Fixed set up and implementation

Author: dxbenson252

lesson_17/bank/bank_app/src/main/java/com/codedifferently/lesson17/Lesson17.java

@@ -1,65 +1,64 @@
 package com.codedifferently.lesson17.bank;
 
-import com.codedifferently.lesson17.bank.exceptions.InsufficientFundsException;
 import java.util.Set;
 
 /**
- * Common interface for all account types. Provides a contract for basic account operations
- * following the Interface Segregation Principle.
+ * Represents a bank account interface.
+ * Defines the common operations that all account types must support.
  */
 public interface Account {
-
-  /**
-   * Gets the account number.
-   *
-   * @return The account number.
-   */
-  String getAccountNumber();
-
-  /**
-   * Gets the owners of the account.
-   *
-   * @return The set of customers who own the account.
-   */
-  Set<Customer> getOwners();
-
-  /**
-   * Gets the current balance of the account.
-   *
-   * @return The current balance.
-   */
-  double getBalance();
-
-  /**
-   * Deposits funds into the account.
-   *
-   * @param amount The amount to deposit.
-   * @throws IllegalArgumentException if amount is negative or zero.
-   * @throws IllegalStateException if account is closed.
-   */
-  void deposit(double amount);
-
-  /**
-   * Withdraws funds from the account.
-   *
-   * @param amount The amount to withdraw.
-   * @throws InsufficientFundsException if insufficient funds.
-   * @throws IllegalArgumentException if amount is negative or zero.
-   * @throws IllegalStateException if account is closed.
-   */
-  void withdraw(double amount) throws InsufficientFundsException;
-
-  /**
-   * Checks if the account is closed.
-   *
-   * @return True if the account is closed, false otherwise.
-   */
-  boolean isClosed();
-
-  /**
-   * Closes the account.
-   *
-   * @throws IllegalStateException if account cannot be closed.
-   */
-  void closeAccount();
+    
+    /**
+     * Gets the account number.
+     *
+     * @return The account number.
+     */
+    String getAccountNumber();
+    
+    /**
+     * Gets the owners of the account.
+     *
+     * @return The owners of the account.
+     */
+    Set<Customer> getOwners();
+    
+    /**
+     * Deposits funds into the account.
+     *
+     * @param amount The amount to deposit.
+     * @throws IllegalArgumentException if amount is not positive.
+     * @throws IllegalStateException if account is closed.
+     */
+    void deposit(double amount);
+    
+    /**
+     * Withdraws funds from the account.
+     *
+     * @param amount The amount to withdraw.
+     * @throws IllegalArgumentException if amount is not positive.
+     * @throws IllegalStateException if account is closed.
+     * @throws com.codedifferently.lesson17.bank.exceptions.InsufficientFundsException if insufficient funds.
+     */
+    void withdraw(double amount) throws com.codedifferently.lesson17.bank.exceptions.InsufficientFundsException;
+    
+    /**
+     * Gets the balance of the account.
+     *
+     * @return The balance of the account.
+     */
+    double getBalance();
+    
+    /**
+     * Closes the account.
+     * 
+     * @throws IllegalStateException if account cannot be closed.
+     */
+    void closeAccount();
+    
+    /**
+     * Checks if the account is closed.
+     *
+     * @return True if the account is closed, otherwise false.
+     */
+    boolean isClosed();
 }