Question

Java

7.17 Clone of LAB*: Program: Soccer team roster This program will store roster and rating information for a soccer team. Coaches rate players during tryouts to ensure a balanced team. (1) Prompt the user to input five pairs of numbers: A player's jersey number (0-99, but this is NOT enforced by the program nor tested) and the player's rating (1-9, not enforced like jersey numbers). Store the jersey numbers in one int array and the ratings in another int array. Output these arrays (i.e, output the roster) as shown below after inputting the data. Enter player l's jersey number: 84 Enter player l's rating: Enter player 2's jersey number: Enter player 2's rating: Enter player 3's jersey number: Enter player 3's rating: Enter player 4's jersey number: Enter player 4's rating: Enter player 5's Jersey number 66 Enter player 5's rating:

Answer 1

import java.util.*;

class Main {

public static void main(String[] args) {

Scanner scnr = new Scanner(System.in);

int[][] roaster = new int[5][2]; //five pairs of numbers including jersey number and player rank

boolean status = true;

char choice;

for (int i = 0; i < 5; i++) { //input roaster team // get jeresey number and rank

System.out.println("Enter player " + (i+1) + "'s jersey number: ");

roaster[i][0] = scnr.nextInt();

System.out.println("Enter player " + (i+1) + "'s rank: ");

roaster[i][1] = scnr.nextInt();

System.out.println();

}

System.out.println();

printTeam(roaster, 0);

while (status) { //infinite loop until presses q making status false

menu(); // menu

choice = scnr.next().charAt(0); // get choice

if (choice == 'q') { // if q then exit

status = false;

break;

} else if (choice == 'o') { // if o print roaster

printTeam(roaster, 0);

} else if (choice == 'u') { // u to update rank

System.out.println("Enter a jersey number: ");

int jerseyNum = scnr.nextInt();

System.out.println("Enter a new rank for the player: ");

int newrank = scnr.nextInt();

for (int l = 0; l < 5; l++) {

if (roaster[l][0] == jerseyNum) {

roaster[l][1] = newrank;

}

}

} else if (choice == 'a') { // get players above rank

System.out.println("Enter a rank: ");

int rank = scnr.nextInt();

printTeam(roaster, rank);

} else if (choice == 'r') { // r to replace

System.out.println("Enter a jersey number: ");

int jerseyNum = scnr.nextInt();

for (int l = 0; l < 5; l++) {

if (roaster[l][0] == jerseyNum) {

System.out.println("Enter a new jersey number: ");

roaster[l][0] = scnr.nextInt();

System.out.println("Enter a rank for the new player: ");

roaster[l][1] = scnr.nextInt();

}

}

}

}

}

public static void printTeam(int[][] roaster, int min) { //print team

System.out.println(((min>0) ? ("ABOVE " + min) : ("ROSTER")));

int item = 1;

for (int[] mem : roaster) {

if (mem[1] > min) {

System.out.println("Player " + item + " -- Jersey number: " + mem[0] + ", rank: " + mem[1]);

}

item++;

}

System.out.println();

}

public static void menu() {

System.out.println("MENU");

System.out.println("u - Update player rank");

System.out.println("a - Output roaster above a rank");

System.out.println("r - Replace player");

System.out.println("o - Output roster");

System.out.println("q - Quit\n");

System.out.println("Choose an option: ");

}

}

OUTPUT:

Enter player 5's jersey number: 66 Enter player 5's rank: ROSTER Player 1 -- Jersey_number: 84, rank: 7 Player 2 -- Jersey_number: 23, rank: 4 Player 3 -- Jersey number: 4, rank: 5 Player 4 -- Jersey_number: 30, rank: 2 Player 5 -- Jersey number: 66, rank: 9 MENU u - Update player rank a - Output roaster above a rank r - Replace player 0 - Output roster q - Quit Choose an option: Enter a rank: ABOVE 5 Player 1 -- Jersey_number: 84, rank: 7 Player 5 -- Jersey number: 66, rank: 9 MENU u – Update player rank a - Output roaster above a rank r - Replace player 0 - Output roster q - Quit Choose an option: ROSTER Player 1 -- Jersey number: 84, rank: 7 Player 2 -- Jersey_number: 23, rank: 4 Player 3 -- Jersey number: 4, rank: 5 Player 4 -- Jersey number: 30, rank: 2 Player 5 -- Jersey_number: 66, rank: 9

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