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mutator and accessor methods for the class's fields. Demonstrate an object of the Customer purchases. The amount of a customer's discount is determined by the amount of the cus- customer wishes to be on a mailing list. Write one or more constructors and the appropriate should have a field for a customer number and a boolean field indicating whether the Next, design a class named Customer, which extends the Person class. The Customer class number. Write one or more constructors and the appropriate mutator and accessor methods Design a class named Person with fields for holding a person's name, address, and telephone 7. Person and Customer Classes for the class's fields. class in a simple program. 8. PreferredCustomer Class A retail store has a preferred customer plan where customers can earn discounte on all their tomer's cumulative purchases in the store as follows: • When a preferred customer spends $500, he or she gets a 5 percent discount on a future purchases. • When a preferred customer spends $1,000, he or she gets a 6 percent discount on all

mutator and accessor methods for the class's fields. Demonstrate an object of the Customer purchases. The amount of a customer's discount is determined by the amount of the cus- customer wishes to be on a mailing list. Write one or more constructors and the appropriate should have a field for a customer number and a boolean field indicating whether the Next, design a class named Customer, which extends the Person class. The Customer class number. Write one or more constructors and the appropriate mutator and accessor methods Design a class named Person with fields for holding a person's name, address, and telephone 7. Person and Customer Classes for the class's fields. class in a simple program. 8. PreferredCustomer Class A retail store has a preferred customer plan where customers can earn discounte on all their tomer's cumulative purchases in the store as follows: • When a preferred customer spends $500, he or she gets a 5 percent discount on a future purchases. • When a preferred customer spends $1,000, he or she gets a 6 percent discount on all

Database System Concepts
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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Put it in picture form since it is a combination of questions #7, and #8 in the picture, so inheritance is involved.

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Next, design a class named Customer, which extends the Person class. The Customer class purchases. The amount of a customer's discount is determined by the amount of the cus- should have a field for a customer number and a boolean field indicating whether the Modify the CourseGrades class you created in Programming Challenge S so it implemes The getAverage method should return the average of the numeric scores stored in the grades array that has the highest numeric score. The getLowest method should return a reference to the element of the grades array that has the lowest numeric score. Demonstrate number. Write one or more constructors and the appropriate mutator and accessor methods grades array. The getHighest method should return a reference to the element o the Design a class named Person with fields for holding a person's name, address, and telephone customer wishes to be on a mailing list. Write one or more constructors and the appropriate mutator and accessor methods for the class's fields. Demonstrate an object of the Customer A retail store has a preferred customer plan where customers can earn discounts on all their Inheritance 698 Chapter 10 • Nun 6. Analyzable Interface Anr the following interface: publte interface Analyzable The cla double getAverage (): GradedActivity getHighest (); GradedActivity getLowest (); Const dep the new methods in a complete program. 7. Person and Customer Classes for the class's fields. class in a simple program. 8. PreferredCustomer Class tomer's cumulative purchases in the store as follows: • When a preferred customer spends $500, he or she gets a 5 percent discount on future purchases. • When a preferred customer spends $1,000, he or she gets a 6 percent discount on ll future purchases. • When a preferred customer spends $1,500, he or she gets a 7 percent discount on all future purchases. • When a preferred customer spends $2,000 or more, he or shep on all future purchases. gets a 10 percent discount Design a class named PreferredCustomer, which extends the Customer class in Programming Challenge 7. The PreferredCustomer class should have fields for the amount of the customer's purchases and the customer's discount level. Write one or more constructors and the appropriate mutator and accessor methods for the class's fields. Dem- onstrate the class in a simple program. you created 9. BankAccount and SavingsAccount Classes Design an abstract class named Bankon
Transcribed Image Text:Next, design a class named Customer, which extends the Person class. The Customer class purchases. The amount of a customer's discount is determined by the amount of the cus- should have a field for a customer number and a boolean field indicating whether the Modify the CourseGrades class you created in Programming Challenge S so it implemes The getAverage method should return the average of the numeric scores stored in the grades array that has the highest numeric score. The getLowest method should return a reference to the element of the grades array that has the lowest numeric score. Demonstrate number. Write one or more constructors and the appropriate mutator and accessor methods grades array. The getHighest method should return a reference to the element o the Design a class named Person with fields for holding a person's name, address, and telephone customer wishes to be on a mailing list. Write one or more constructors and the appropriate mutator and accessor methods for the class's fields. Demonstrate an object of the Customer A retail store has a preferred customer plan where customers can earn discounts on all their Inheritance 698 Chapter 10 • Nun 6. Analyzable Interface Anr the following interface: publte interface Analyzable The cla double getAverage (): GradedActivity getHighest (); GradedActivity getLowest (); Const dep the new methods in a complete program. 7. Person and Customer Classes for the class's fields. class in a simple program. 8. PreferredCustomer Class tomer's cumulative purchases in the store as follows: • When a preferred customer spends $500, he or she gets a 5 percent discount on future purchases. • When a preferred customer spends $1,000, he or she gets a 6 percent discount on ll future purchases. • When a preferred customer spends $1,500, he or she gets a 7 percent discount on all future purchases. • When a preferred customer spends $2,000 or more, he or shep on all future purchases. gets a 10 percent discount Design a class named PreferredCustomer, which extends the Customer class in Programming Challenge 7. The PreferredCustomer class should have fields for the amount of the customer's purchases and the customer's discount level. Write one or more constructors and the appropriate mutator and accessor methods for the class's fields. Dem- onstrate the class in a simple program. you created 9. BankAccount and SavingsAccount Classes Design an abstract class named Bankon
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