Develop a class diagram for following description:
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A: I have attached code below:
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OOPs
In today's technology-driven world, computer programming skills are in high demand. The object-oriented programming (OOP) approach is very much useful while designing and maintaining software programs. Object-oriented programming (OOP) is a basic programming paradigm that almost every developer has used at some stage in their career.
Constructor
The easiest way to think of a constructor in object-oriented programming (OOP) languages is:
Step by step
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- Instructions: Create a UML diagram for a Dog class. You can get some useful information from your book Review Chapter 5 Pg. 179-180. CLASS NAME List the instance variables in the constructor. Unified Modeling Language (UML) List the methods in the class. o - indicates private o name is the variable name o string is the data type of name CLASS NAME List the instance variables in the constructor. o + indicates public o getName is the method name o o string is the return data type List the methods in the class. The second row of the UML diagram lists the instance variables in the constructor. For example -name: string Java.util. The third row of the diagram lists the methods in the class. For example, +getName(): string empty parenthesie indicate nothing is sent to the method.Create a UML sequence diagram that will show your clients how the system’s classes will interact when customers are buying their flight tickets on the booking website. The system should allow the customer to search available flights from the database by inputting their desired location and departure/arrival date. The website will search the database and return the available flights to display. Once the customer has chosen the flight, they will add the flight to their cart and checkout. They will also then input their payment information and once everything is complete, the website should confirm the flight, empty cart and lastly display a confirmation of the ticket for the flight..Assignment 3 Chapter 5 - UML Sequence Diagram Draw a Sequence diagram for Scheduler system for the scenario of adding new appointment The scenario begins when the user chooses to add a new appointment in the UI. The Ul notices which part of the calendar is active and pops up an Add Appointment window for that date and time. The user enters information about the appointment's name, location, start and end times. The UI will prevent the user from entering an appointment that has invalid information, such as an empty name or negative duration. Then all this info will be validated on appointments record. The appointments record the new appointment in the user's list of appointments records. Any reminder selected by the user is added to the list of reminders. After saving, if the user enters an appointment that clashes with an existing meeting, the calendar asks the user whether he/she intended to join that meeting instead. Hint: the underlined are class names (lifelines)
- Interacting Marketing Read the following scenario carefully and based on, answer the below questions: Scenario: In this scenario [Design phase], the producers (producer-Name, producer-Address, and trade-Made) are marketing their products (Product-Name, offers- No) to consumers. This scenario is centered around “Making a sale”. The object traders (trade-No, Buyer, producer, and product) provide the services needed by consumers and producers. The object products keeps information about the items traded in the system. Each products include any number of PRODUCT-OFFERS (producer, and offer-price, sales), each producer giving QTY-AVAILABLE and asking –price. It also keeps a record of all the offers of items for sale by procedures and all the sales (buyer-Name, producer, product, price) made by the system. The object “traders” is like an agent that provides all the services needed by the buyers (buyer-Name, purchase) to arrange a sale. The buyer states the requested product…Employee Management system: This system allows the employees to apply for leaves, upload certificates etc. online. The HR Manager can also use the system for administrative purpose. Create your own case study (problem statement) for the above application and Class diagram with at least 4 classes and explain all the relationshipsTask 4: Design an immutable data model class to carry the data about a company such as the company address, company name, company phone, and employee details. Company Model final name: string final address: string final phone: string final employee: Employee getName(): string getAddress(): string getPhone: string getEmployee(): Employee
- Exercise 1 Car Dealership Create an ERD for a car dealership. The dealership sells both new and used cars, and it operates a service facility. Base your design on the following business rules: A salesperson may sell many cars, but each car is sold by only one salesperson. A customer may buy many cars, but each car is bought by only one customer. A salesperson writes a single invoice for each car he or she sells. A customer gets an invoice for each car he or she buys. A customer may come in just to have his or her car serviced; that is, a customer need not buy a car to be classified as a customer. When a customer takes one or more cars in for repair or service, one service ticket is written for each car. The car dealership maintains a service history for each of the cars serviced. The service records are referenced by the car’s serial number. A car brought in for service can be worked on by many mechanics, and each mechanic may work on many cars. A car that is…Course: Database Systems: Design and Application Web Shop scenario: A supplier (Supp-#) processes many purchase orders (PO-#) and sells a number of products (Prod-#). A product is sold by only one supplier. Each of the purchase orders that a supplier may process includes several products. The relationship between order and product is defined as "Line Item". A customer (Cust-#) may place one or more purchase orders. A purchase order may be placed by only one customer. Assignment requirements: Answer the following questions using above scenario: Identify the entities and attributes that required to draw the ER diagram. Integrate the entities with appropriate relationship and design the unified ER model.A rental company has the following procedure: A customer reserves a car, picks it up and the returns it after a certain period. At the time of pickup, the customer has the option to buy or waive collision insurance on the car. When the car is returned; the customer receives a bill and pays the specified amount. Corporate customers are not billed directly, rather the companies they work for are boiled and payments are made some time later. Required Prepare a use case diagram for capturing the requirements of the system to be developed. Extend the use case diagram to cater for the corporate customers.
- The "SUPERVISES" Relationship is considered as: EMPLOYEE SUPERVISES O 1. Ternary Relationship O 2. Identifying Relationship O 3. Recursive Relationship O 4. Binary RelationshipFood delivery application: This system allows the customers to search and order the food etc. online. The administrator can also use the system for administrative purpose like add and delete dishes etc. Create your own case study (problem statement) for the above application and 1. Draw the use case diagram 2. Class diagram with at least 4 classes and explain all the relationships 3. Draw a DFD-0 for this applicationWhen we type a reference, we design a pattern for using the reference. Explain down what a topics that can be included in a pattern?