Big Java Late Objects
2nd Edition
ISBN: 9781119330455
Author: Horstmann
Publisher: WILEY
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Chapter 24, Problem 2RE
Explanation of Solution
XML - Extensible Markup Language
- XML is a language that contains a collection of rules used for encoding the content of a document in a format (human-readable and machine-readable).
- It is used to carry the content of any document.
- The tags are not predefined; and so the programmers can create their own set of tags to describe the data used in the document.
- The elements should have the start tag and its matching end-tag.
- XML is a metalanguage which was established by World Wide Web Consortium.
- It is an extended version of SGML (Standard Generalized Markup Language) that is used to describe more markup languages.
- The DTD describes the structure of a particular XML document.
- The Document Type Definition (DTD) is an organization specification of an XML document...
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using r language
8. Cash RegisterThis exercise assumes you have created the RetailItem class for Programming Exercise 5. Create a CashRegister class that can be used with the RetailItem class. The CashRegister class should be able to internally keep a list of RetailItem objects. The class should have the following methods:
A method named purchase_item that accepts a RetailItem object as an argument. Each time the purchase_item method is called, the RetailItem object that is passed as an argument should be added to the list.
A method named get_total that returns the total price of all the RetailItem objects stored in the CashRegister object’s internal list.
A method named show_items that displays data about the RetailItem objects stored in the CashRegister object’s internal list.
A method named clear that should clear the CashRegister object’s internal list.
Demonstrate the CashRegister class in a program that allows the user to select several items for purchase. When the user is ready to check out, the…
5. RetailItem ClassWrite a class named RetailItem that holds data about an item in a retail store. The class should store the following data in attributes: item description, units in inventory, and price.
Once you have written the class, write a program that creates three RetailItem objects and stores the following data in them:
Description Units in Inventory PriceItem #1 Jacket 12 59.95Item #2 Designer Jeans 40 34.95Item #3 Shirt 20 24.95
Chapter 24 Solutions
Big Java Late Objects
Ch. 24.1 - Prob. 1SCCh. 24.1 - Prob. 2SCCh. 24.1 - Prob. 3SCCh. 24.2 - Prob. 4SCCh. 24.2 - Prob. 5SCCh. 24.3 - Prob. 6SCCh. 24.3 - Prob. 7SCCh. 24.4 - Prob. 8SCCh. 24.4 - Prob. 9SCCh. 24.4 - Prob. 10SC
Ch. 24 - Prob. 1RECh. 24 - Prob. 2RECh. 24 - Prob. 3RECh. 24 - Prob. 4RECh. 24 - Prob. 5RECh. 24 - Prob. 6RECh. 24 - Prob. 7RECh. 24 - Prob. 8RECh. 24 - Prob. 9RECh. 24 - Prob. 10RECh. 24 - Prob. 11RECh. 24 - Prob. 12RECh. 24 - Prob. 13RECh. 24 - Prob. 14RECh. 24 - Prob. 15RECh. 24 - Prob. 16RECh. 24 - Prob. 17RECh. 24 - Prob. 18RECh. 24 - Prob. 1PECh. 24 - Prob. 2PECh. 24 - Prob. 3PECh. 24 - Prob. 4PECh. 24 - Prob. 5PECh. 24 - Prob. 6PECh. 24 - Prob. 1PPCh. 24 - Prob. 2PPCh. 24 - Prob. 3PPCh. 24 - Prob. 4PPCh. 24 - Prob. 5PPCh. 24 - Prob. 6PPCh. 24 - Prob. 7PPCh. 24 - Prob. 8PPCh. 24 - Prob. 9PPCh. 24 - Prob. 10PPCh. 24 - Prob. 11PPCh. 24 - Prob. 12PP
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