1- GivenaclassnamedTicketDB- whichwillbeusedtoprovidetheresponsibility.docx

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TicketDB is a class that uses an ArrayList to manage Ticket objects. It provides methods to add tickets, calculate the average price, retrieve tickets by ID, obtain tickets within a price range, and write all tickets to a text file called 'tickets-report.txt' using printf formatting. The class implements methods for core ticket data management and reporting functionality.

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1. GivenaclassnamedTicketDB, whichwillbeusedtoprovidetheresponsibilityofdata management
of a set of Ticket objects. Internally, it should use an Arraylist of Ticket as follows: Public class
TicketDB { private ArrayList < Ticket > ticket List = new ArrayList < Ticket > ( ); -
implementation for a method to add a not null Ticket object into the ticketlist. - implementation
for a method to report the average price of the tickets. - implementation for a method to retrieve
a specific ticket by id. - implementation for a safe way method to obtain an Array List of all the
Ticket objects within a given range of prices. - implementation for a method called
reportTickets() which should write the Ticket objects stored in the ticketList to a text file named
"tickets-report.txt". You should use the printf() method to format your data in the following
structure: public void reportTickets ();

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Please solve the following problem using C++. Thank you Instructions: ---- A LinkNode structure or class which will have two attributes - a data attribute, and a pointer attribute to the next node. The data attribute of the LinkNode should be a reference/pointer of the Currency class of Lab 2. Do not make it an inner class or member structure to the SinglyLinkedList class of #2 below. A SinglyLinkedList class which will be composed of three attributes - a count attribute, a LinkNode pointer/reference attribute named as and pointing to the start of the list and a LinkNode pointer/reference attribute named as and pointing to the end of the list. Since this is a class, make sure all these attributes are private. The class and attribute names for the node and linked list are the words in bold in #1 and #2. For the Linked List, implement the following linked-list behaviors as explained in class - getters/setters/constructors/destructors, as needed, for the attributes of the class. createList method in addition to the constructor - this is optional for overloading purposes. destroyList method in place of or in addition to the destructor - this is optional for overloading purposes, addCurrency method which takes a Currency object and a node index value as parameters to add the Currency to the list at that index. removeCurrency method which takes a Currency object as parameter and removes that Currency object from the list and may return a copy of the Currency. removeCurrency overload method which takes a node index as parameter and removes the Currency object at that index and may return a copy of the Currency. findCurrency method which takes a Currency object as parameter and returns the node index at which the Currency is found in the list. getCurrency method which takes an index values as a parameter and returns the Currency object. printList method which returns a string of all the Currency objects in the list in the order of index, tab spaced. isListEmpty method which returns if a list is empty or not. countCurrency method which returns a count of Currency nodes in the list. Any other methods you think would be useful in your program. A Stack class derived from the SinglyLinkedList but with no additional attributes and the usual stack methods - constructor and createStack (optional) methods, push which takes a Currency object as parameter and adds it to the top of the stack. pop which takes no parameter and removes and returns the Currency object from the top of the stack. peek which takes no parameter and returns a copy of the Currency object at the top of the stack. printStack method which returns a string signifying the contents of the stack from the top to bottom, tab spaced. destructor and/or destroyStack (optional) methods. Ensure that the Stack objects do not allow Linked List functions to be used on them. A Queue class derived from the SinglyLinkedList but with no additional attributes and the usual queue methods - constructor and creat.

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/* An object of class StatCalc can be used to compute several simple statistics for a set of numbers. Numbers are entered into the dataset using the enter(double) method. Methods are provided to return the following statistics for the set of numbers that have been entered: The number of items, the sum of the items, the average, the standard deviation, the maximum, and the minimum. */ public class Stats { private int count; // Number of numbers that have been entered. private double sum; // The sum of all the items that have been entered. private double squareSum; // The sum of the squares of all the items. private double max = Double.NEGATIVE_INFINITY; // Largest item seen. private double min = Double.POSITIVE_INFINITY; // Smallest item seen. int[] myList; public int getCount() { System.out.println(myList.size()); count = myList.size(). // Return number of items that have been entered. return count; } public double getSum() { int sum = 0; for (int i = 0; i < myList.length; i++) { sum +=mylist[i]; } return sum; } public double getMean() { int sum = 0; for (int i = 0; i < myList.length; i++) { sum +=mylist[i]; } if(count > 0) return sum / count; else return -1; } public double getMin() { int smallest = myList[0]; int largetst = myList[0]; for(int i=1; i< mylist.length; i++) { if(mylist[i] > largetst) largetst = numbers[i]; else if (mylist[i] < smallest) smallest = numbers[i]; } return smallest; } public double getMax() { int smallest = myList[0]; int largetst = myList[0]; for(int i=1; i< mylist.length; i++) { if(mylist[i] > largetst) largetst = numbers[i]; else if (mylist[i] < smallest) smallest = numbers[i]; } return largetst; } stats(int [] data) { if(data.count <= count) { if(myList.size() > 0) System.arraycopy( myList, 0, data, 0, count ); } } stats() { Scanner s = new Scanner(System.in); int count = s.nextInt(); s.nextLine(); // throw away the newline. int [] numbers = new int[count]; Scanner numScanner = new Scanner(s.nextLine()); for (int i = 0; i < count; i++) { if (numScanner.hasNextInt()) { numbers[i] = numScanner.nextInt(); } else { System.out.println(\"You didn\'t provide enough numbers\"); break; } } System.arraycopy( myList, 0, numbers, 0, count ); } stats(int size) { setValue(size); } private void setValue(int size) { count = size; myList = new int[size]; } } // end class StatCalc public class SimpleStats { public static void main(String[] args) { Stat calc; // Computes stats for numbers entered by user. calc = new Stat(100); int arry[] = {20.20.40,30.80,,70,4,5,6,7,10} calc.setvalue(array); double item; // One number entered by the user. TextIO.putln(\"Enter your numbers. Enter 0 to end.\"); TextIO.putln(); do { TextIO.put(\"? \"); item = TextIO.getlnDouble(); if (item != 0) calc.enter(item); } while ( item != 0 ); TextIO.putln(\"\ Statistics about your calc:\ \"); TextIO.putln(\" Count: \" + calc.getCount()); TextIO.putln(\" Sum: \" + calc.getSum()); TextIO.putln(\" Minimum: \" + calc.getMin()); TextIO.putln(\" Maximum: \" + ca.

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Write a program that mimics the operations of several vending machines. More specifically, the program simulates what happens when the user chooses one of the vending machines, inputs money and picks an item from the vending machine. Assume there are two vending machines: one for drinks and one for snacks. Each vending machine contains several items. The name, price, and quantity of each item is given in two text files; one named “drinks.txt” for the drinks vending machine and the other named “snacks.txt” for the snacks vending machine. The format of the input values is comma-separated. The items listed should be organized in the file with the following order: name, price, quantity. Here are some example items: The actual reading and parsing of the input file is already handled in the class supplied to you (see code on BlackBoard). You are given the variables as individual values. You will need to create the .txt files for creating and testing your vending machines. You will need to create/complete three classes for this homework assignment: Item, VendingMachine, and VendingMachineDriver. Problem Description Milk,2.00,1 Within your VendingMachine class, include these methods: VendingMachineThisconstructormethodwilltakeinthenameoftheinputfileand create a vending machine object. A vending machine object will contain an array of Item objects called stock and an amount of revenue earned. This constructor method has been completed for you and should work appropriately once you have completed the rest of this class and the other class definitions. vendThismethodwillsimulatethevendingtransactionafteravalidamountofmoney and an item selection are entered. This method will decide if the transaction is successful (enough money or item) and update the vending machine appropriately. outputMessage This method will print an appropriate message depending on the success of the transaction. If the user does not have enough money to buy the chosen item, the vending machine should prompt the user to enter more money or exit the machine. If the vending machine is out of the chosen item, the program will print an apology message and prompt the user to choose another item or exit the machine. If there is enough money for the item selected, then the vending machine will give the user the item and return the change. printMenuThismethodprintsthemenuofitemsforthechosenvendingmachine. The Item class needs to include the following data variables: • description as a String • price as a double • quantity as an int Within your VendingMachineDriver class, include a main method as the starting point for your solution that creates the vending machine objects appropriately and then use a loop that continues interacting with the vending machines until the user enters “X” to exit. See the sample session for details. As you implement your solution, you might find that some methods contain some repeated coding logic. To avoid unnecessary redundancies in your code, have these method.

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hello. please dont just copy from other answers, the following is the code that is already have and can u modified it for the following instructions. instructions ----A LinkNode structure or class which will have two attributes - a data attribute, and a pointer attribute to the next node. The data attribute of the LinkNode should be a reference/pointer of the Currency class of Lab 2. Do not make it an inner class or member structure to the SinglyLinkedList class of #2 below. A SinglyLinkedList class which will be composed of three attributes - a count attribute, a LinkNode pointer/reference attribute named as and pointing to the start of the list and a LinkNode pointer/reference attribute named as and pointing to the end of the list. Since this is a class, make sure all these attributes are private. The class and attribute names for the node and linked list are the words in bold in #1 and #2. For the Linked List, implement the following linked-list behaviors as explained in class - getters/setters/constructors/destructors, as needed, for the attributes of the class. createList method in addition to the constructor - this is optional for overloading purposes. destroyList method in place of or in addition to the destructor - this is optional for overloading purposes, addCurrency method which takes a Currency object and a node index value as parameters to add the Currency to the list at that index. removeCurrency method which takes a Currency object as parameter and removes that Currency object from the list and may return a copy of the Currency. removeCurrency overload method which takes a node index as parameter and removes the Currency object at that index and may return a copy of the Currency. findCurrency method which takes a Currency object as parameter and returns the node index at which the Currency is found in the list. getCurrency method which takes an index values as a parameter and returns the Currency object. printList method which returns a string of all the Currency objects in the list in the order of index, tab spaced. isListEmpty method which returns if a list is empty or not. countCurrency method which returns a count of Currency nodes in the list. Any other methods you think would be useful in your program. A Stack class derived from the SinglyLinkedList but with no additional attributes and the usual stack methods - constructor and createStack (optional) methods, push which takes a Currency object as parameter and adds it to the top of the stack. pop which takes no parameter and removes and returns the Currency object from the top of the stack. peek which takes no parameter and returns a copy of the Currency object at the top of the stack. printStack method which returns a string signifying the contents of the stack from the top to bottom, tab spaced. destructor and/or destroyStack (optional) methods. Ensure that the Stack objects do not allow Linked List functions to be used on them. A Queue class derived from the SinglyLink.

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please help implement the following in C. below are instructions and partial code below that, step one is completed in the image. double getMean(const int *arr, int size) { //TODO: implement } int getMin(const int *arr, int size) { //TODO: implement } int getIndexOfMin(const int *arr, int size) { //TODO: implement } int getMax(const int *arr, int size) { //TODO: implement } int getIndexOfMax(const int *arr, int size) { //TODO: implement } int * filterThreshold(const int *arr, int size, int threshold, int *resultSize) { //TODO: implement } int **createMultiplicationTable(int n, int m) { //TODO: implement } 1. Write documentation in the array_util.h file in your own words so you have an understanding of what it does. 2. Implement the function in the array_util.c file. 3. Test your function in the arrayMain.c file to verify it works. Look for ways to make your life easier: some functions may be able to utilize others. - double getMean(const int *arr, int size) - computes the average of elements in arr - int getmin (const int *arr, int size) - returns the minimum element in arr - int getindexofmin(const int *arr, int size) - returns the index of the the minimum element in arr - int getmax(const int *arr, int size) - returns the maximum element in arr - int getIndexofmax (const int *arr, int size) - returns the index of the the maximum element in arr - int * filterthreshold(const int *arr, int size, int threshold, int *resultsize) - creates and returns a new array that contains elements in arr that are greater than or equal to threshold. The size of the returned array is communicated through the pass-by-reference variable, resultSize. For example, if we pass the array [10,5,32,8,7, 28,15,12] with threshold =10 then the returned array should be [10,32,28,15,12] and the resultSize would be set to 5 . - int **createMultiplicationTable (int n, int m ) - creates and returns a new (nx m) 2-D array that contains the values in a multiplication table. For example, if n=3,m= 5 then the result should look like:.

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I received answers to 2 App requests and paid. The JAVA Apps are not working. They are both due at noon tomorrow Eastern time.I need serious and no-BS tutor that can have this working tonight since I have to get them in. I paid 40 to get this far and would pay another $50 to get the work completed and working. I want to see the output from the netbeans IDE directly. Ticket import java.util.Date; public class Ticket { /** Ticket number */ private long number; /** Category of Ticket */ private String category; /**Ticket Holder*/ private String holder; /** Purchase date */ private Date date; /** Ticket Price */ private double price; private boolean status; /*** * * @param num * @param cat * @param hold * @param d * @param p * @param newstatus */ Ticket (String num, String cat,String hold, Date d, double p, boolean newstatus){ number =Long.parseLong(num); category =cat; holder =hold; date =d; price=p; status =newstatus; } /** * @return the number */ public long getNumber() { return number; } /** * @return the category */ public String getCategory() { return category; } /** * @return the date */ public Date getDate() { return date; } /** * @param price * the price to set */ public void setPrice(double price) { this.price = price; } /** * @return the price */ public double getPrice() { return price; } /*** * * @return */ public void changePurchaseStatus(boolean newStatus) { status= newStatus; } /*** * */ public String toString() { return "Ticket Number: "+number +"\nCategory: "+category +"\nHolder: "+holder+"\nDate: "+date.toString()+"\nPrice: "+price+"\n"; } /** * @return the holder */ public String getHolder() { return holder; } } Merchandise import java.util.Scanner; public class Merchandise { private long id; private String category; private String description; private double price; private boolean instock; public Merchandise() { this.id = 0; this.category = null; this.description = null; this.price = 0; this.instock=true; } public Merchandise(long nid, String nCate, String nDesc, double nPri, boolean instck) { this.id = nid; this.category = nCate; this.description = nDesc; this.price = nPri; this.instock=instck; } public void setPrice(Double newPrice) { this.price = newPrice; } public void setStock(boolean newStatus) { this.instock= newStatus; } public long getId() { return id; } public String getCategory() { S.

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1. What is the evidence that all life on 1. What is a mutation, and what Barth has a common origin? determines whether it contributes to evolutionary change? 2. How did photosynthesis make life on land possible? 2. What are two possible explanations for why very similar genes can be found in 3. What is the relationship between a bacteria and plants? population and an ecosystem? 3. Explain the molecular genetios meaning of transcription and translation. .

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1. What is the definition of money? a. Anything made of gold b. Anything that is generally accepted and used as a medium of payment c. Only those things declared money by the government d. Any good or service that is traded for another good or service 2. Which of the following have not served as money in the past? a. seashells b. copper c. grain d. paper e. all of these have served as money in the past 3. Which one of these is not a function of money? a. medium of exchange b. a measure of value c. a store of value d. a status symbol .

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1. What is meant by the Columbian Exchange? Who was affected the most by the exchange? 2. What were the various goals of the colonial European powers in the expansion of their empires? To what extent were they able to achieve these goals? In your opinion, where did they fail? 3. On the whole, what was the impact of early European explorations on the New World? What was the impact of the New World on Europeans? .

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1. What is FALSE about this animal? ANT. A. Insecta B. Protostome C. Lophotrochozoan D. Ecdysozoan E. Arthropoda 1. Name two embryonic characteristics that this animal shares with an octopus. -? -? 2. All these animals fall under the group? animals: Cocodriles, Birds, and Dinosaurs A. Amphibia B. Lepidosauria C. Mammalia D. Archosauria E. Protostomy 2. In the skulls of these animals, we would expect to find at least __#?___ holes beside the orbital (the one of the eye). 3. Birds, reptiles, and amphibians Name two characteristics that they all share with a Cephalochordate: 4. A CORAL Evolutionary advance? A. coelom b. tissues C. cephalization D. triploblasty E. metamerism Mention two characteristics that are associated with the body symmetry of these animals? .

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1. What are the major differences between ELISA and ELISpot 2. The ELISpot assay can assist you in determining the type of adaptive T cell response involved during a particular infection or disease state. How can you use the ELISpot assay to measures specific T cell responses to HIV infection? Think about the unique cytokines released by specific cell types 3. EUSA assays typically use a standard curve. Does the ELISpot assay? why/why not? 4. How would you interpret results of an ELISpot in 1 in which in sample A you found 500 tiny little spots, versus sample B in which you found 100 big spots (about 4 times bigger that the size of sample A)? .

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1. What do you think the very first living microorganism used for nutrition (carbon, energy, nitrogen, etc)? 2. What is the advantage of being a facultative anaerobe vs. an aerotolerant anaerobe? Why do you think Streptococci are aerotolerant anaerobes but Escherichia coli are facultative anaerobes? 3. Can you think of a reason that bacteria might need to use active transport to move small molecules OUT of themselves? 4. How would you use an enrichment and isolation experiment to find new previously undiscovered biochemical reactions? .

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1. What are the 3 types of cloud delivery models, briefly explain them with examples 2. List the top benefits of cloud computing, briefly describing each of them? 3. Briefly describe Replication and its types? 4. What is cloud deployment and cloud migration? 5. What are the considerations for Network deployment in the cloud? 6. Describe different Types of Server Migrations (data center-to-cloud)? 7. List the types of best security practices to be followed? 8. What is CIA triad in data encryption? 9. Briefly describe data classification and its types? 10. What is cloud segmentation? 11. List and briefly describe cloud-based security services? .

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1. Understanding the implications of taxes on welfare Tbe following graph represents the demand and supply for blinkies (an imaginary product). The black point (olus symbol) indicates the pre-tax equilibrium, suppose the government has fust decided to impese a tax on this market; the grey points (star symbol) indicate the after-tax scenario. Homework (Ch 08) Complete the following table, given the information presented on the graph. In the following table, indicate which areas on the previous graph correspond to each concept. Check all that appy. .

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1. Understanding the implications of taxes on welfare The following graph represents the demand and supply for blinkles (an imaginary product). The black point (plus symbol) indicates the pre-tax equilibrium. Suppose the government has just decided to impose a tax on this market; the grey points (star symbol) indicate the after-tax scenario. Complete the following table, given the information presented on the graph. In the following table, indicate which areas on the previous graph correspond to each concept. Check all that apply. .

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1. use different markets to minimize or eliminate a particular risk that they face from the potential future movements in the market variables. Their mian aim is not to make a huge gain but moderately to protect their existing position against the price fluctuations. A. Speculator B. Hedger C. Arbitrageur D. All the above 2. was introduced on January 1, 1999 as official currency of member states of the European Union. A. Korean Won B. Euro C. Malaysian Ringgit D. Swiss Franc 3. Which currency pairs have nickname Barney and Betty? A. Euro / British Pound and Euro / Japanese Yen B. US Dollar / Russian Ruble and Euro / Russian Ruble C. British Pound / US Dollar and British Pound/Japanese Yen D. EURO/Bitcoin and Euro/ U.S Dollar 4. Process of aligning a country's currency with the US Dollar is called as A. industrialize B. dollarization C. seignorage D. integration 5. Buying and selling of goods and services between businesses in neighbouring countries is known as A. Cross border trade B. Foreign exchange rate C. Capital market D. Multinational Enterprise .

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1. The means through which data is transmitted and received. 2. A personal computer which may or may not be connected to a network. 3. A computer on the network that requests resources or services from another computer on a network. 4. The scheme for assigning a unique identifying number to every node on the network. 5. The device inside a computer connects a computer to the network media. 6. The physical layout of a computer network. 7. The distinct units of data that are exchanged between nodes on a network. 8. A standard method or format for communication between networked devices. 9. The part of a network to which segments and significant shared devices connect. Short Answer ( 4 points each question) 1. Describe the advantages and disadvantages of using peer-to-peer networks and client-server networks. 2. What is OSI Model? Describe each layer. 3. A network consists of 10 computers, all running Windows 7 Professional. One computer acts as a file server and serves up data to other computers on the network. Which networking model does the network use? 4. Describe LAN, MAN and WAN. 5. Describe network troubleshooting steps. 1. A ( n ) is a computer that is not connected to other computers and that uses software applications and data stored on its local disks. 2. In a ( n ) network, every computer can communicate directly with every other computer. 3. To function as a server, a computer must be running a(n) 4. A network that connects two or more geographically distinct LANs or MANs is called a(n) 5. refers to the centralized management of multiple network-based communications. 6. The seven layers of the OSI model are 7. Some switches operate at the layer and routens operate at the 8. A is a network of computers and other devices that ean directly address all other nodes. 9. A manages traffic between two or more LANS. 10. Networks provide a wide range of services, including. applications, services, and services 11. The model for access control relies on a centrally administered server using a NOS that munages shared resources for multiple clienta .

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