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Create an object for Rectangle class and invoke area and perimeter method.

Create an object for Rectangle class and invoke area and perimeter method.

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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Implement the following classes: Shape name: String + Shape (name: String) /* accessor-mutator */ + area () : double + perimeter (): double Rectangle - length: double - width: double + Rectangle (name: String, length: double, width: double) /* accessor-mutator */ + area () : double + perimeter (): double Create an object for Rectangle class and invoke area and perimeter method. Input Format Take rectangle length and width as input from user. Constraints Here, Shape class is an abstract class, having two abstract methods area() and perimeter() Output Format Print rectangle area and perimeter as shown in sample output. Sample Input 0 5 2 Sample Output 0 10.0 14.0
Transcribed Image Text:Implement the following classes: Shape name: String + Shape (name: String) /* accessor-mutator */ + area () : double + perimeter (): double Rectangle - length: double - width: double + Rectangle (name: String, length: double, width: double) /* accessor-mutator */ + area () : double + perimeter (): double Create an object for Rectangle class and invoke area and perimeter method. Input Format Take rectangle length and width as input from user. Constraints Here, Shape class is an abstract class, having two abstract methods area() and perimeter() Output Format Print rectangle area and perimeter as shown in sample output. Sample Input 0 5 2 Sample Output 0 10.0 14.0
Implement the following classes and invoke discountedPrice() for object of each class. <<interface>> Discountable discountedPrice (price: double): double PercentageDiscount ThresholdDiscount percentage: double threshold: double discount: double + PercentageDiscount (percentage: + ThresholdDiscount (threshold: double, discount: double) + getThreshold (): double + getDiscount (): double + setThreshold (threshold: double) : void + setDiscount (discount: double): void + discountedPrice (price: double) : double) + getPercentage (): double + setPercentage (percentage: double) : void + discountedPrice (price: double): double double A threshold discount is a discount that is given to customers when the total for a transaction reaches one or more specified amounts. For example, you can create a discount that gives a 10 percent discount for purchases over 100.00 or you can specify a fixed discount amount. Input Format Take total price and percentage of discount as input from user. Create objects for both classes and invoke discountedPrice(). Constraints Threshold discount - 10% discount for purchases over 100.00 taka - Return the price amount if the condition is not satisfied. Output Format Print discounted price for both object. Sample Input 0 200 20 Sample Output 0 160.0 180.0
Transcribed Image Text:Implement the following classes and invoke discountedPrice() for object of each class. <<interface>> Discountable discountedPrice (price: double): double PercentageDiscount ThresholdDiscount percentage: double threshold: double discount: double + PercentageDiscount (percentage: + ThresholdDiscount (threshold: double, discount: double) + getThreshold (): double + getDiscount (): double + setThreshold (threshold: double) : void + setDiscount (discount: double): void + discountedPrice (price: double) : double) + getPercentage (): double + setPercentage (percentage: double) : void + discountedPrice (price: double): double double A threshold discount is a discount that is given to customers when the total for a transaction reaches one or more specified amounts. For example, you can create a discount that gives a 10 percent discount for purchases over 100.00 or you can specify a fixed discount amount. Input Format Take total price and percentage of discount as input from user. Create objects for both classes and invoke discountedPrice(). Constraints Threshold discount - 10% discount for purchases over 100.00 taka - Return the price amount if the condition is not satisfied. Output Format Print discounted price for both object. Sample Input 0 200 20 Sample Output 0 160.0 180.0
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