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import java.util.Scanner;
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import java.util.Date;
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public class reservation {
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    // Create an array of 12 seats, 6 window and 6 aisle.
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    private static int[] seats = new int[12];
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    public static void main(String args[]) {
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        System.out.println("Welcome to the DIC lovin train reservation system!");
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        System.out.println("Code ninjas, code newbies, one fabulous DIC ride!");
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        System.out.println();
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        // Lets start by setting all seats equal to 0 (aka Empty)
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        for (int i = 0; i < 12; i++) {
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            seats[i] = 0;
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        }
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        // Setup our scanner and default the choice to window.
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        Scanner s = new Scanner(System.in);
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        int choice = 1;
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        // Ask user for a window or an aisle seat and store their coice.
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        System.out.print("Please enter 1 for window, 2 for aisle, or 0 to exit: ");
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        choice = s.nextInt();
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        // While their choice is not the one for exit, execute our booking.
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        while (choice != 0) {
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            int seatnumber = 0;
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            // If they chose a window seat, attempt to book it.
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            if (choice == 1) {
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                seatnumber = bookWindow();
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                // No window seats available, try booking an aisle seat for them instead.
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                if (seatnumber == -1) {
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                    seatnumber = bookAisle();
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                    if (seatnumber != -1) {
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                        System.out.println("Sorry, we were not able to book a window seat. But do have an aisle seat.");
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                        printBoardingPass(seatnumber);
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                    }
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                }
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                else {
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                    // Booking a window seat was successful.
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                    System.out.println("You are in luck, we have a window seat available!");
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                    printBoardingPass(seatnumber);
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                }
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            }
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            else if (choice == 2) {
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                // If they chose booking an isle, check to see if it is available.
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                seatnumber = bookAisle();
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                // If not available, see if we have window seats available.
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                if (seatnumber == -1) {
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                    seatnumber = bookWindow();
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                    if (seatnumber != -1) {
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                        System.out.println("Sorry, we were not able to book an aisle seat. But do have a window seat.");
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                        printBoardingPass(seatnumber);
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                    }
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                }
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                else {
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                    // Booking an aisle seat was successful.
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                    System.out.println("You are in luck, we have an aisle seat available!");
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                    printBoardingPass(seatnumber);
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                }
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            }
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            else {
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                // Print an error message if they did not choose 1, 2, or 0 for their choice.
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                System.out.println("Invalid choice made. Please try again!");
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                choice = 0;
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            }
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            // No window or aisle seats were available. 
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            if (seatnumber == -1) {
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                System.out.println("We are sorry, there are no window or aisle seats available.");
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                System.out.println();
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            }
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            // Reprompt for a choice
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            System.out.print("Please enter 1 for window, 2 for aisle, or 0 to exit: ");
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            choice = s.nextInt();
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        }
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    }
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    // This function checks for window seats and returns seat number or -1 if full.
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    private static int bookWindow() {
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        for (int i = 0; i < 6; i++) {
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            if (seats[i] == 0) {
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                seats[i] = 1;
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                return i + 1;
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            }
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        }
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        return -1;
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    }
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    // This function checks to see if aisle seats were available, -1 if full.
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    private static int bookAisle() {
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        for (int i = 6; i < 12; i++) {
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            if (seats[i] == 0) {
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                seats[i] = 1;
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                return i + 1;
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            }
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        }
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        return -1;
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    }
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    // This simply prints out a nice little boarding pass message with their seat number and date of issue.
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    private static void printBoardingPass(int seatnumber) {
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        Date timenow = new Date();
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        System.out.println();
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        System.out.println("Date: " + timenow.toString());
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        System.out.println("Boarding pass for seat number: " + seatnumber);
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        System.out.println("This ticket is non-refundable and non-transferable.");
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        System.out.println("Please be curteous, do not smoke. Enjoy your trip.");
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        System.out.println();
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    }
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}
 

Main.java:2: error: class, interface, or enum expected
2
^
Main.java:4: error: class, interface, or enum expected
3
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Main.java:8: error: illegal start of type
5
^
Main.java:8: error: ';' expected
5
 ^
Main.java:12: error: illegal start of type
7
^
Main.java:12: error: <identifier> expected
7
 ^
Main.java:13: error: ';' expected
    private static int[] seats = new int[12];
           ^
Main.java:14: error: illegal start of type
8
^
Main.java:14: error: ';' expected
8
 ^
Main.java:18: error: not a statement
10
^
Main.java:18: error: ';' expected
10
  ^
Main.java:20: error: not a statement
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^
Main.java:20: error: ';' expected
11
  ^
Main.java:22: error: not a statement
12
^
Main.java:22: error: ';' expected
12
  ^
Main.java:24: error: not a statement
13
^
Main.java:24: error: ';' expected
13
  ^
Main.java:32: error: not a statement
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^
Main.java:32: error: ';' expected
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  ^
Main.java:34: error: not a statement
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^
Main.java:34: error: ';' expected
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  ^
Main.java:36: error: not a statement
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^
Main.java:36: error: ';' expected
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  ^
Main.java:42: error: not a statement
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^
Main.java:42: error: ';' expected
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  ^
Main.java:44: error: not a statement
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^
Main.java:44: error: ';' expected
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  ^
Main.java:50: error: not a statement
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^
Main.java:50: error: ';' expected
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  ^
Main.java:52: error: not a statement
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^
Main.java:52: error: ';' expected
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  ^
Main.java:60: error: not a statement
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^
Main.java:60: error: ';' expected
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Main.java:62: error: not a statement
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^
Main.java:62: error: ';' expected
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  ^
Main.java:70: error: not a statement
36
^
Main.java:70: error: ';' expected
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  ^
Main.java:72: error: not a statement
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^
Main.java:72: error: ';' expected
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  ^
Main.java:80: error: not a statement
41
^
Main.java:80: error: ';' expected
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  ^
Main.java:82: error: not a statement
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^
Main.java:82: error: ';' expected
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  ^
Main.java:86: error: not a statement
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^
Main.java:86: error: ';' expected
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  ^
Main.java:88: error: not a statement
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^
Main.java:88: error: ';' expected
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  ^
Main.java:90: error: not a statement
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^
Main.java:90: error: ';' expected
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  ^
Main.java:92: error: not a statement
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^
Main.java:92: error: ';' expected
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  ^
Main.java:94: error: not a statement
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^
Main.java:94: error: ';' expected
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  ^
Main.java:96: error: not a statement
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^
Main.java:96: error: ';' expected
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  ^
Main.java:100: error: not a statement
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^
Main.java:100: error: ';' expected
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  ^
Main.java:102: error: not a statement
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^
Main.java:102: error: ';' expected
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  ^
Main.java:95: error: 'else' without 'if'
                else {
                ^
Main.java:104: error: not a statement
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^
Main.java:104: error: ';' expected
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  ^
Main.java:106: error: not a statement
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^
Main.java:106: error: ';' expected
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  ^
Main.java:108: error: not a statement
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^
Main.java:108: error: ';' expected
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  ^
Main.java:114: error: not a statement
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^
Main.java:114: error: ';' expected
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  ^
Main.java:120: error: not a statement
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^
Main.java:120: error: ';' expected
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  ^
Main.java:122: error: not a statement
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^
Main.java:122: error: ';' expected
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  ^
Main.java:126: error: not a statement
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^
Main.java:126: error: ';' expected
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  ^
Main.java:128: error: not a statement
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^
Main.java:128: error: ';' expected
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  ^
Main.java:130: error: not a statement
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^
Main.java:130: error: ';' expected
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  ^
Main.java:132: error: not a statement
67
^
Main.java:132: error: ';' expected
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  ^
Main.java:134: error: not a statement
68
^
Main.java:134: error: ';' expected
68
  ^
Main.java:136: error: not a statement
69
^
Main.java:136: error: ';' expected
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  ^
Main.java:140: error: not a statement
71
^
Main.java:140: error: ';' expected
71
  ^
Main.java:142: error: not a statement
72
^
Main.java:142: error: ';' expected
72
  ^
Main.java:135: error: 'else' without 'if'
                else {
                ^
Main.java:144: error: not a statement
73
^
Main.java:144: error: ';' expected
73
  ^
Main.java:107: error: 'else' without 'if'
            else if (choice == 2) {
            ^
Main.java:146: error: not a statement
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^
Main.java:146: error: ';' expected
74
  ^
Main.java:148: error: not a statement
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^
Main.java:148: error: ';' expected
75
  ^
Main.java:152: error: not a statement
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^
Main.java:152: error: ';' expected
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  ^
Main.java:154: error: not a statement
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^
Main.java:154: error: ';' expected
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  ^
100 errors

Standard output is empty