// !!! Make no changes to this .java file !!!
import java.io.*;
import java.util.Scanner;
import javax.lang.model.util.ElementScanner6;
public static void main(String[] args) throws IOException {
Roster roster = new Roster();
int menuChoice = 0;
while (menuChoice != 8) {
displayMenu();
menuChoice = getMenuChoice();
if (menuChoice == 1)
roster = openRosterFile();
else if (menuChoice == 2)
listAllPlayers(roster);
else if (menuChoice == 3)
listTopAttackers(roster);
else if (menuChoice == 4)
listTopBlockers(roster);
else if (menuChoice == 5)
addPlayer(roster);
else if (menuChoice == 6)
changePlayerStats(roster);
else if (menuChoice == 7)
countPlayers(roster);
else if (menuChoice == 8)
System.out.println("===== Quitting Program =====");
else
System.out.println(" !!! Invalid Menu Choice !!!");
}
}
static void displayMenu() {
System.out.println("===== Menu =====");
System.out.println("1. Open a roster file");
System.out.println("2. List all players");
System.out.println("3. List top attackers");
System.out.println("4. List top blockers");
System.out.println("5. Add a player");
System.out.println("6. Change a player's stats");
System.out.println("7. Count players");
System.out.println("8. Quit program");
}
static int getMenuChoice() {
System.out.print("Enter your menu Choice --> ");
return scnr.nextInt();
}
static Roster openRosterFile() throws IOException {
System.out.print("Enter roster file name --> ");
String fileName = scnr.next();
return new Roster(fileName);
}
static void listAllPlayers(Roster roster) {
class Assignment08 {
static Scanner scnr = new Scanner(System.in);
System.out.println("===== All Players =====");
roster.printAllPlayers();
}
static void listTopAttackers(Roster roster) {
System.out.println("===== Top Attackers =====");
roster.printTopAttackers();
}
static void listTopBlockers(Roster roster) {
System.out.println("===== Top Blockers =====");
roster.printTopBlockers();
}
static void addPlayer(Roster roster) {
String fullName = getPlayerName();
double attackStat = getAttackStat();
double blockStat = getBlockStat();
roster.addPlayer(fullName, attackStat, blockStat);
}
static void changePlayerStats(Roster roster) {
String fullName = getPlayerName();
Player playerToUpdate = roster.getPlayerByName(fullName);
if (playerToUpdate != null) {
double newAttackStat = getAttackStat();
double newBlockStat = getBlockStat();
playerToUpdate.setAttackStat(newAttackStat);
playerToUpdate.setBlockStat(newBlockStat);
} else {
System.out.printf(" !!! No player with the name %s found !!!\n",
fullName);
}
}
static void countPlayers(Roster roster) {
System.out.printf("There are %d players on this roster.\n",
roster.countPlayers());
}
static String getPlayerName() {
System.out.print("Enter new player first name --> ");
String firstName = scnr.next();
System.out.print("Enter new player last name --> ");
String lastName = scnr.next();
return firstName + " " + lastName;
}
static double getAttackStat() {
System.out.print("Enter player's new attack stat --> ");
return scnr.nextDouble();
}
static double getBlockStat() {
System.out.print("Enter player's new block stat --> ");
return scnr.nextDouble();
}
}
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