Improve the parking transaction class below
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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Improve the parking transaction class below (use the other classes just for reference )

Transcribed Image Text:The diagram is a class diagram illustrating the relationships and attributes of a Parking Management System. Below is a detailed transcription and explanation of each class and its components:
### Classes and Their Attributes:
1. **TransactionManager:**
- **Attributes:**
- `transactions`: List of `ParkingTransaction` objects.
- `discountFactory`: An object of `DiscountStrategyFactory`.
- `discountRate`: A Double value representing the discount rate.
- **Methods:**
- `park(Date, ParkingPermit, ParkingLot)`: Returns a `ParkingTransaction` object.
2. **ParkingLot:**
- **Attributes:**
- `id`: A String representing the ID of the parking lot.
- `name`: A String representing the name of the parking lot.
- `address`: An Address object for the parking lot's location.
- `strategy`: A String indicating the strategy used (possibly for pricing or discounting).
- **Methods:**
- `getDiscountStrategy()`: Returns a `DiscountStrategy` object.
- `getDailyRate()`: Returns a monetary value representing the daily rate.
3. **ParkingTransaction:**
- **Attributes:**
- `date`: A Date object recording the transaction date.
- `permit`: A `ParkingPermit` associated with the transaction.
- `parkingLot`: The `ParkingLot` where the transaction occurred.
- `chargedAmount`: A Money object indicating the amount charged.
- **Methods:**
- `getChargedAmount()`: Returns the charged amount as a Money object.
- `getPermit()`: Returns the `ParkingPermit`.
### Relationships:
- **TransactionManager** manages multiple **ParkingTransaction** entries, connecting all transactions.
- **ParkingTransaction** is associated with a specific **ParkingLot** and requires a **ParkingPermit**.
This class diagram is useful for understanding the data structures and interactions in a parking management system, focusing on transaction management, parking lot details, and processing transactions with applicable discounts.
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