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Company A needs a software that helps the accountant to keep track of the company's purchases and create an expense report. The company needs any new purchase will be added to a list of expenses of company and compare with monthly limit (which was allocated $10,000.00). 1.First, define a class " Expense", that has constructors, accessor and mutators and three attributes: month, purchaseName, price. Then modify the Expense class to implement the Serialization Interface. 2.Use the "Serializable Interface" to store all purchases in a file " Expenses.ser". Note: When serializing an object to a file, the standard convention in Java is to give the file a .ser extension. (you can use same techniques explained in the course for opening, reading and writing the .ser file) 3. Implement driver program " ExpensesTest.java" to test the class. Define array of type Expense (of size 50). Display a menu to cover the main tasks a user can perform (see the sample output). Also, your driver should have following methods: -readFromFile: that gets all purchases stored in the Expenses.ser File. It has one input parameter which is an array of type Expense. The method returns an integer indicating the number of purchases(purchaseCounter). writeToFile: a void method to write the data to the Expenses.ser file. It has 2 parameters, first parameter is an array of type Expense and the second parameter is purchaseCounter. -getMonthlyPurchase: that returns the amount of expense that company A spent for each month. It has two parameters of month and array of Expense. Note: You can add other methods if you want. Note: Your implementation should handle possible exceptions. Here is a sample output to illustrate the expected behaviour of your code (Figure 1).

Company A needs a software that helps the accountant to keep track of the company's purchases and create an expense report. The company needs any new purchase will be added to a list of expenses of company and compare with monthly limit (which was allocated $10,000.00). 1.First, define a class " Expense", that has constructors, accessor and mutators and three attributes: month, purchaseName, price. Then modify the Expense class to implement the Serialization Interface. 2.Use the "Serializable Interface" to store all purchases in a file " Expenses.ser". Note: When serializing an object to a file, the standard convention in Java is to give the file a .ser extension. (you can use same techniques explained in the course for opening, reading and writing the .ser file) 3. Implement driver program " ExpensesTest.java" to test the class. Define array of type Expense (of size 50). Display a menu to cover the main tasks a user can perform (see the sample output). Also, your driver should have following methods: -readFromFile: that gets all purchases stored in the Expenses.ser File. It has one input parameter which is an array of type Expense. The method returns an integer indicating the number of purchases(purchaseCounter). writeToFile: a void method to write the data to the Expenses.ser file. It has 2 parameters, first parameter is an array of type Expense and the second parameter is purchaseCounter. -getMonthlyPurchase: that returns the amount of expense that company A spent for each month. It has two parameters of month and array of Expense. Note: You can add other methods if you want. Note: Your implementation should handle possible exceptions. Here is a sample output to illustrate the expected behaviour of your code (Figure 1).

Computer Networking: A Top-Down Approach (7th Edition)
Computer Networking: A Top-Down Approach (7th Edition)
7th Edition
ISBN:9780133594140
Author:James Kurose, Keith Ross
Publisher:James Kurose, Keith Ross
Chapter1: Computer Networks And The Internet
Section: Chapter Questions
Problem R1RQ: What is the difference between a host and an end system? List several different types of end...
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====Welcome to Expense Tracking System===- - Menu: 1- Add a New Purchase. 2- View Amount Spent per Month. e- Exit. What would you like to do? 1 Please enter month of purchase 3 Please enter name of item purchased Printer Please enter price of item purchased 250 - Menu: 1- Add a New Purchase. 2- View Amount Spent per Month. 0- Exit. What would you like to do? 1 Please enter month of purchase 7 Please enter name of item purchased OfficeChair Please enter price of item purchased 650 - Menu: 1- Add a New Purchase. 2- View Amount Spent per Month. 0- Exit. What would you like to do? 1 Please enter month of purchase 3 Please enter name of item purchased Paper Please enter price of item purchased 90 - Menu: 1- Add a New Purchase. 2- View Amount Spent per Month. 0- Exit. What would you like to do? 2 Please enter month of purchase 3 The amount of money spent in month 3 is 340 ** - Menu: 1- Add a New Purchase. 2- View Amount Spent per Month. 0- Exit. What would you like to do? Please enter month of purchase 7 The amount of money spent in month 7 is 650 *** - Menu: 1- Add a New Purchase. 2- View Amount Spent per Month. 0- Exit. What would you like to do? 2 Please enter month of purchase 1 **** The amount of money spent in month 1 is e - Menu: 1- Add a New Purchase. 2- View Amount Spent per Month. 9- Exit. What would you like to do? Figure 1: Sample output
Transcribed Image Text:====Welcome to Expense Tracking System===- - Menu: 1- Add a New Purchase. 2- View Amount Spent per Month. e- Exit. What would you like to do? 1 Please enter month of purchase 3 Please enter name of item purchased Printer Please enter price of item purchased 250 - Menu: 1- Add a New Purchase. 2- View Amount Spent per Month. 0- Exit. What would you like to do? 1 Please enter month of purchase 7 Please enter name of item purchased OfficeChair Please enter price of item purchased 650 - Menu: 1- Add a New Purchase. 2- View Amount Spent per Month. 0- Exit. What would you like to do? 1 Please enter month of purchase 3 Please enter name of item purchased Paper Please enter price of item purchased 90 - Menu: 1- Add a New Purchase. 2- View Amount Spent per Month. 0- Exit. What would you like to do? 2 Please enter month of purchase 3 The amount of money spent in month 3 is 340 ** - Menu: 1- Add a New Purchase. 2- View Amount Spent per Month. 0- Exit. What would you like to do? Please enter month of purchase 7 The amount of money spent in month 7 is 650 *** - Menu: 1- Add a New Purchase. 2- View Amount Spent per Month. 0- Exit. What would you like to do? 2 Please enter month of purchase 1 **** The amount of money spent in month 1 is e - Menu: 1- Add a New Purchase. 2- View Amount Spent per Month. 9- Exit. What would you like to do? Figure 1: Sample output
Company A needs a software that helps the accountant to keep track of the company's purchases and create an expense report. The company needs any new purchase will be added to a list of expenses of company and compare with monthly limit (which was allocated $10,000.00). 1.First, define a class " Expense", that has constructors, accessor and mutators and three attributes: month, purchaseName, price. Then modify the Expense class to implement the Serialization Interface. 2.Use the "Serializable Interface" to store all purchases in a file " Expenses.ser". %3D Note: When serializing an object to a file, the standard convention in Java is to give the file a .ser extension. (you can use same techniques explained in the course for opening, reading and writing the .ser file) 3. Implement driver program " ExpensesTest.java" to test the class. Define array of type Expense (of size 50). Display a menu to cover the main tasks a user can perform (see the sample output). Also, your driver should have following methods: -readFromFile: that gets all purchases stored in the Expenses.ser File. It has one input parameter which is an array of type Expense. The method returns an integer indicating the number of purchases(purchaseCounter). writeToFile: a void method to write the data to the Expenses.ser file. It has 2 parameters, first parameter is an array of type Expense and the second parameter is purchaseCounter. -getMonthlyPurchase: that returns the amount of expense that company A spent for each month. It has two parameters of month and array of Expense. Note: You can add other methods if you want. Note: Your implementation should handle possible exceptions. Here is a sample output to illustrate the expected behaviour of your code (Figure 1).
Transcribed Image Text:Company A needs a software that helps the accountant to keep track of the company's purchases and create an expense report. The company needs any new purchase will be added to a list of expenses of company and compare with monthly limit (which was allocated $10,000.00). 1.First, define a class " Expense", that has constructors, accessor and mutators and three attributes: month, purchaseName, price. Then modify the Expense class to implement the Serialization Interface. 2.Use the "Serializable Interface" to store all purchases in a file " Expenses.ser". %3D Note: When serializing an object to a file, the standard convention in Java is to give the file a .ser extension. (you can use same techniques explained in the course for opening, reading and writing the .ser file) 3. Implement driver program " ExpensesTest.java" to test the class. Define array of type Expense (of size 50). Display a menu to cover the main tasks a user can perform (see the sample output). Also, your driver should have following methods: -readFromFile: that gets all purchases stored in the Expenses.ser File. It has one input parameter which is an array of type Expense. The method returns an integer indicating the number of purchases(purchaseCounter). writeToFile: a void method to write the data to the Expenses.ser file. It has 2 parameters, first parameter is an array of type Expense and the second parameter is purchaseCounter. -getMonthlyPurchase: that returns the amount of expense that company A spent for each month. It has two parameters of month and array of Expense. Note: You can add other methods if you want. Note: Your implementation should handle possible exceptions. Here is a sample output to illustrate the expected behaviour of your code (Figure 1).
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