メソッド「public static int[][] SellSeatByPrice」のパラメーターがどうあるべきかを理解できないようです。ユーザーに (座席の) 価格を要求し、その価格が採用されているかどうか (= 0 の場合) を調べ、そうでない場合は値 0 を割り当てる必要があります。
以下は私のコードです、助けてください!
import java.util.Scanner;
/**
* Write a description of class A10_TheaterSeating here.
*
* @author (your name)
* @version (a version number or a date)
*/
public class A10_TheaterSeating
{
public static void main(String args[])
{
System.out.println("***Welcome to the Ticket Choice App!***");
System.out.println();
int[][] theaterSeats = //set values in seating chart array
{
{10, 10, 10, 10, 10, 10, 10, 10, 10, 10},
{10, 10, 10, 10, 10, 10, 10, 10, 10, 10},
{10, 10, 10, 10, 10, 10, 10, 10, 10, 10},
{10, 10, 20, 20, 20, 20, 20, 20, 10, 10},
{10, 10, 20, 20, 20, 20, 20, 20, 10, 10},
{10, 10, 20, 20, 20, 20, 20, 20, 10, 10},
{20, 20, 30, 30, 40, 40, 30, 30, 20, 20},
{20, 30, 30, 40, 50, 50, 40, 30, 30, 20},
{30, 40, 50, 50, 50, 50, 50, 50, 40, 30}
};
int[][] seats = theaterSeats;
printArray(seats); //print the seating chart
System.out.println();
//Defining variables
String str = "";
String input = "";
while (!input.equalsIgnoreCase("Q"))
{
System.out.print("Select 'S' to pick a seat, 'P' choose a price or 'Q' to quit: ");
Scanner in = new Scanner(System.in);
input = in.next();
if (input.equalsIgnoreCase("S"))
{
System.out.print("Enter row and seat number desired: ");
int row = in.nextInt();
int seat = in.nextInt();
System.out.println();
sellSeatByNumber(seats, row, seat);
printArray(seats);
System.out.println();
}
else if (input.equalsIgnoreCase("P"))
{
System.out.print("Enter price of seat desired: ");
int price = in.nextInt();
System.out.println();
sellSeatByPrice(seats, row, seat, price);
printArray(seats);
System.out.println();
}
}
System.out.println();
System.out.println("Thank you for choosing the ticket choice app.");
System.out.println();
}
public static void printArray(int[][] currSeat)
{
final int ROWS = 9;
final int COLUMNS = 10;
for(int i = 0; i < ROWS; i++)
{
for (int j = 0; j < COLUMNS; j++)
{
System.out.print(currSeat[i][j] + "\t");
}
System.out.println();
}
}
public static int[][] sellSeatByNumber(int[][] seats, int row, int seat)
{
if (row <= 0 || row > 9)
{
if (seat <= 0 || seat > 10)
{
System.out.print("Please enter a valid row and seat: ");
}
}
if (seats[row][seat] == 0)
{
System.out.print("That seat is taken. Please select another seat: ");
}
else
{
seats[seats.length - row][seat - 1] = 0;
}
return seats;
}
public static int[][] sellSeatByPrice(int[][] seats, int row, int seat, int price)
{
if (seats[row][seat] = price)
{
seats[seats.length - row][seat - 1] = 0;
}
return seats;
}
}