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ChrisHowdChrisHowd
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adding some initial files to learning path 3
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‎.github/workflows/LP3SampleApps.yml‎

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# This workflow is triggered on two events: workflow_dispatch and push.
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#
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# - The workflow_dispatch event allows you to manually trigger the workflow from GitHub's UI.
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# - The push event triggers the workflow whenever there's a push to the master branch, but only
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# if the changes include files in the LearnModuleExercises/SampleApps/** directory.
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#
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# The defaults section sets the default shell for all run commands in the workflow to PowerShell (pwsh).
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#
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# The workflow consists of a single job named create_zip, which runs on the latest version of Ubuntu.
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#
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# This job has three steps:
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#
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# 1. The Checkout step uses the actions/checkout@v4 action to checkout the repository's code onto the
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# runner. This is a common first step in most workflows as it allows subsequent steps to operate on
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# the codebase.
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#
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# 2. The Create SampleApps zip step changes the current directory to ./LearnModuleExercises/SampleApps
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# and then creates a zip file of all the files in that directory, including those in the .vscode
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# subdirectory. The -r option is used to zip directories recursively and the -q option is used to run
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# the command quietly without printing a lot of output. The resulting zip file is saved in the
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# ../Downloads directory with the name SampleApps.zip.
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#
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# 3. The Commit and push step uses the Endbug/add-and-commit@v7 action to add the newly created zip file
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# to the repository, commit the changes with the message 'Updating Zip for API source files', and then
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# push the changes back to the repository. The add input is set to the path of the zip file and the push
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# input is set to true to enable pushing.
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#
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# This workflow is useful for automatically packaging and versioning sample applications whenever changes
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# are made to them.
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#
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name: CreateLP3SamplesZip
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on:
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workflow_dispatch:
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push:
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branches:
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- 'main'
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paths:
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- DownloadableCodeProjects/LP3_reuse-inheritance-polymorphism/**
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defaults:
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run:
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shell: pwsh
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jobs:
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create_zip:
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runs-on: ubuntu-latest
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steps:
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- name: Checkout
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uses: actions/checkout@v4
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- name: Create LP1 SampleApps zip
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run: |
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cd ./DownloadableCodeProjects/LP3_reuse-inheritance-polymorphism
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rm -f ../Downloads/LP3SampleApps.zip
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zip -r -q ../Downloads/LP3SampleApps.zip $(git ls-files)
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- name: Commit and push
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uses: Endbug/add-and-commit@v7
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with:
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add: '["DownloadableCodeProjects/Downloads/LP3SampleApps.zip"]'
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message: 'Updating Zip with sample app source files'
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push: true

‎DownloadableCodeProjects/LP3_reuse-inheritance-polymorphism/Reuse_M1/Solution/readme.txt‎

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placeholder

‎DownloadableCodeProjects/LP3_reuse-inheritance-polymorphism/Reuse_M1/Starter/BankAccount.cs‎

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using System;
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namespace Classes_M2;
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public class BankAccount
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{
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private static int nextAccountNumber;
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public static double interestRate;
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public int AccountNumber { get; }
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public string CustomerId { get; }
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public double Balance { get; private set; } = 0;
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public string AccountType { get; set; } = "Checking";
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static BankAccount()
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{
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Random random = new Random();
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nextAccountNumber = random.Next(10000000, 20000000);
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interestRate = 0;
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}
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public BankAccount(string customerIdNumber)
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{
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this.AccountNumber = nextAccountNumber++;
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this.CustomerId = customerIdNumber;
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}
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public BankAccount(string customerIdNumber, double balance, string accountType)
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{
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this.AccountNumber = nextAccountNumber++;
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this.CustomerId = customerIdNumber;
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this.Balance = balance;
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this.AccountType = accountType;
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}
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// Method to deposit money into the account
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public void Deposit(double amount)
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{
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if (amount > 0)
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{
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Balance += amount;
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}
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}
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// Method to withdraw money from the account
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public bool Withdraw(double amount)
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{
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if (amount > 0 && Balance >= amount)
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{
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Balance -= amount;
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return true;
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}
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return false;
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}
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// Method to transfer money to another account
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public bool Transfer(BankAccount targetAccount, double amount)
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{
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if (Withdraw(amount))
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{
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targetAccount.Deposit(amount);
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return true;
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}
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return false;
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}
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// Method to apply interest to the account
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public void ApplyInterest()
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{
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Balance += Balance * interestRate;
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}
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// Method to display account information
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public string DisplayAccountInfo()
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{
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return $"Account Number: {AccountNumber}, Type: {AccountType}, Balance: {Balance}, Interest Rate: {interestRate}, Customer ID: {CustomerId}";
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}
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}

‎DownloadableCodeProjects/LP3_reuse-inheritance-polymorphism/Reuse_M1/Starter/BankCustomer.cs‎

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using System;
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namespace Classes_M2;
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public class BankCustomer
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{
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private static int nextCustomerId;
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private string fName = "Tim";
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private string lName = "Shao";
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public readonly string customerId;
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static BankCustomer()
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{
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Random random = new Random();
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nextCustomerId = random.Next(10000000, 20000000);
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}
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public BankCustomer(string firstName, string lastName)
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{
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FirstName = firstName;
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LastName = lastName;
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this.customerId = (nextCustomerId++).ToString("D10");
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}
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public string FirstName
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{
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get { return fName; }
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set { fName = value; }
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}
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public string LastName
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{
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get { return lName; }
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set { lName = value; }
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}
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// Method to return the full name of the customer
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public string ReturnFullName()
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{
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return $"{FirstName} {LastName}";
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}
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// Method to update the customer's name
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public void UpdateName(string firstName, string lastName)
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{
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FirstName = firstName;
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LastName = lastName;
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}
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// Method to display customer information
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public string DisplayCustomerInfo()
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{
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return $"Customer ID: {customerId}, Name: {ReturnFullName()}";
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}
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}

‎DownloadableCodeProjects/LP3_reuse-inheritance-polymorphism/Reuse_M1/Starter/Program.cs‎

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using Classes_M2;
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// Step 1: Create BankCustomer objects
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Console.WriteLine("Creating BankCustomer objects...");
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string firstName = "Tim";
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string lastName = "Shao";
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BankCustomer customer1 = new BankCustomer(firstName, lastName);
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firstName = "Lisa";
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BankCustomer customer2 = new BankCustomer(firstName, lastName);
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firstName = "Sandy";
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lastName = "Zoeng";
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BankCustomer customer3 = new BankCustomer(firstName, lastName);
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Console.WriteLine($"BankCustomer 1: {customer1.FirstName} {customer1.LastName} {customer1.customerId}");
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Console.WriteLine($"BankCustomer 2: {customer2.FirstName} {customer2.LastName} {customer2.customerId}");
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Console.WriteLine($"BankCustomer 3: {customer3.FirstName} {customer3.LastName} {customer3.customerId}");
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// Step 2: Create BankAccount objects for customers
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Console.WriteLine("\nCreating BankAccount objects for customers...");
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BankAccount account1 = new BankAccount(customer1.customerId);
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BankAccount account2 = new BankAccount(customer2.customerId, 1500, "Checking");
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BankAccount account3 = new BankAccount(customer3.customerId, 2500, "Checking");
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Console.WriteLine($"Account 1: Account # {account1.AccountNumber}, type {account1.AccountType}, balance {account1.Balance}, rate {BankAccount.interestRate}, customer ID {account1.CustomerId}");
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Console.WriteLine($"Account 2: Account # {account2.AccountNumber}, type {account2.AccountType}, balance {account2.Balance}, rate {BankAccount.interestRate}, customer ID {account2.CustomerId}");
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Console.WriteLine($"Account 3: Account # {account3.AccountNumber}, type {account3.AccountType}, balance {account3.Balance}, rate {BankAccount.interestRate}, customer ID {account3.CustomerId}");
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// Step 3: Demonstrate the use of BankCustomer properties
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Console.WriteLine("\nUpdating BankCustomer 1's name...");
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customer1.FirstName = "Thomas";
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customer1.LastName = "Margand";
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Console.WriteLine($"Updated BankCustomer 1: {customer1.FirstName} {customer1.LastName} {customer1.customerId}");
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// Step 4: Demonstrate the use of BankAccount methods
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Console.WriteLine("\nDemonstrating BankAccount methods...");
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// Deposit
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Console.WriteLine("Depositing 500 into Account 1...");
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account1.Deposit(500);
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Console.WriteLine($"Account 1 after deposit: Balance = {account1.Balance}");
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// Withdraw
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Console.WriteLine("Withdrawing 200 from Account 2...");
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bool withdrawSuccess = account2.Withdraw(200);
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Console.WriteLine($"Account 2 after withdrawal: Balance = {account2.Balance}, Withdrawal successful: {withdrawSuccess}");
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// Transfer
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Console.WriteLine("Transferring 300 from Account 3 to Account 1...");
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bool transferSuccess = account3.Transfer(account1, 300);
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Console.WriteLine($"Account 3 after transfer: Balance = {account3.Balance}, Transfer successful: {transferSuccess}");
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Console.WriteLine($"Account 1 after receiving transfer: Balance = {account1.Balance}");
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// Apply interest
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Console.WriteLine("Applying interest to Account 1...");
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account1.ApplyInterest();
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Console.WriteLine($"Account 1 after applying interest: Balance = {account1.Balance}");
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// Step 5: Demonstrate the use of extension methods
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Console.WriteLine("\nDemonstrating extension methods...");
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Console.WriteLine(customer1.GreetCustomer());
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Console.WriteLine($"Is customer1 ID valid? {customer1.IsValidCustomerId()}");
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Console.WriteLine($"Can account2 withdraw 2000? {account2.CanWithdraw(2000)}");
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Console.WriteLine($"Is account3 overdrawn? {account3.IsOverdrawn()}");
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// Step 6: Display customer and account information
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Console.WriteLine("\nDisplaying customer and account information...");
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Console.WriteLine(customer1.DisplayCustomerInfo());
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Console.WriteLine(account1.DisplayAccountInfo());

‎DownloadableCodeProjects/LP3_reuse-inheritance-polymorphism/Reuse_M1/Starter/Reuse_M1.csproj‎

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<Project Sdk="Microsoft.NET.Sdk">
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<PropertyGroup>
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<OutputType>Exe</OutputType>
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<TargetFramework>net9.0</TargetFramework>
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<ImplicitUsings>enable</ImplicitUsings>
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<Nullable>enable</Nullable>
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</PropertyGroup>
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</Project>

‎DownloadableCodeProjects/LP3_reuse-inheritance-polymorphism/Reuse_M2/Solution/readme.txt‎

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placeholder

‎DownloadableCodeProjects/LP3_reuse-inheritance-polymorphism/Reuse_M2/Starter/BankAccount.cs‎

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using System;
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namespace Classes_M2;
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public class BankAccount
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{
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private static int nextAccountNumber;
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public static double interestRate;
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public int AccountNumber { get; }
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public string CustomerId { get; }
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public double Balance { get; private set; } = 0;
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public string AccountType { get; set; } = "Checking";
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static BankAccount()
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{
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Random random = new Random();
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nextAccountNumber = random.Next(10000000, 20000000);
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interestRate = 0;
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}
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public BankAccount(string customerIdNumber)
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{
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this.AccountNumber = nextAccountNumber++;
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this.CustomerId = customerIdNumber;
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}
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public BankAccount(string customerIdNumber, double balance, string accountType)
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{
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this.AccountNumber = nextAccountNumber++;
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this.CustomerId = customerIdNumber;
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this.Balance = balance;
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this.AccountType = accountType;
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}
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// Method to deposit money into the account
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public void Deposit(double amount)
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{
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if (amount > 0)
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{
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Balance += amount;
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}
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}
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// Method to withdraw money from the account
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public bool Withdraw(double amount)
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{
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if (amount > 0 && Balance >= amount)
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{
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Balance -= amount;
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return true;
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}
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return false;
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}
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// Method to transfer money to another account
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public bool Transfer(BankAccount targetAccount, double amount)
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{
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if (Withdraw(amount))
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{
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targetAccount.Deposit(amount);
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return true;
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}
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return false;
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}
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// Method to apply interest to the account
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public void ApplyInterest()
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{
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Balance += Balance * interestRate;
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}
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// Method to display account information
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public string DisplayAccountInfo()
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{
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return $"Account Number: {AccountNumber}, Type: {AccountType}, Balance: {Balance}, Interest Rate: {interestRate}, Customer ID: {CustomerId}";
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}
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}

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