Feat: Fix; multiple fixes

Author: nilejack

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

@@ -9,7 +9,7 @@ public class CheckingAccount {
   private final Set<Customer> owners;
   private final String accountNumber;
   private double balance;
-  private boolean isActive;
+  public boolean isActive;
 
   /**
    * Creates a new checking account.

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

@@ -20,8 +20,9 @@ public static <T> boolean isBusiness(T t) {
    *
    * @param id The ID of the customer.
    * @param name The name of the customer.
+   * @param b
    */
-  public Customer(UUID id, String name) {
+  public Customer(UUID id, String name, boolean b) {
     this.id = id;
     this.name = name;
   }
@@ -83,4 +84,8 @@ public boolean equals(Object obj) {
   public String toString() {
     return "Customer{" + "id=" + id + ", name='" + name + '\'' + '}';
   }
+
+  public static String getEmail() {
+    return Customer.getEmail();
+  }
 }

lesson_17/bank/bank_app/src/main/java/com/codedifferently/lesson17/bank/exceptions/BusinessAccount.java

@@ -0,0 +1,37 @@
+package com.codedifferently.lesson17.bank.exceptions;
+
+import com.codedifferently.lesson17.bank.CheckingAccount;
+import com.codedifferently.lesson17.bank.Customer;
+import java.util.Set;
+
+public class BusinessAccount {
+  public class BusinessCheckingAccount extends CheckingAccount {
+    public BusinessCheckingAccount(String accountNumber, Set<Customer> owners, double balance) {
+      super(accountNumber, owners, balance);
+      if (!hasBusinessOwner(owners)) {
+        throw new IllegalArgumentException("requires at least one business owner.");
+      }
+    }
+
+    private boolean hasBusinessOwner(Set<Customer> owners) {
+      return owners.stream()
+          .anyMatch(
+              owner -> {
+                return ((Customer) owners).getEmail().contains("business");
+              });
+    }
+
+    @Override
+    public String toString() {
+      return "BusinessCheckingAccount{"
+          + "accountNumber='"
+          + getAccountNumber()
+          + '\''
+          + ", balance="
+          + getBalance()
+          + ", isActive="
+          + isActive
+          + '}';
+    }
+  }
+}

lesson_17/bank/bank_app/src/main/java/com/codedifferently/lesson17/bank/exceptions/VoidedSavingsCheckException.java

@@ -0,0 +1 @@
+