fix: Apply comprehensive Spotless formatting cleanup

- Remove trailing whitespace from all Java files
- Ensure all files end with proper newline character
- Address remaining Google Java Format compliance issues
- Clean up whitespace formatting in BankAtm, BankAtmDemo, MoneyOrder, and test files

Author: jrcespedes252-hub

lesson_17/bank/bank_app/src/main/java/com/codedifferently/lesson17/bank/BankAtm.java

@@ -115,15 +115,15 @@ public void depositFunds(String accountNumber, Check check) {
    */
   public void depositFunds(String accountNumber, MoneyOrder moneyOrder) {
     Account account = getAccountOrThrow(accountNumber);
-    
+
     // Record the debit for the source account (money order already handled withdrawal)
-    auditLog.recordDebit(moneyOrder.getSourceAccountNumber(), moneyOrder.getAmount(), 
+    auditLog.recordDebit(moneyOrder.getSourceAccountNumber(), moneyOrder.getAmount(),
         "Money order issued: " + moneyOrder.getMoneyOrderNumber());
-    
+
     moneyOrder.depositFunds(account);
-    
+
     // Record the credit for the destination account
-    auditLog.recordCredit(accountNumber, moneyOrder.getAmount(), 
+    auditLog.recordCredit(accountNumber, moneyOrder.getAmount(),
         "Money order deposit: " + moneyOrder.getMoneyOrderNumber());
   }
 

lesson_17/bank/bank_app/src/main/java/com/codedifferently/lesson17/bank/BankAtmDemo.java

@@ -20,10 +20,10 @@ public static void main(String[] args) {
     // 2. Create different types of accounts
     CheckingAccount checkingAccount = new CheckingAccount(
         "CHK001", Set.of(regularCustomer), 1000.0);
-    
+
     SavingsAccount savingsAccount = new SavingsAccount(
         "SAV001", Set.of(regularCustomer), 2000.0);
-    
+
     BusinessCheckingAccount businessAccount = new BusinessCheckingAccount(
         "BIZ001", Set.of(businessCustomer, regularCustomer), 10000.0);
 
@@ -42,7 +42,7 @@ public static void main(String[] args) {
     System.out.println("=== Multi-Currency Deposits ===");
     bankAtm.depositFunds("CHK001", 100.0, Currency.EUR); // Convert EUR to USD
     bankAtm.depositFunds("SAV001", 75.0, Currency.GBP);  // Convert GBP to USD
-    
+
     System.out.println("After currency deposits:");
     System.out.println("- Checking: $" + String.format("%.2f", checkingAccount.getBalance()));
     System.out.println("- Savings: $" + String.format("%.2f", savingsAccount.getBalance()));
@@ -51,12 +51,12 @@ public static void main(String[] args) {
     // 4. Demonstrate money order
     System.out.println("=== Money Order Demo ===");
     double businessBalanceBefore = businessAccount.getBalance();
-    
+
     MoneyOrder moneyOrder = new MoneyOrder("MO001", 500.0, businessAccount);
     System.out.println("Created money order for $500 from business account");
     System.out.println(
         "Business account after money order creation: $" + businessAccount.getBalance());
-    
+
     bankAtm.depositFunds("CHK001", moneyOrder);
     System.out.println("Deposited money order into checking account");
     System.out.println("Checking account balance: $" + checkingAccount.getBalance());
@@ -66,7 +66,7 @@ public static void main(String[] args) {
     System.out.println("=== Traditional Check Demo ===");
     Check check = new Check("CHK001001", 200.0, checkingAccount);
     bankAtm.depositFunds("SAV001", check);
-    
+
     System.out.println("Deposited $200 check from checking to savings");
     System.out.println("Checking balance: $" + checkingAccount.getBalance());
     System.out.println(
@@ -77,7 +77,7 @@ public static void main(String[] args) {
     System.out.println("=== Audit Trail ===");
     var allTransactions = bankAtm.getAuditLog().getAllTransactions();
     System.out.println("Total transactions recorded: " + allTransactions.size());
-    
+
     System.out.println("\nChecking account transactions:");
     var checkingTransactions = bankAtm.getAuditLog().getTransactionsForAccount("CHK001");
     for (var transaction : checkingTransactions) {

lesson_17/bank/bank_app/src/main/java/com/codedifferently/lesson17/bank/MoneyOrder.java

@@ -16,7 +16,7 @@ public MoneyOrder(String moneyOrderNumber, double amount, Account sourceAccount)
     this.moneyOrderNumber = moneyOrderNumber;
     this.amount = amount;
     this.sourceAccountNumber = sourceAccount.getAccountNumber();
-    
+
     sourceAccount.withdraw(amount);
   }
 

lesson_17/bank/bank_app/src/test/java/com/codedifferently/lesson17/bank/AuditLogTest.java

@@ -24,7 +24,7 @@ void testRecordCredit() {
     // Assert
     List<AuditLog.TransactionRecord> transactions = auditLog.getAllTransactions();
     assertEquals(1, transactions.size());
-    
+
     AuditLog.TransactionRecord record = transactions.get(0);
     assertEquals("123456789", record.getAccountNumber());
     assertEquals(100.0, record.getAmount());
@@ -41,7 +41,7 @@ void testRecordDebit() {
     // Assert
     List<AuditLog.TransactionRecord> transactions = auditLog.getAllTransactions();
     assertEquals(1, transactions.size());
-    
+
     AuditLog.TransactionRecord record = transactions.get(0);
     assertEquals("123456789", record.getAccountNumber());
     assertEquals(50.0, record.getAmount());
@@ -57,7 +57,7 @@ void testGetTransactionsForAccount() {
     auditLog.recordCredit("987654321", 200.0, "Another deposit");
 
     // Act
-    List<AuditLog.TransactionRecord> accountTransactions = 
+    List<AuditLog.TransactionRecord> accountTransactions =
         auditLog.getTransactionsForAccount("123456789");
 
     // Assert
@@ -83,7 +83,7 @@ void testGetAllTransactions() {
   void testTransactionRecordToString() {
     // Arrange
     auditLog.recordCredit("123456789", 100.0, "Test deposit");
-    
+
     // Act
     AuditLog.TransactionRecord record = auditLog.getAllTransactions().get(0);
     String result = record.toString();

lesson_17/bank/bank_app/src/test/java/com/codedifferently/lesson17/bank/BusinessCustomerTest.java

@@ -11,7 +11,7 @@ class BusinessCustomerTest {
   void testBusinessCustomer() {
     // Arrange
     UUID id = UUID.randomUUID();
-    
+
     // Act
     BusinessCustomer customer = new BusinessCustomer(id, "Acme Corp", "REG123456");