name;

$\}$

public AuctionItem$[]$ getItems$()\{$

return items;

$\}$

public String toString$()\{$

if $($items $==$ null $||$ items.length $==0)\{$

return "Fundraiser without any items";

$\}$

String s $=$ name $+"$

auction items:

$"$;

for $($int i $=0$; i $<$ items.length; i$++)\{$

s $+=$ items$[$i$].$toString$()$;

$\}$

return s;

$\}$

$/*$

$*$ Purpose: get the money raised, which will be the

$*$ sum of all auction items that are sold

$*$ Parameters: none

$*$ Returns: int $-$ the total money this fundraiser raises

$*/$

public int moneyRaised$()\{$

int totalMoney $=0$;

if $($items $!=$ null$)\{$

for $($AuctionItem item : items$)\{$

if $($item $!=$ null$)\{$

totalMoney $+=$ item.getPrice$()$;

$\}$

$\}$

$\}$

return totalMoney;

$\}$

$\}$

$/*$

$*$ Purpose: get the total money spent at this fundraiser

$*$ by those with the given name

$*$ Parameters: String name $-$ the name to search for

$*$ Returns: int $-$ the total money spent by name

$*/$

public int moneySpent$($String name$)\{$

int totalMoneySpent $=0$;

if $($items $!=$ null && name $!=$ null$)\{$

for $($AuctionItem item : items$)\{$

if $($item $!=$ null && name.equalsIgnoreCase$($item$.$getBidderName$()))\{$

totalMoneySpent $+=$ item.getHighestBid$()$;

$\}$

$\}$

$\}$

return totalMoneySpent;

$\}$

$/*$

$*$ Purpose: get the most expensive auction item at this fundraiser

$*$ Parameters: none

$*$ Returns: AuctionItem $-$ the most expensive item

$*$ Preconditions: items is not null, and items.length $>0$

$*/$

public AuctionItem mostExpensive$()\{$

if $($items $==$ null $||$ items.length $==0)\{$

return null;

$\}$

AuctionItem mostExpensive $=$ null;

for $($AuctionItem item : items$)\{$

if $($item $!=$ null$)\{$

if $($mostExpensive $==$ null $||$ item.getHighestBid$()>$ mostExpensive.getHighestBid$())\{$

mostExpensive $=$ item;

$\}$

$\}$

return mostExpensive;

$\}$

$/*$

$*$ Purpose: adds the new item to the items sold at this fundraiser

$*$ Parameters: AuctionItem newItem $-$ the item to add to the fundraiser

$*$ Returns: void $-$ nothing

$*/$

public void addToFundraiser$($AuctionItem newItem$)\{$

$//$ TODO: implement this

if $($items $==$ null$)\{$

items $=$ new AuctionItem$[1]$;

items$[0]=$ newItem;

$\}$ else $\{$

AuctionItem$[]$ newArray $=$ new AuctionItem$[$items$.$length $+1]$;

for $($int i $=0$; i $<$ items.length; i$++)\{$

newArray$[$i$]=$ items$[$i$]$;

$\}$

newArray$[$items$.$length$]=$ newItem;

items $=$ newArray;

$\}$

$\}$import java.util.Arrays;

public class A$2$Tester $\{$

private static int testPassCount $=0$;

private static int testCount $=0$;

private static double THRESHOLD $=0\mathrm{.}1$; $//$ allowable margin of error for floating point results

public static void main$($String$[]$ args$)\{$

$/*$ Tests for methods inside Fundraiser.java $*/$

testConstructor$()$;

$//$ testMoneyRaised$()$;

$//$ testMoneySpent$()$;

$//$ testMostExpensive$()$;

$//$ testAddToFundraiser$()$;

$/*$ Tests for methods inside A$2$Exercises.java $*/$

$//$ testTotalMoneyRaised$()$;

$//$ testTotalSpent$()$;

$//$ testMostExpensiveItems$()$;

$//$ testAverageOfMostExpensive$()$;

System.out.println$()$;

System.out.println$("$PASSED $"+$testPassCount$+"/"+$testCount$+"$ TESTS"$)$;

$\}$

public static void testConstructor$()\{$

System.out.println$("$

Testing Fundraiser Constructor"$)$;

String nameResult;

AuctionItem$[]$ itemsResult;

$//$ Testing default constructor

$//($the constructor with $0$ arguments$)$

Fundraiser f$0=$ new Fundraiser$()$;

nameResult $=$ f$0.$getName$()$;

displayResults$($nameResult$==$null, "empty constructor name"$)$;

itemsResult $=$ f$0.$getItems$()$;

displayResults$($itemsResult$==$null, "empty constructor items"$)$;

$//$ Setting up AuctionItems for Fundraiser objects

AuctionItem a$1=$ new AuctionItem$("$colorful seashell", $4,$ "Sam"$)$;

AuctionItem a$2=$ new AuctionItem$("$autographed photo", $35,$ "Ali"$)$;

AuctionItem a$3=$ new AuctionItem$("$event ticket", $220,$ "Ali"$)$;

AuctionItem$[]$ arr$1=\{$a$1\}$;

AuctionItem$[]$ arr$2=\{$a$1,$ a$2,$ a$3\}$;

$//$ Testing second constructor with f$1$ and f$2$

Fundraiser f$1=$ new Fundraiser$("$Family Fundraiser", arr$1)$;

Fundraiser f$2=$ new Fundraiser$("$Community Fundraiser", arr$2)$;

String expectedName;

AuctionItem$[]$ expectedItems;

nameResult $=$ f$1.$getName$()$;

itemsResult $=$ f$1.$getItems$()$;

expectedName $=$ new String$("$Family Fundraiser"$)$;

expectedItems $=$ arr$1$;

displayResults$($expectedName$.$equals$($nameResult$),"$f$1$ constructor name"$)$;

displayResults$($Arrays$.$equals$($itemsResult$,$expectedItems$),"$f$1$ constructor items"$)$;

nameResult $=$ f$2.$getName$()$;

itemsResult $=$ f$2.$getItems$()$;