$//$color$.$java

package question$5$;

public enum Color $\{$

Red,

Green,

Blue,

Purple,

Yellow,

Teal,

Aqua

$\}$

$//$ unique tester.java

package question$5$;

import java.util.List;

import java.util.Map;

public class UniqueTester $\{$

record Combo$($String symbol, Color color$)\{$

$\}$

public static Integer countUniqueCombinations$($List$>$ data$)\{$

return null;

$\}$

$\}$

$//$ question$5.$java

package question$5$;

import java.util.ArrayList;

import java.util.HashMap;

import java.util.List;

import java.util.Map;

import org.testng.Assert;

import org.testng.annotations.Test;

$/**$

$*$ You are writing a utility that helps identify unique Groupings

$*$ Groups are combos of Strings $+$ colors

$*$ When given multiple maps of these groupings, count how many total unique combos are found

$*/$

public class Question$5\{$

@Test

public void test$()\{$

List$>$ dataSet $=$ new ArrayList$<>()$;

var map$1=$ new HashMap$()$;

map$1.$put$("$A$",$ Color.Teal$)$;

map$1.$put$("$B$",$ Color.Red$)$;

var map$2=$ new HashMap$()$;

map$2.$put$("$A$",$ Color.Teal$)$;

map$2.$put$("=",$ Color.Blue$)$;

dataSet.add$($map$1)$;

dataSet.add$($map$2)$;

Assert.assertEquals$(($int$)$UniqueTester$.$countUniqueCombinations$($dataSet$),3)$;

$\}$

@Test

public void test$2()\{$

List$>$ dataSet $=$ new ArrayList$<>()$;

var map$1=$ new HashMap$()$;

map$1.$put$("$A$",$ Color.Blue$)$;

map$1.$put$("$B$",$ Color.Green$)$;

var map$2=$ new HashMap$()$;

map$2.$put$("$A$",$ Color.Red$)$; $//$ just for test, A can't be an

map$2.$put$("$C$",$ Color.Yellow$)$;

dataSet.add$($map$1)$;

dataSet.add$($map$2)$;

Assert.assertEquals$(($int$)$UniqueTester$.$countUniqueCombinations$($dataSet$),4)$;

$\}$

@Test

public void test$3()\{$

List$>$ dataSet $=$ new ArrayList$<>()$;

var map$1=$ new HashMap$()$;

map$1.$put$("$A$",$ Color.Blue$)$;

map$1.$put$("$B$",$ Color.Green$)$;

var map$2=$ new HashMap$()$;

map$2.$put$("$C$",$ Color.Red$)$; $//$ just for test, A can't be an

map$2.$put$("$D$",$ Color.Yellow$)$;

var map$3=$ new HashMap$()$;

map$3.$put$("$E$",$ Color.Teal$)$; $//$ just for test, A can't be an

map$3.$put$("$A$",$ Color.Green$)$;

dataSet.add$($map$1)$;

dataSet.add$($map$2)$;

dataSet.add$($map$3)$;

Assert.assertEquals$(($int$)$UniqueTester$.$countUniqueCombinations$($dataSet$),6)$;

$\}$

$\}$