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Commit d16f5a7

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Add kata nba ranking
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‎README.md‎

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| kyu | Codewars Kate | My Solutions |
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| --- | --- | --- |
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| 3 | [Prime Streaming (PG-13)](https://www.codewars.com/kata/5519a584a73e70fa570005f5) | [Pg13PrimeStreaming.java](https://github.com/adrianblade/codewars_java_solution/blob/master/src/main/java/kyu3/prime_streaming_pg_13/Pg13PrimeStreaming.java) |
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| 6 | [Ranking NBA teams](https://www.codewars.com/kata/5a420163b6cfd7cde5000077) | [RankingNbaTeams.java](https://github.com/adrianblade/codewars_java_solution/blob/master/src/main/java/kyu6/nba_teams/RankingNbaTeams.java) |
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| 8 | [Multiply](https://www.codewars.com/kata/50654ddff44f800200000004) | [Multiply.java](https://github.com/adrianblade/codewars_java_solution/blob/master/src/main/java/kyu8/multiply/Multiply.java) |
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package kyu6.nba_teams;
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import java.util.Arrays;
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import java.util.List;
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import java.util.stream.Collectors;
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public class RankingNbaTeams {
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private static final String teams = "Los Angeles Clippers,Dallas Mavericks,New York Knicks,Atlanta Hawks,Indiana Pacers,Memphis Grizzlies,"
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+ "Los Angeles Lakers,Minnesota Timberwolves,Phoenix Suns,Portland Trail Blazers,New Orleans Pelicans,"
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+ "Sacramento Kings,Los Angeles Clippers,Houston Rockets,Denver Nuggets,Cleveland Cavaliers,Milwaukee Bucks,"
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+ "Oklahoma City Thunder,San Antonio Spurs,Boston Celtics,Philadelphia 76ers,Brooklyn Nets,Chicago Bulls,"
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+ "Detroit Pistons,Utah Jazz,Miami Heat,Charlotte Hornets,Toronto Raptors,Orlando Magic,Washington Wizards,"
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+ "Golden State Warriors,Dallas Mavericks";
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private static final String COMMA = ",";
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private static final int THREE = 3;
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private static final String SPACE = " ";
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static String nbaCup(String resultSheet, String toFind) {
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if (resultSheet == null || resultSheet.isEmpty() || toFind == null || toFind.isEmpty()) return "";
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String[] matches = resultSheet.split(COMMA);
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List<String> matchesOfUniqueTeam = Arrays.stream(matches)
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.filter(match -> match.contains(toFind))
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.collect(Collectors.toList());
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return sumStats(matchesOfUniqueTeam, toFind);
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}
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private static Result getResult(String line) {
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String localTeam = null;
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int localResultTeam = 0;
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String visitorTeam = null;
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int visitorResultTeam = 0;
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final String[] teams = RankingNbaTeams.teams.split(COMMA);
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for (String team : teams) {
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if (line.contains(team)) {
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if (localTeam == null) {
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localTeam = team;
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String number = line.substring(line.indexOf(localTeam) + localTeam.length() + 1).split(SPACE)[0];
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localResultTeam = toNumeric(number);
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} else if (!team.equals(localTeam)) {
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visitorTeam = team;
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String number = line.substring(line.indexOf(visitorTeam) + visitorTeam.length() + 1).split(SPACE)[0];
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visitorResultTeam = toNumeric(number);
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break;
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}
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}
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}
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return new Result(localTeam, localResultTeam, visitorTeam, visitorResultTeam);
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}
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private static String sumStats(List<String> matchesOfUniqueTeam, String toFind) {
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int winners = 0;
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int draws = 0;
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int losses = 0;
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int scored = 0;
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int conceded = 0;
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int points;
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final List<String> teamsArray = Arrays.asList(RankingNbaTeams.teams.split(","));
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if (!teamsArray.contains(toFind)) return toFind + ":This team didn't play!";
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for (String match : matchesOfUniqueTeam) {
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if (match.contains(".")) return "Error(float number):" + match;
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final Result result = getResult(match);
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if (result.winLocal() && result.isLocal(toFind)) { // Soy local y gana local
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winners++;
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scored = scored + result.getLocalResultTeam();
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conceded = conceded + result.getVisitorResultTeam();
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} else if (result.winVisitor() && result.isLocal(toFind)) { // Soy local y pierde local
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losses++;
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scored = scored + result.getLocalResultTeam();
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conceded = conceded + result.getVisitorResultTeam();
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} else if (result.winLocal() && result.isVisitor(toFind)) { // Soy visitante y gana visitante
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losses++;
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scored = scored + result.getVisitorResultTeam();
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conceded = conceded + result.getLocalResultTeam();
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} else if (result.winVisitor() && result.isVisitor(toFind)) { // Soy visitante y pierde visitante
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winners++;
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scored = scored + result.getVisitorResultTeam();
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conceded = conceded + result.getLocalResultTeam();
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} else { // EMPATE
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draws++;
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scored = scored + result.getLocalResultTeam();
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conceded = conceded + result.getLocalResultTeam();
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}
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}
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points = winners * THREE + draws;
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//"Team Name:W=nb of wins;D=nb of draws;L=nb of losses;Scored=nb;Conceded=nb;Points=nb"
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return toFind + ":W=" + winners + ";D=" + draws + ";L=" + losses + ";Scored=" + scored + ";Conceded=" + conceded + ";Points=" + points;
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}
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private static int toNumeric(String str) throws NumberFormatException {
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return Integer.parseInt(str);
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}
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private static class Result {
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private String localTeam;
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private int localResultTeam;
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private String visitorTeam;
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private int visitorResultTeam;
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Result(String localTeam, int localResultTeam, String visitorTeam, int visitorResultTeam) {
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this.localTeam = localTeam;
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this.localResultTeam = localResultTeam;
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this.visitorTeam = visitorTeam;
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this.visitorResultTeam = visitorResultTeam;
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}
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boolean isLocal(String team) {
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return localTeam.equals(team);
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}
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boolean isVisitor(String team) {
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return visitorTeam.equals(team);
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}
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boolean winLocal() {
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return localResultTeam > visitorResultTeam;
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}
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boolean winVisitor() {
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return localResultTeam < visitorResultTeam;
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}
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int getLocalResultTeam() {
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return localResultTeam;
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}
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int getVisitorResultTeam() {
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return visitorResultTeam;
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}
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}
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}
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package kyu6.nba_teams;
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import org.junit.Test;
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import static org.junit.Assert.*;
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public class RankingNbaTeamsTest {
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String resultSheet1 = "Los Angeles Clippers 104 Dallas Mavericks 88,New York Knicks 101 Atlanta Hawks 112,Indiana Pacers 103 Memphis Grizzlies 112,"
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+ "Los Angeles Lakers 111 Minnesota Timberwolves 112,Phoenix Suns 95 Dallas Mavericks 111,Portland Trail Blazers 112 New Orleans Pelicans 94,"
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+ "Sacramento Kings 104 Los Angeles Clippers 111,Houston Rockets 85 Denver Nuggets 105,Memphis Grizzlies 76 Cleveland Cavaliers 106,"
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+ "Milwaukee Bucks 97 New York Knicks 122,Oklahoma City Thunder 112 San Antonio Spurs 106,Boston Celtics 112 Philadelphia 76ers 95,"
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+ "Brooklyn Nets 100 Chicago Bulls 115,Detroit Pistons 92 Utah Jazz 87,Miami Heat 104 Charlotte Hornets 94,"
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+ "Toronto Raptors 106 Indiana Pacers 99,Orlando Magic 87 Washington Wizards 88,Golden State Warriors 111 New Orleans Pelicans 95,"
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+ "Atlanta Hawks 94 Detroit Pistons 106,Chicago Bulls 97 Cleveland Cavaliers 95,";
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String resultSheet2 = "San Antonio Spurs 111 Houston Rockets 86,Chicago Bulls 103 Dallas Mavericks 102,Minnesota Timberwolves 112 Milwaukee Bucks 108,"
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+ "New Orleans Pelicans 93 Miami Heat 90,Boston Celtics 81 Philadelphia 76ers 65,Detroit Pistons 115 Atlanta Hawks 87,"
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+ "Toronto Raptors 92 Washington Wizards 82,Orlando Magic 86 Memphis Grizzlies 76,Los Angeles Clippers 115 Portland Trail Blazers 109,"
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+ "Los Angeles Lakers 97 Golden State Warriors 136,Utah Jazz 98 Denver Nuggets 78,Boston Celtics 99 New York Knicks 85,"
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+ "Indiana Pacers 98 Charlotte Hornets 86,Dallas Mavericks 87 Phoenix Suns 99,Atlanta Hawks 81 Memphis Grizzlies 82,"
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+ "Miami Heat 110 Washington Wizards 105,Detroit Pistons 94 Charlotte Hornets 99,Orlando Magic 110 New Orleans Pelicans 107,"
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+ "Los Angeles Clippers 130 Golden State Warriors 95,Utah Jazz 102 Oklahoma City Thunder 113,San Antonio Spurs 84 Phoenix Suns 104,"
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+ "Chicago Bulls 103 Indiana Pacers 94,Milwaukee Bucks 106 Minnesota Timberwolves 88,Los Angeles Lakers 104 Portland Trail Blazers 102,"
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+ "Houston Rockets 120 New Orleans Pelicans 100,Boston Celtics 111 Brooklyn Nets 105,Charlotte Hornets 94 Chicago Bulls 86,Cleveland Cavaliers 103 Dallas Mavericks 97";
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String teams = "Los Angeles Clippers,Dallas Mavericks,New York Knicks,NYK,Atlanta Hawks,Indiana Pacers,Memphis Grizzlies,"
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+ "Los Angeles Lakers,Minnesota Timberwolves,Phoenix Suns,Portland Trail Blazers,New Orleans Pelicans,"
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+ "Sacramento Kings,Los Angeles Clippers,Houston Rockets,Denver Nuggets,Cleveland Cavaliers,Milwaukee Bucks,"
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+ "Oklahoma City Thunder,San Antonio Spurs,Boston Celtics,Philadelphia 76ers,Brooklyn Nets,Chicago Bulls,"
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+ "Detroit Pistons,Utah Jazz,Miami Heat,Charlotte Hornets,Toronto Raptors,Orlando Magic,Washington Wizards,"
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+ "Golden State Warriors,Dallas Maver";
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String resultSheet3 = resultSheet1 + resultSheet2;
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private static void testing(String actual, String expected) {
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assertEquals(expected, actual);
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}
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@Test
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public void test1() {
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System.out.println("Fixed Tests: nbaCup");
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testing(RankingNbaTeams.nbaCup(resultSheet3, "Boston Celtics"),
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"Boston Celtics:W=4;D=0;L=0;Scored=403;Conceded=350;Points=12");
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testing(RankingNbaTeams.nbaCup(resultSheet3, "Boston Celt"),
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"Boston Celt:This team didn't play!");
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}
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}

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