pre-merge commit

src/main/java/rocks/zipcode/quiz5/collections/Bank.java

@@ -1,32 +1,30 @@
 package rocks.zipcode.quiz5.collections;
 
-import rocks.zipcode.quiz5.objectorientation.account.Account;
 import rocks.zipcode.quiz5.objectorientation.account.BankAccount;
 
 import java.util.ArrayList;
-import java.util.HashMap;
 import java.util.List;
-import java.util.Map;
 
 /**
  * @author leon on 27/12/2018.
  */
 public class Bank {
 
-    private Map<Account, BankAccount> bankAccount = new HashMap<>();
+    private List<BankAccount> bankAccounts;
 
+    public Bank() {
+        this.bankAccounts = new ArrayList<>();
+    }
 
-    public BankAccount removeBankAccountByIndex(Integer indexNumber) {
-        return bankAccount.remove(indexNumber);
+    public boolean removeBankAccountByIndex(Integer indexNumber) {
+       return bankAccounts.remove(indexNumber);
     }
 
     public void addBankAccount(BankAccount bankAccount) {
-        this.bankAccount.put(new Account(), bankAccount);
+        this.bankAccounts.add(bankAccount);
     }
 
     public Boolean containsBankAccount(BankAccount bankAccount) {
-        throw new UnsupportedOperationException("Method not yet implemented");
-       // this.bankAccount.contains(bankAccount);
-
+      return this.bankAccounts.contains(bankAccount);
     }
 }