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1. Explain the importance of method signature in method overriding. 2. The system might want to use an overridden method (function) with a common signature across the relevant classes Seller, Dealer, Buyer, and distinct classes Car and Invoice for maintaining the finances. Details of the classes can be seen in Table 1. Explain with proper syntax as to how this can be achieved using object-oriented programming. 3. Write Java code (for the methods only) that implements the method with the same signature for each class with the following details: a. Calculates the commission earned by the dealer. A dealer charges 1% commission each to the buyer and seller on sale price of the car. b. The profit or loss for the seller. A seller earns profit (incurs loss) computed as the difference between the sale and purchase price of the car. Sales Tax is deducted at the rate of 17% on the profit earned. No sales tax is charged in case of loss. The method should display an appropriate message accordingly. c. The total amount paid by the buyer.

1. Explain the importance of method signature in method overriding. 2. The system might want to use an overridden method (function) with a common signature across the relevant classes Seller, Dealer, Buyer, and distinct classes Car and Invoice for maintaining the finances. Details of the classes can be seen in Table 1. Explain with proper syntax as to how this can be achieved using object-oriented programming. 3. Write Java code (for the methods only) that implements the method with the same signature for each class with the following details: a. Calculates the commission earned by the dealer. A dealer charges 1% commission each to the buyer and seller on sale price of the car. b. The profit or loss for the seller. A seller earns profit (incurs loss) computed as the difference between the sale and purchase price of the car. Sales Tax is deducted at the rate of 17% on the profit earned. No sales tax is charged in case of loss. The method should display an appropriate message accordingly. c. The total amount paid by the buyer.

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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Question 3: 1. Explain the importance of method signature in method overriding. 2. The system might want to use an overridden method (function) with a common signature across the relevant classes Seller, Dealer, Buyer, and distinct classes Car and Invoice for maintaining the finances. Details of the classes can be seen in Table 1. Explain with proper syntax as to how this can be achieved using object-oriented programming. 3. Write Java code (for the methods only) that implements the method with the same signature for each class with the following details: a. Calculates the commission earned by the dealer. A dealer charges 1% commission each to the buyer and seller on sale price of the car. b. The profit or loss for the seller. A seller earns profit (incurs loss) computed as the difference between the sale and purchase price of the car. Sales Tax is deducted at the rate of 17% on the profit earned. No sales tax is charged in case of loss. The method should display an appropriate message accordingly. c. The total amount paid by the buyer.
Transcribed Image Text:Question 3: 1. Explain the importance of method signature in method overriding. 2. The system might want to use an overridden method (function) with a common signature across the relevant classes Seller, Dealer, Buyer, and distinct classes Car and Invoice for maintaining the finances. Details of the classes can be seen in Table 1. Explain with proper syntax as to how this can be achieved using object-oriented programming. 3. Write Java code (for the methods only) that implements the method with the same signature for each class with the following details: a. Calculates the commission earned by the dealer. A dealer charges 1% commission each to the buyer and seller on sale price of the car. b. The profit or loss for the seller. A seller earns profit (incurs loss) computed as the difference between the sale and purchase price of the car. Sales Tax is deducted at the rate of 17% on the profit earned. No sales tax is charged in case of loss. The method should display an appropriate message accordingly. c. The total amount paid by the buyer.
Table 1: Class Attributes name, registration number, engine number, chassis number, city of registrat make and model, color, the date of the registration, price, the date of arrival of car to the dealership, type of the vehicle, and whether the car is sold or not. dealer's name, dealer's id, dealer's address, and the dealer's phone number. dealer object also keeps track of the cars that the dealer has. A person has a name, address, phone number and e-mail address. Car Dealer Person
Transcribed Image Text:Table 1: Class Attributes name, registration number, engine number, chassis number, city of registrat make and model, color, the date of the registration, price, the date of arrival of car to the dealership, type of the vehicle, and whether the car is sold or not. dealer's name, dealer's id, dealer's address, and the dealer's phone number. dealer object also keeps track of the cars that the dealer has. A person has a name, address, phone number and e-mail address. Car Dealer Person
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