working on bank account

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

@@ -9,7 +9,7 @@ import java.util.ArrayList;
  */
 public class Bank {
 
-    ArrayList bank = new ArrayList<BankAccount>();
+    ArrayList<BankAccount> bank = new ArrayList<BankAccount>();
 
     BankAccount bankAccount = new BankAccount();
 

src/main/java/rocks/zipcode/quiz5/fundamentals/StringUtils.java

@@ -1,5 +1,8 @@
 package rocks.zipcode.quiz5.fundamentals;
 
+import java.util.HashSet;
+import java.util.Set;
+
 /**
  * @author leon on 21/12/2018.
  */
@@ -40,16 +43,34 @@ public class StringUtils {
 
     public static Boolean isIsogram(String str)
     {
-        return null;
+        Set<Character> chars = new HashSet<Character>();
+        for (Character c : str.toCharArray()) {
+            // characters to ignore
+            if (c == ' ' || c == '-')
+                continue;
+            else if (chars.contains(Character.toUpperCase(c)))
+                return false;
+            else
+                chars.add(Character.toUpperCase(c));
+        }
+        return true;
     }
 
     public static Boolean hasDuplicateConsecutiveCharacters(String str)
     {
-        return null;
+        for (int i=0; i<str.length()-1;i++)
+        {
+            if(str.charAt(i)==str.charAt(i+1))
+            {
+                return true;
+            }
+        }
+        return false;
     }
 
     public static String removeConsecutiveDuplicateCharacters(String str)
     {
+
         return null;
     }
 

src/main/java/rocks/zipcode/quiz5/objectorientation/Curry.java

@@ -1,4 +1,4 @@
 package rocks.zipcode.quiz5.objectorientation;
 
-public class Curry {
+public class Curry implements Spice {
 }

src/main/java/rocks/zipcode/quiz5/objectorientation/Ginger.java

@@ -3,5 +3,5 @@ package rocks.zipcode.quiz5.objectorientation;
 /**
  * @author leon on 27/12/2018.
  */
-public class Ginger {
+public class Ginger implements Spice{
 }

src/main/java/rocks/zipcode/quiz5/objectorientation/Pepper.java

@@ -3,5 +3,5 @@ package rocks.zipcode.quiz5.objectorientation;
 /**
  * @author leon on 27/12/2018.
  */
-public class Pepper {
+public class Pepper implements Spice{
 }

src/main/java/rocks/zipcode/quiz5/objectorientation/account/Account.java

@@ -3,7 +3,7 @@ package rocks.zipcode.quiz5.objectorientation.account;
 /**
  * @author leon on 30/12/2018.
  */
-public class Account extends BankAccount {
+public class Account {
     public Long getId() {
         return null;
     }

src/main/java/rocks/zipcode/quiz5/objectorientation/account/BankAccount.java

@@ -3,7 +3,22 @@ package rocks.zipcode.quiz5.objectorientation.account;
 /**
  * @author leon on 27/12/2018.
  */
-public class BankAccount {
+public class BankAccount extends Account implements Transactable {
+    @Override
+    public void deposit(Double amountToIncreaseBy) {
+
+    }
+
+    @Override
+    public void withdrawal(Double amountToDecreaseBy) {
+
+    }
+
     public void setBalance(Double val) {
     }
+
+    @Override
+    public Double getBalance() {
+        return null;
+    }
 }

src/main/java/rocks/zipcode/quiz5/objectorientation/account/Employee.java

@@ -3,18 +3,62 @@ package rocks.zipcode.quiz5.objectorientation.account;
 /**
  * @author leon on 30/12/2018.
  */
-public class Employee {
+public class Employee implements Worker, Transactable{
+
+    BankAccount bankAccount = new BankAccount();
+
+
     public Employee() {
     }
 
-    public Employee(BankAccount bankAccount) {
+    public Employee(BankAccount bankAccount)
+    {
+
+    }
+
+    public BankAccount getBankAccount()
+    {
+        return bankAccount;
     }
 
-    public BankAccount getBankAccount() {
+    public void setBankAccount(BankAccount bankAccount)
+    {
+        this.bankAccount=bankAccount;
+    }
+
+    @Override
+    public void increaseHoursWorked(Double numberOfHours)
+    {
+
+    }
+
+    @Override
+    public Double getHoursWorked() {
         return null;
     }
 
-    public void setBankAccount(BankAccount bankAccount) {
+    @Override
+    public Double getHourlyWage() {
+        return null;
+    }
+
+    @Override
+    public Double getMoneyEarned() {
+        return null;
+    }
+
+    @Override
+    public void deposit(Double amountToIncreaseBy) {
 
     }
+
+    @Override
+    public void withdrawal(Double amountToDecreaseBy) {
+
+    }
+
+    @Override
+    public Double getBalance() {
+        return null;
+    }
 }

src/test/java/rocks/zipcode/quiz5/fundamentals/stringutils/HasDuplicateConsecutiveCharactersTest.java

@@ -8,7 +8,7 @@ public class HasDuplicateConsecutiveCharactersTest {
     @Test
     public void test1() {
         String input = "Happy";
-        Assert.assertFalse(StringUtils.hasDuplicateConsecutiveCharacters(input));
+        Assert.assertTrue(StringUtils.hasDuplicateConsecutiveCharacters(input));
     }
 
     @Test