4.14 LAB: Ticketing service (Queue) Given main(), complete the program to add people to a queue. The program should read in a list of people's names including "You" (ending with-1), adding each person to the peoplelnQueue queue. Then, remove each person from the queue until "You" is at the head of the queue. Include print statements as shown in the example below. Ex. If the input is Zadie Smith Tom Sawyer You Louisa Alcott the output is Welcome to the ticketing service... You are number 3 in the queue. Zadie Smith has purchased a ticket. You are now number 2 Tom Sawyer has purchased a ticket. You are now number 1 You can now purchase your ticket!
4.14 LAB: Ticketing service (Queue) Given main(), complete the program to add people to a queue. The program should read in a list of people's names including "You" (ending with-1), adding each person to the peoplelnQueue queue. Then, remove each person from the queue until "You" is at the head of the queue. Include print statements as shown in the example below. Ex. If the input is Zadie Smith Tom Sawyer You Louisa Alcott the output is Welcome to the ticketing service... You are number 3 in the queue. Zadie Smith has purchased a ticket. You are now number 2 Tom Sawyer has purchased a ticket. You are now number 1 You can now purchase your ticket!
Database System Concepts
7th Edition
ISBN:9780078022159
Author:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan
Publisher:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan
Chapter1: Introduction
Section: Chapter Questions
Problem 1PE
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Question
Transcribed Image Text:4.14 LAB: Ticketing service (Queue)
Given main(), complete the program to add people to a queue. The program should read in a list of people's names including "You" (ending
with -1), adding each person to the peoplelnQueue queue. Then, remove each person from the queue until "You" is at the head of the queue.
Include print statements as shown in the example below.
Ex. If the input is
Zadie Smith
Tom Sawyer
You
Louisa Alcott
the output is
Welcome to the ticketing service...
You are number 3 in the queue.
Zadie Smith has purchased a ticket.
You are now number 2
Tom Sawyer has purchased a ticket.
You are now number 1
You can now purchase your ticket!
![1 import java.util.Scanner;
2 import java.util.LinkedList;
3 import java.util.Queue;
4
5 public class Ticketing Service {
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public static void main (String[] args) {
Scanner scnr = new Scanner(System.in);
String personName
}
int counter = 0;
int youPosition;
"";
}
TicketingService.java
Queue<String> peopleInQueue = new LinkedList<String>();
personName= scnr.nextLine();
while (!personName.equals("-1")) {
// TODO: Add personName to peopleInQueue and
//
determine position of "You" (youPosition)
personName = scnr.nextLine();
System.out.println("Welcome to the ticketing service... ");
System.out.println("You are number " + youPosition + "in the queue.");
// TODO: In a loop, remove head person from peopleInQueue,
//
//
//
output their name and that they have purchased a ticket,
then output your position in the queue. When you are at
the head, output that you can purchase your ticket.
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Transcribed Image Text:1 import java.util.Scanner;
2 import java.util.LinkedList;
3 import java.util.Queue;
4
5 public class Ticketing Service {
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11
12
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1234O
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33}
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public static void main (String[] args) {
Scanner scnr = new Scanner(System.in);
String personName
}
int counter = 0;
int youPosition;
"";
}
TicketingService.java
Queue<String> peopleInQueue = new LinkedList<String>();
personName= scnr.nextLine();
while (!personName.equals("-1")) {
// TODO: Add personName to peopleInQueue and
//
determine position of "You" (youPosition)
personName = scnr.nextLine();
System.out.println("Welcome to the ticketing service... ");
System.out.println("You are number " + youPosition + "in the queue.");
// TODO: In a loop, remove head person from peopleInQueue,
//
//
//
output their name and that they have purchased a ticket,
then output your position in the queue. When you are at
the head, output that you can purchase your ticket.
Load default template...
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