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- Theory assignments - Notes - Practical - Question Papers - DISCLAIMER and motto files Lastly, updated README. Stored using LFS: - Practical/Assignment-1/AWS EC2 - User Guide.pdf - Practical/Assignment-3/Bank-App-Demo.mp4 - Practical/Assignment-3/Demo-3.mp4 - Practical/Assignment-3/Salesforce Apex - Reference Guide.pdf
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+# Bank Application using Apex
+
+Problem Statement: Create Bank application in SalesForce.com using Apex programming Language.
+
+- [Method 1 (Create Visual App)](#method-1)
+- [Method 2 (Execution Window)](#method-2) *(expected method)*
+- [Video Instructions](https://git.kska.io/sppu-te-comp-content/CloudComputing/src/branch/main/Practical/Assignment-3/Bank-App-Demo.mp4)
+
+---
+
+## Method 1
+
+1. In the Developer Console, after creating a new `Apex Class` with the name `CreateBankCustomer`, paste the below code:
+
+> [!IMPORTANT]
+> Remove all the existing stuff from the file before pasting.
+
+```java
+public class CreateBankCustomer {
+    public String customerName { get; set; }
+    public String contactNumber { get; set; }
+    public String customerSegment { get; set; }
+    public String accountNumber { get; set; }
+    public String accountType { get; set; }
+
+    public List<SelectOption> segmentOptions { get; set; }
+    public List<SelectOption> accountTypeOptions { get; set; }
+
+    public CreateBankCustomer(ApexPages.StandardController controller) {
+        segmentOptions = new List<SelectOption>();
+        segmentOptions.add(new SelectOption('', '- None -'));
+        segmentOptions.add(new SelectOption('Retail Banking', 'Retail Banking'));
+        segmentOptions.add(new SelectOption('Corporate Banking', 'Corporate Banking'));
+        segmentOptions.add(new SelectOption('Private Banking', 'Private Banking'));
+        segmentOptions.add(new SelectOption('Investment Banking', 'Investment Banking'));
+
+        accountTypeOptions = new List<SelectOption>();
+        accountTypeOptions.add(new SelectOption('', '- None -'));
+        accountTypeOptions.add(new SelectOption('Savings', 'Savings'));
+        accountTypeOptions.add(new SelectOption('Current', 'Current'));
+    }
+
+    public PageReference createCustomer() {
+        System.debug('Creating new bank customer');
+        if (!String.isEmpty(customerName)) {
+            Account customer = new Account(
+                Name = customerName,
+                Phone = contactNumber,
+                Industry = customerSegment,
+                AccountNumber = accountNumber,
+                Type = accountType
+            );
+            insert customer;
+            PageReference pg = new PageReference('/' + customer.Id);
+            pg.setRedirect(true);
+            return pg;
+        } else {
+            ApexPages.addMessage(new ApexPages.Message(ApexPages.Severity.ERROR, 'Please enter Customer Name'));
+        }
+        return null;
+    }
+
+    public PageReference cancelCreation() {
+        return new PageReference('/' + Schema.SObjectType.Account.getKeyPrefix() + '/o');
+    }
+}
+```
+
+2. In top-left corner, click on `File` followed by `Save` to save this file.
+
+3. In top-left corner, click on `File`, then `New -> Visualforce Page` and create a new Apex Page titled `CreateBankCustomer`. Then, paste the following code:
+
+> [!IMPORTANT]
+> Remove all the existing stuff from the file before pasting.
+
+```xml
+<apex:page standardController="Account" extensions="CreateBankCustomer">
+    <apex:form>
+        <apex:pageMessages />
+        <apex:pageBlock title="Create Bank Customer">
+            <apex:pageBlockSection columns="1">
+                <apex:inputText value="{!customerName}" label="Customer Name"/>
+                <apex:inputText value="{!contactNumber}" label="Contact Number"/>
+                <apex:inputText value="{!accountNumber}" label="Account Number"/>
+                <apex:selectList value="{!accountType}" size="1" label="Account Type">
+                    <apex:selectOptions value="{!accountTypeOptions}" />
+                </apex:selectList>
+                <apex:selectList value="{!customerSegment}" size="1" label="Customer Segment">
+                    <apex:selectOptions value="{!segmentOptions}"/>
+                </apex:selectList>
+            </apex:pageBlockSection>
+            <apex:pageBlockButtons >
+                <apex:commandButton value="Create" action="{!createCustomer}" />
+                <apex:commandButton value="Cancel" action="{!cancelCreation}" />
+            </apex:pageBlockButtons>
+        </apex:pageBlock>
+    </apex:form>
+</apex:page>
+```
+
+4. In top-left corner, click on `File` followed by `Save` to save this file.
+
+
+5. In top-left corner, right above the line numbers, click on `Preview` button. A new browser tab will open. Enter the required details and click on `Create` to create a new user.
+
+> [!TIP]
+> Visit `Accounts` section from App Launcher to view the changes.
+
+---
+
+## Method 2
+
+1. In the Developer Console, after creating a new `Apex Class` with the name `User`, paste the below code:
+
+> [!IMPORTANT]
+> Remove all the existing stuff from the file before pasting.
+
+```java
+public class User {
+public static void createAccount(String accName, String accType) {
+Account newAcc = new Account();
+newAcc.Name = accName;
+newAcc.Type = accType; // Use the standard Type field
+
+    try {
+        insert newAcc;
+        System.debug('Account created with id: ' + newAcc.Id);
+    } catch (DmlException e) {
+        System.debug('Error creating Account: ' + e.getMessage());
+    }
+}
+
+ public static void deleteAccount(Id accId) {
+    // Check if the account ID is valid
+    if (accId == null) {
+        System.debug('Account Id cannot be null');
+        return;
+    }
+    
+    try {
+        // Perform the delete operation
+        delete [SELECT Id FROM Account WHERE Id = :accId LIMIT 1];
+        System.debug('Account with ID: ' + accId + ' has been deleted.');
+    } catch (DmlException e) {
+        System.debug('Error deleting Account: ' + e.getMessage());
+    } catch (QueryException e) {
+        System.debug('Error finding Account: ' + e.getMessage());
+    }
+}
+
+}
+```
+
+2. In top-left corner, click on `File` followed by `Save` to save this file.
+
+3. Press `Ctrl+E` to open execute anonymous window.
+
+4. Paste the below content and hit `Execute`.
+
+```java
+User.createAccount('Test Account', 'Savings);
+User.deleteAccount('#specified_Id');
+
+// Id can be checked in URL when clicked on any account created in Accounts Page
+```
+
+> [!TIP]
+> Visit `Accounts` section from App Launcher to view the changes.
+
+> [!NOTE]
+> For account deletion, you have to do it directly from the `Accounts` section in App Launcher.
+
+---
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+# Steps for using Apex to create new accounts in Salesforce (for Developers)
+
+This file contains instructions for Assignment-3.
+
+---
+
+## Code
+
+In the Developer Console, after creating a new `Apex Class` with the name `user`, paste the below code:
+
+```
+public class user {
+    public static void createAccount(String accountName) {
+        // Create a new Account instance
+        Account newAccount = new Account();
+        newAccount.Name = accountName;
+
+        // Insert the Account into the database
+        try {
+            insert newAccount;
+            System.debug('Account created with Id: ' + newAccount.Id);
+        } catch (DmlException e) {
+            System.debug('Error creating account: ' + e.getMessage());
+        }
+    }
+}
+```
+
+## Execution
+
+- In the Developer Console itself, after pasting the above code, press `Ctrl+S` to save the changes, then
+- Press `Ctrl+E` to open execute anonymous window,
+- Paste the below content and hit `Execute`.
+
+```apex
+user.createAccount('Test-1');
+user.createAccount('Test-2');
+```
+
+> [!TIP]
+> Visit `Accounts` section from App Launcher to view the changes.
+
+> [!NOTE]
+> For account deletion, you have to do it directly from the `Accounts` section in App Launcher.
+
+---