import java.io$.$BufferedReader;

import java.io$.$FileReader;

import java.io$.$IOException;

import java.util.HashMap;

import java.util.HashSet;

import java.util.Iterator;

import java.util.Map;

import java.util.Set;

import java.util.Objects;

class Zip implements Cloneable $\{$

private String zipCode;

private String primaryCity;

private String state;

public Zip$($String zipCode, String primaryCity, String state$)\{$

this.zipCode $=$ zipCode;

this.primaryCity $=$ primaryCity;

this.state $=$ state;

$\}$

public Zip$($String dataLine$)\{$

String$[]$ parts $=$ dataLine.split$("")$;

if $($parts$.$length $>=7)\{$

this.zipCode $=$ parts$[0]$;

this.primaryCity $=$ parts$[3]$;

this.state $=$ parts$[6]$;

$\}$ else $\{$

throw new IllegalArgumentException$("$Invalid data format: $"+$ dataLine$)$;

$\}$

$\}$

@Override

public String toString$()\{$

return zipCode $+""+$ primaryCity $+""+$ state;

$\}$

@Override

public boolean equals$($Object o$)\{$

if $($this $==$ o$)$ return true;

if $($o $==$ null $||$ getClass$()!=$ o$.$getClass$())$ return false;

Zip zip $=($Zip$)$ o;

return zipCode.equals$($zip$.$zipCode$)$ && state.equals$($zip$.$state$)$;

$\}$

@Override

public int hashCode$()\{$

return Objects.hash$($zipCode$,$ state$)$;

$\}$

@Override

public Object clone$()$ throws CloneNotSupportedException $\{$

return super.clone$()$;

$\}$

public String getPrimaryCity$()\{$

return primaryCity;

$\}$

public String getState$()\{$

return state;

$\}$

$\}$

class ZipCodes implements Iterable $\{$

private Map zipMap;

private Set uniqueCities;

private Set uniqueStates;

public ZipCodes$()\{$

this.zipMap $=$ new HashMap$<>()$;

this.uniqueCities $=$ new HashSet$<>()$;

this.uniqueStates $=$ new HashSet$<>()$;

$\}$

public void addZip$($Zip zip$)\{$

zipMap.put$($zip$.$getZipCode$(),$ zip$)$;

uniqueCities.add$($zip$.$getPrimaryCity$())$;

uniqueStates.add$($zip$.$getState$())$;

$\}$

public Zip getZipByCode$($String zipCode$)\{$

return zipMap.get$($zipCode$)$;

$\}$

public void populateFromFile$($String filePath$)$ throws IOException $\{$

try $($BufferedReader br $=$ new BufferedReader$($new FileReader$($filePath$)))\{$

String line;

while $(($line $=$ br$.$readLine$())!=$ null$)\{$

if $(!$line.trim$().$isEmpty$())\{$

Zip zip $=$ new Zip$($line$)$;

addZip$($zip$)$;

$\}$

$\}$

$\}$

$\}$

@Override

public Iterator iterator$()\{$

return zipMap.values$().$iterator$()$;

$\}$

$\}$ Exception in thread "main" java.lang.ArrayIndexOutOfBoundsException: Index $3$ out of bounds for length $2$

at Zip.$($Zip$.$java:$16)$

at ZipCodeTest.main$($ZipCodeTest$.$java:$7)$