The document contains Java code that defines two classes: 'team' and 'game', with attributes and methods for managing team and game data. It includes constructors, getters, validation methods for email and game date, and testing functionality to ensure equality and validity. Additionally, it reads input from a file to create team and game objects and validate their attributes.

1. public class Team {
//Attributes
private String teamId;
private String name;
private String firstName;
private String lastName;
private String phone;
private String email;
/**
* Constructor
* param teamId
* param name
* param firstName
* param lastName
* param phone
* param email
*/
public Team(String teamId, String name, String firstName, String lastName, String phone,
String email) {
this.teamId = teamId;
this.name = name;
this.firstName = firstName;
this.lastName = lastName;
this.phone = phone;
this.email = email;
}
/**
* return the teamId
*/
public String getTeamId() {
return teamId;
}
/**
* return the name
*/

2. public String getName() {
return name;
}
/**
* return the firstName
*/
public String getFirstName() {
return firstName;
}
/**
* return the lastName
*/
public String getLastName() {
return lastName;
}
/**
* return the phone
*/
public String getPhone() {
return phone;
}
/**
* return the email
*/
public String getEmail() {
return email;
}
Override
public String toString() {
return "Team {teamId=" + teamId + ", name=" + name + ", firstName=" + firstName + ",
lastName=" + lastName
+ ", phone=" + phone + ", email=" + email + "}";
}
Override
public boolean equals(Object obj) {

3. if(obj == null)
return false;
else {
if(!(obj instanceof Team))
return false;
else {
Team other = (Team)obj;
if(this.teamId.equalsIgnoreCase(other.teamId) &&
this.name.equalsIgnoreCase(other.name) &&
this.firstName.equalsIgnoreCase(other.firstName) &&
this.lastName.equalsIgnoreCase(other.lastName) &&
this.phone.equalsIgnoreCase(other.phone) &&
this.email.equalsIgnoreCase(other.email))
return true;
else
return false;
}
}
}
/**
* Checks if the email id contains "(at sign)".
* Is yes returns true else returns false
*/
public boolean isValidEmail() {
return this.email.contains("(at sign)");
}
}
public class Game {
//Attributes
private String gameID;
private String homeTeamId;
private String guestTeamId;
private String gameDate;
private int homeTeamScore;

4. private int guestTeamScore;
/**
* Constructor
* param gameID
* param homeTeamId
* param guestTeamId
* param gameDate
* param homeTeamScore
* param guestTeamScore
*/
public Game(String gameID, String homeTeamId, String guestTeamId, String gameDate, int
homeTeamScore,
int guestTeamScore) {
this.gameID = gameID;
this.homeTeamId = homeTeamId;
this.guestTeamId = guestTeamId;
this.gameDate = gameDate;
this.homeTeamScore = homeTeamScore;
this.guestTeamScore = guestTeamScore;
}
/**
* return the gameID
*/
public String getGameID() {
return gameID;
}
/**
* return the homeTeamId
*/
public String getHomeTeamId() {
return homeTeamId;
}
/**
* return the guestTeamId
*/

5. public String getGuestTeamId() {
return guestTeamId;
}
/**
* return the gameDate
*/
public String getGameDate() {
return gameDate;
}
/**
* return the homeTeamScore
*/
public int getHomeTeamScore() {
return homeTeamScore;
}
/**
* return the guestTeamScore
*/
public int getGuestTeamScore() {
return guestTeamScore;
}
Override
public String toString() {
return "Game {gameID=" + gameID + ", homeTeamId=" + homeTeamId + ",
guestTeamId=" + guestTeamId + ", gameDate="
+ gameDate + ", homeTeamScore=" + homeTeamScore + ", guestTeamScore=" +
guestTeamScore + "}";
}
Override
public boolean equals(Object obj) {
if(obj == null)
return false;
else {
if(!(obj instanceof Game))
return false;
else {

6. Game other = (Game)obj;
if(this.gameID.equalsIgnoreCase(other.gameID) &&
this.homeTeamId.equalsIgnoreCase(other.homeTeamId) &&
this.guestTeamId.equalsIgnoreCase(other.guestTeamId) &&
this.gameDate.equalsIgnoreCase(other.gameDate) &&
(this.homeTeamScore == other.homeTeamScore) &&
(this.guestTeamScore == other.guestTeamScore))
return true;
else
return false;
}
}
}
/**
* Checks if the game date is between 20160101 and 20160531
* If yes return true or return false
*/
public boolean isValidDate() {
int date = Integer.parseInt(gameDate);
return ((20160101 <= date) && (date <= 20160531));
}
}
import java.io.File;
import java.io.FileNotFoundException;
import java.util.Scanner;
public class Test {
/**
* Creates a Team object with the parameter passed and returns it
* param teamId
* param name
* param firstName
* param lastName
* param phone

7. * param email
* return
*/
public static Team setTeamAttribute(String teamId, String name, String firstName, String
lastName, String phone, String email) {
return new Team(teamId, name, firstName, lastName, phone, email);
}
/**
* Creates a Game object with the parameter passed and returns it
* param gameID
* param homeTeamId
* param guestTeamId
* param gameDate
* param homeTeamScore
* param guestTeamScore
* return
*/
public static Game setGameAttribute(String gameID, String homeTeamId, String guestTeamId,
String gameDate, int homeTeamScore,
int guestTeamScore) {
return new Game(gameID, homeTeamId, guestTeamId, gameDate, homeTeamScore,
guestTeamScore);
}
public static void main(String[] args) {
//Input file
final String INPUT_FILENAME = "input/hw1input.txt";
//Test 1a
System.out.println("RUNNING TEST 1a");
Team team1 = new Team("1", "Team1", "Ann", "Matt", "123456", "abcxyz.com");
System.out.println(team1);
//Test 1b
System.out.println();

8. System.out.println("RUNNING TEST 1b");
Game game1 = new Game("101", "Home Team", "Guest Team", "20160303", 12, 18);
System.out.println(game1);
//Open input file
Scanner input = null;
Team team2 = null;
Game game2 = null;
try {
input = new Scanner(new File(INPUT_FILENAME));
//Read first line
String[] inputDtls = input.nextLine().split(",");
//Test 2a
if(inputDtls[0].equalsIgnoreCase("TEAM")) {
System.out.println();
System.out.println("RUNNING TEST 2a");
team2 = setTeamAttribute(inputDtls[1], inputDtls[2], inputDtls[3], inputDtls[4], inputDtls[5],
inputDtls[6]);
if(!team2.isValidEmail())
System.err.println("ERROR: Invalid email address. Is missing (at sign): " +
team2.getEmail());
//Display team1 attributes
System.out.println(team2.getTeamId());
System.out.println(team2.getName());
System.out.println(team2.getFirstName());
System.out.println(team2.getLastName());
System.out.println(team2.getPhone());
System.out.println(team2.getEmail());
}
//Read second line
inputDtls = input.nextLine().split(",");
//Test 2b

9. if(inputDtls[0].equalsIgnoreCase("GAME")) {
System.out.println();
System.out.println("RUNNING TEST 2b");
game2 = setGameAttribute(inputDtls[1], inputDtls[2], inputDtls[3], inputDtls[4],
Integer.parseInt(inputDtls[5]), Integer.parseInt(inputDtls[6]));
if(!game2.isValidDate())
System.err.println("ERROR: Invalid game date: " + game2.getGameDate());
//Display team attributes
System.out.println(game2.getGameID());
System.out.println(game2.getHomeTeamId());
System.out.println(game2.getGuestTeamId());
System.out.println(game2.getGameDate());
System.out.println(game2.getHomeTeamScore());
System.out.println(game2.getGuestTeamScore());
}
} catch(FileNotFoundException fnfe) {
System.err.println("Data file not found");
} finally {
//Close file
if(input != null)
input.close();
}
//Test 3a
System.out.println();
System.out.println("RUNNING TEST 3a");
System.out.println("TEAM 1 : " + team1);
System.out.println("TEAM 2 : " + team2);
if(team1.equals(team2))
System.out.println("The two teams are same");
else
System.out.println("The two teams not are same");

10. //Test 3b
System.out.println();
System.out.println("RUNNING TEST 3b");
System.out.println("GAME 1 : " + game1);
System.out.println("GAME 2 : " + game2);
if(game1.equals(game2))
System.out.println("The two games are same");
else
System.out.println("The two games not are same");
}
}
SAMPLE OUTPUT:
RUNNING TEST 1a
Team {teamId=1, name=Team1, firstName=Ann, lastName=Matt, phone=123456,
email=abcxyz.com}
RUNNING TEST 1b
Game {gameID=101, homeTeamId=Home Team, guestTeamId=Guest Team,
gameDate=20160303, homeTeamScore=12, guestTeamScore=18}
RUNNING TEST 2a
ERROR: Invalid email address. Is missing (at sign): roadrunner#gmail.com
1
Road Runner
David
Brown
303-123-4567
roadrunner#gmail.com
RUNNING TEST 2b
ERROR: Invalid game date: 20150105
101
1
2
20150105
4
3
RUNNING TEST 3a
TEAM 1 : Team {teamId=1, name=Team1, firstName=Ann, lastName=Matt, phone=123456,

11. email=abcxyz.com}
TEAM 2 : Team {teamId=1, name=Road Runner, firstName=David, lastName=Brown,
phone=303-123-4567, email=roadrunner#gmail.com}
The two teams not are same
RUNNING TEST 3b
GAME 1 : Game {gameID=101, homeTeamId=Home Team, guestTeamId=Guest Team,
gameDate=20160303, homeTeamScore=12, guestTeamScore=18}
GAME 2 : Game {gameID=101, homeTeamId=1, guestTeamId=2, gameDate=20150105,
homeTeamScore=4, guestTeamScore=3}
The two games not are same
Solution
public class Team {
//Attributes
private String teamId;
private String name;
private String firstName;
private String lastName;
private String phone;
private String email;
/**
* Constructor
* param teamId
* param name
* param firstName
* param lastName
* param phone
* param email
*/
public Team(String teamId, String name, String firstName, String lastName, String phone,
String email) {
this.teamId = teamId;
this.name = name;
this.firstName = firstName;
this.lastName = lastName;

12. this.phone = phone;
this.email = email;
}
/**
* return the teamId
*/
public String getTeamId() {
return teamId;
}
/**
* return the name
*/
public String getName() {
return name;
}
/**
* return the firstName
*/
public String getFirstName() {
return firstName;
}
/**
* return the lastName
*/
public String getLastName() {
return lastName;
}
/**
* return the phone
*/
public String getPhone() {
return phone;
}
/**
* return the email
*/

13. public String getEmail() {
return email;
}
Override
public String toString() {
return "Team {teamId=" + teamId + ", name=" + name + ", firstName=" + firstName + ",
lastName=" + lastName
+ ", phone=" + phone + ", email=" + email + "}";
}
Override
public boolean equals(Object obj) {
if(obj == null)
return false;
else {
if(!(obj instanceof Team))
return false;
else {
Team other = (Team)obj;
if(this.teamId.equalsIgnoreCase(other.teamId) &&
this.name.equalsIgnoreCase(other.name) &&
this.firstName.equalsIgnoreCase(other.firstName) &&
this.lastName.equalsIgnoreCase(other.lastName) &&
this.phone.equalsIgnoreCase(other.phone) &&
this.email.equalsIgnoreCase(other.email))
return true;
else
return false;
}
}
}
/**
* Checks if the email id contains "(at sign)".
* Is yes returns true else returns false

14. */
public boolean isValidEmail() {
return this.email.contains("(at sign)");
}
}
public class Game {
//Attributes
private String gameID;
private String homeTeamId;
private String guestTeamId;
private String gameDate;
private int homeTeamScore;
private int guestTeamScore;
/**
* Constructor
* param gameID
* param homeTeamId
* param guestTeamId
* param gameDate
* param homeTeamScore
* param guestTeamScore
*/
public Game(String gameID, String homeTeamId, String guestTeamId, String gameDate, int
homeTeamScore,
int guestTeamScore) {
this.gameID = gameID;
this.homeTeamId = homeTeamId;
this.guestTeamId = guestTeamId;
this.gameDate = gameDate;
this.homeTeamScore = homeTeamScore;
this.guestTeamScore = guestTeamScore;
}
/**
* return the gameID
*/

15. public String getGameID() {
return gameID;
}
/**
* return the homeTeamId
*/
public String getHomeTeamId() {
return homeTeamId;
}
/**
* return the guestTeamId
*/
public String getGuestTeamId() {
return guestTeamId;
}
/**
* return the gameDate
*/
public String getGameDate() {
return gameDate;
}
/**
* return the homeTeamScore
*/
public int getHomeTeamScore() {
return homeTeamScore;
}
/**
* return the guestTeamScore
*/
public int getGuestTeamScore() {
return guestTeamScore;
}
Override
public String toString() {
return "Game {gameID=" + gameID + ", homeTeamId=" + homeTeamId + ",

16. guestTeamId=" + guestTeamId + ", gameDate="
+ gameDate + ", homeTeamScore=" + homeTeamScore + ", guestTeamScore=" +
guestTeamScore + "}";
}
Override
public boolean equals(Object obj) {
if(obj == null)
return false;
else {
if(!(obj instanceof Game))
return false;
else {
Game other = (Game)obj;
if(this.gameID.equalsIgnoreCase(other.gameID) &&
this.homeTeamId.equalsIgnoreCase(other.homeTeamId) &&
this.guestTeamId.equalsIgnoreCase(other.guestTeamId) &&
this.gameDate.equalsIgnoreCase(other.gameDate) &&
(this.homeTeamScore == other.homeTeamScore) &&
(this.guestTeamScore == other.guestTeamScore))
return true;
else
return false;
}
}
}
/**
* Checks if the game date is between 20160101 and 20160531
* If yes return true or return false
*/
public boolean isValidDate() {
int date = Integer.parseInt(gameDate);
return ((20160101 <= date) && (date <= 20160531));
}

17. }
import java.io.File;
import java.io.FileNotFoundException;
import java.util.Scanner;
public class Test {
/**
* Creates a Team object with the parameter passed and returns it
* param teamId
* param name
* param firstName
* param lastName
* param phone
* param email
* return
*/
public static Team setTeamAttribute(String teamId, String name, String firstName, String
lastName, String phone, String email) {
return new Team(teamId, name, firstName, lastName, phone, email);
}
/**
* Creates a Game object with the parameter passed and returns it
* param gameID
* param homeTeamId
* param guestTeamId
* param gameDate
* param homeTeamScore
* param guestTeamScore
* return
*/
public static Game setGameAttribute(String gameID, String homeTeamId, String guestTeamId,
String gameDate, int homeTeamScore,
int guestTeamScore) {
return new Game(gameID, homeTeamId, guestTeamId, gameDate, homeTeamScore,
guestTeamScore);
}

18. public static void main(String[] args) {
//Input file
final String INPUT_FILENAME = "input/hw1input.txt";
//Test 1a
System.out.println("RUNNING TEST 1a");
Team team1 = new Team("1", "Team1", "Ann", "Matt", "123456", "abcxyz.com");
System.out.println(team1);
//Test 1b
System.out.println();
System.out.println("RUNNING TEST 1b");
Game game1 = new Game("101", "Home Team", "Guest Team", "20160303", 12, 18);
System.out.println(game1);
//Open input file
Scanner input = null;
Team team2 = null;
Game game2 = null;
try {
input = new Scanner(new File(INPUT_FILENAME));
//Read first line
String[] inputDtls = input.nextLine().split(",");
//Test 2a
if(inputDtls[0].equalsIgnoreCase("TEAM")) {
System.out.println();
System.out.println("RUNNING TEST 2a");
team2 = setTeamAttribute(inputDtls[1], inputDtls[2], inputDtls[3], inputDtls[4], inputDtls[5],
inputDtls[6]);
if(!team2.isValidEmail())
System.err.println("ERROR: Invalid email address. Is missing (at sign): " +
team2.getEmail());

19. //Display team1 attributes
System.out.println(team2.getTeamId());
System.out.println(team2.getName());
System.out.println(team2.getFirstName());
System.out.println(team2.getLastName());
System.out.println(team2.getPhone());
System.out.println(team2.getEmail());
}
//Read second line
inputDtls = input.nextLine().split(",");
//Test 2b
if(inputDtls[0].equalsIgnoreCase("GAME")) {
System.out.println();
System.out.println("RUNNING TEST 2b");
game2 = setGameAttribute(inputDtls[1], inputDtls[2], inputDtls[3], inputDtls[4],
Integer.parseInt(inputDtls[5]), Integer.parseInt(inputDtls[6]));
if(!game2.isValidDate())
System.err.println("ERROR: Invalid game date: " + game2.getGameDate());
//Display team attributes
System.out.println(game2.getGameID());
System.out.println(game2.getHomeTeamId());
System.out.println(game2.getGuestTeamId());
System.out.println(game2.getGameDate());
System.out.println(game2.getHomeTeamScore());
System.out.println(game2.getGuestTeamScore());
}
} catch(FileNotFoundException fnfe) {
System.err.println("Data file not found");
} finally {
//Close file
if(input != null)
input.close();

20. }
//Test 3a
System.out.println();
System.out.println("RUNNING TEST 3a");
System.out.println("TEAM 1 : " + team1);
System.out.println("TEAM 2 : " + team2);
if(team1.equals(team2))
System.out.println("The two teams are same");
else
System.out.println("The two teams not are same");
//Test 3b
System.out.println();
System.out.println("RUNNING TEST 3b");
System.out.println("GAME 1 : " + game1);
System.out.println("GAME 2 : " + game2);
if(game1.equals(game2))
System.out.println("The two games are same");
else
System.out.println("The two games not are same");
}
}
SAMPLE OUTPUT:
RUNNING TEST 1a
Team {teamId=1, name=Team1, firstName=Ann, lastName=Matt, phone=123456,
email=abcxyz.com}
RUNNING TEST 1b
Game {gameID=101, homeTeamId=Home Team, guestTeamId=Guest Team,
gameDate=20160303, homeTeamScore=12, guestTeamScore=18}
RUNNING TEST 2a
ERROR: Invalid email address. Is missing (at sign): roadrunner#gmail.com
1
Road Runner
David
Brown

21. 303-123-4567
roadrunner#gmail.com
RUNNING TEST 2b
ERROR: Invalid game date: 20150105
101
1
2
20150105
4
3
RUNNING TEST 3a
TEAM 1 : Team {teamId=1, name=Team1, firstName=Ann, lastName=Matt, phone=123456,
email=abcxyz.com}
TEAM 2 : Team {teamId=1, name=Road Runner, firstName=David, lastName=Brown,
phone=303-123-4567, email=roadrunner#gmail.com}
The two teams not are same
RUNNING TEST 3b
GAME 1 : Game {gameID=101, homeTeamId=Home Team, guestTeamId=Guest Team,
gameDate=20160303, homeTeamScore=12, guestTeamScore=18}
GAME 2 : Game {gameID=101, homeTeamId=1, guestTeamId=2, gameDate=20150105,
homeTeamScore=4, guestTeamScore=3}
The two games not are same