pre-merge commit

pom.xml

@@ -26,6 +26,23 @@
             <version>4.12</version>
             <scope>test</scope>
         </dependency>
+        <dependency>
+            <groupId>org.decimal4j</groupId>
+            <artifactId>decimal4j</artifactId>
+            <version>1.0.3</version>
+        </dependency>
+        <!-- https://mvnrepository.com/artifact/org.apache.commons/commons-lang3 -->
+        <dependency>
+            <groupId>org.apache.commons</groupId>
+            <artifactId>commons-lang3</artifactId>
+            <version>3.0</version>
+        </dependency>
+        <dependency>
+            <groupId>org.reflections</groupId>
+            <artifactId>reflections</artifactId>
+            <version>0.9.11</version>
+        </dependency>
+
     </dependencies>
 
 

src/main/java/rocks/zipcode/quiz5/arrays/ArrayUtils.java

@@ -1,22 +1,29 @@
 package rocks.zipcode.quiz5.arrays;
 
+import java.util.ArrayList;
+import java.util.Arrays;
+
 /**
  * @author leon on 01/01/2019.
  */
 public class ArrayUtils {
     public static String getMiddleElement(String[] values) {
-        return null;
+        return values[values.length/2];
     }
 
     public static String[] removeMiddleElement(String[] values) {
-        return null;
+        ArrayList<String> list = new ArrayList<>(Arrays.asList(values));
+        list.remove(values.length/2);
+        return list.toArray(new String[0]);
     }
 
     public static String getLastElement(String[] values) {
-        return null;
+        return values[values.length-1];
     }
 
     public static String[] removeLastElement(String[] values) {
-        return null;
+        ArrayList<String> list = new ArrayList<>(Arrays.asList(values));
+        list.remove(values.length-1);
+        return list.toArray(new String[0]);
     }
 }

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

@@ -2,21 +2,29 @@ package rocks.zipcode.quiz5.collections;
 
 import rocks.zipcode.quiz5.objectorientation.Spice;
 
-import java.util.List;
-import java.util.Map;
+import java.util.*;
 
 /**
  * @author leon on 27/12/2018.
  */
 public class Food {
+    List<Spice> spices = new ArrayList<>();
     public List<Spice> getAllSpices() {
-        return null;
+        return spices;
     }
 
     public <SpiceType extends Class<? extends Spice>> Map<SpiceType, Integer> getSpiceCount() {
-        return null;
+        Map<SpiceType, Integer> count = new HashMap<>();
+        for(Spice s : spices) {
+            if (count.containsKey(s.getClass()))
+                count.put((SpiceType)s.getClass(), count.get(s) + 1);
+            else
+                count.put((SpiceType)s.getClass(), 1);
+        }
+        return count;
     }
 
     public void applySpice(Spice spice) {
+        spices.add(spice);
     }
 }

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

@@ -1,12 +1,20 @@
 package rocks.zipcode.quiz5.collections;
 
+import java.util.HashMap;
 import java.util.Map;
 
 public class WordCounter {
+    Map<String, Integer> wordCount;
     public WordCounter(String... strings) {
+        wordCount = new HashMap<>();
+        for(String str : strings)
+            if(wordCount.containsKey(str))
+                wordCount.put(str,wordCount.get(str) + 1);
+            else
+                wordCount.put(str,1);
     }
 
     public Map<String, Integer> getWordCountMap() {
-        return null;
+        return wordCount;
     }
 }

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

@@ -3,11 +3,13 @@ package rocks.zipcode.quiz5.objectorientation.account;
 /**
  * @author leon on 30/12/2018.
  */
-public class Account extends BankAccount {
+public class Account  {
+    private Long id;
     public Long getId() {
-        return null;
+        return id;
     }
 
     public void setId(Long id) {
+        this.id = id;
     }
 }

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

@@ -3,7 +3,28 @@ package rocks.zipcode.quiz5.objectorientation.account;
 /**
  * @author leon on 27/12/2018.
  */
-public class BankAccount {
+public class BankAccount extends Account implements Transactable{
+    private Double balance;
     public void setBalance(Double val) {
+        balance = val;
+    }
+
+    @Override
+    public void deposit(Double amountToIncreaseBy) {
+        if(amountToIncreaseBy < 0)
+            throw new IllegalArgumentException();
+        balance += amountToIncreaseBy;
+    }
+
+    @Override
+    public void withdrawal(Double amountToDecreaseBy) {
+        if(amountToDecreaseBy > balance || amountToDecreaseBy < 0)
+            throw new IllegalArgumentException();
+        balance -= amountToDecreaseBy;
+    }
+
+    @Override
+    public Double getBalance() {
+        return balance;
     }
 }

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

@@ -3,18 +3,49 @@ package rocks.zipcode.quiz5.objectorientation.account;
 /**
  * @author leon on 30/12/2018.
  */
-public class Employee {
+public class Employee implements Worker{
+    Double hourlyWage;
+    Double hoursWorked;
+    Double balance;
+    BankAccount bankAccount;
+
     public Employee() {
+         hourlyWage = 35.0;
+         hoursWorked = 0.0;
+         balance = 0.0;
+         bankAccount.setBalance(0.0);
     }
 
     public Employee(BankAccount bankAccount) {
+        this();
+        this.bankAccount = bankAccount;
     }
 
     public BankAccount getBankAccount() {
-        return null;
+        return bankAccount;
     }
 
     public void setBankAccount(BankAccount bankAccount) {
+        this.bankAccount = bankAccount;
+    }
+
+    @Override
+    public void increaseHoursWorked(Double numberOfHours) {
+        hoursWorked += numberOfHours;
+    }
+
+    @Override
+    public Double getHoursWorked() {
+        return hoursWorked;
+    }
+
+    @Override
+    public Double getHourlyWage() {
+        return hourlyWage;
+    }
 
+    @Override
+    public Double getMoneyEarned() {
+        return hourlyWage * hoursWorked;
     }
 }