diff --git a/src/main/java/com/zipcodewilmington/assessment2/part1/BasicUtilities.java b/src/main/java/com/zipcodewilmington/assessment2/part1/BasicUtilities.java
index 1402353..71dd459 100644
--- a/src/main/java/com/zipcodewilmington/assessment2/part1/BasicUtilities.java
+++ b/src/main/java/com/zipcodewilmington/assessment2/part1/BasicUtilities.java
@@ -1,19 +1,22 @@
 package com.zipcodewilmington.assessment2.part1;
 
+import java.io.CharConversionException;
+
 public class BasicUtilities {
     public Boolean isGreaterThan5(Integer value) {
-        return null;
+
+        return value >= 5;
     }
 
     public Boolean isLessThan7(Integer value) {
-        return null;
+        return value <= 7;
     }
 
     public Boolean isBetween5And7(Integer valueToEvaluate) {
-        return null;
+        return isGreaterThan5(valueToEvaluate) && isLessThan7(valueToEvaluate);
     }
 
     public Boolean startsWith(String string, Character character) {
-        return null;
+        return Character.toLowerCase(string.charAt(0)) == character || Character.toUpperCase(string.charAt(0)) == character;
     }
 }
diff --git a/src/main/java/com/zipcodewilmington/assessment2/part1/IntegerArrayUtilities.java b/src/main/java/com/zipcodewilmington/assessment2/part1/IntegerArrayUtilities.java
index a360000..73b0cf9 100644
--- a/src/main/java/com/zipcodewilmington/assessment2/part1/IntegerArrayUtilities.java
+++ b/src/main/java/com/zipcodewilmington/assessment2/part1/IntegerArrayUtilities.java
@@ -2,18 +2,26 @@
 
 public class IntegerArrayUtilities {
     public Boolean hasEvenLength(Integer[] array) {
-        return null;
+
+        return array.length % 2 == 0;
     }
 
     public Integer[] range(int start, int stop) {
-        return null;
+        Integer[] testArray = new Integer[stop - start + 1];
+        for (int i = 0; i < testArray.length; i++) {
+            testArray[i] = start;
+            start++;
+        }
+        return testArray;
     }
 
     public Integer getSumOfFirstTwo(Integer[] array) {
-        return null;
+
+        return array[0] + array[1];
     }
 
     public Integer getProductOfFirstTwo(Integer[] array) {
-        return null;
+
+        return array[array.length -1] * array[array.length - 2];
     }
 }
diff --git a/src/main/java/com/zipcodewilmington/assessment2/part1/WuTangConcatenator.java b/src/main/java/com/zipcodewilmington/assessment2/part1/WuTangConcatenator.java
index 63f210e..620a18e 100644
--- a/src/main/java/com/zipcodewilmington/assessment2/part1/WuTangConcatenator.java
+++ b/src/main/java/com/zipcodewilmington/assessment2/part1/WuTangConcatenator.java
@@ -1,18 +1,21 @@
 package com.zipcodewilmington.assessment2.part1;
 
 public class WuTangConcatenator {
+    private Integer input;
+
     public WuTangConcatenator(Integer input) {
+        this.input = input;
     }
 
     public Boolean isWu() {
-        return null;
+        return input % 3 == 0; // either with this. or without works
     }
 
     public Boolean isTang() {
-        return null;
+        return this.input % 5 == 0;
     }
 
     public Boolean isWuTang() {
-        return null;
+        return this.input % 15 == 0;
     }
 }
diff --git a/src/main/java/com/zipcodewilmington/assessment2/part2/ArrayUtility.java b/src/main/java/com/zipcodewilmington/assessment2/part2/ArrayUtility.java
index de2f799..6287724 100644
--- a/src/main/java/com/zipcodewilmington/assessment2/part2/ArrayUtility.java
+++ b/src/main/java/com/zipcodewilmington/assessment2/part2/ArrayUtility.java
@@ -1,19 +1,63 @@
 package com.zipcodewilmington.assessment2.part2;
 
+import com.j256.ormlite.stmt.query.In;
+
+import java.util.ArrayList;
+import java.util.Arrays;
+import java.util.Collections;
+
 public class ArrayUtility {
     public Integer[] merge(Integer[] array1, Integer[] array2) {
-        return null;
+        Integer[] result = new Integer[array1.length + array2.length];
+        System.arraycopy(array1, 0, result, 0, array1.length);
+        System.arraycopy(array2, 0, result, array1.length, array2.length);
+        return result;
     }
 
     public Integer[] rotate(Integer[] array, Integer index) {
-        return null;
+        Integer[] rotatedArray = new Integer[array.length];
+        int newIndex = 0;
+
+        for (int i = 0; i < array.length; i++) {
+            newIndex = i >= index ? i - index : array.length - (index - i);
+
+            rotatedArray[newIndex] = array[i];
+        }
+        return rotatedArray;
     }
 
     public Integer countOccurrence(Integer[] array1, Integer[] array2, Integer valueToEvaluate) {
-        return null;
+        int intCount = 0;
+        Integer[] result = new Integer[array1.length + array2.length];
+        result = merge(array1, array2);
+        for (int i = 0; i < result.length; i++) {
+            if (result[i].equals(valueToEvaluate)) {
+                intCount++;
+            }
+        }
+        return intCount;
     }
 
     public Integer mostCommon(Integer[] array) {
-        return null;
+        Integer count = 1;
+        Object mostPop = array[0];
+        Integer tempCount;
+        Object temp = 0;
+
+        for (int i = 0; i < array.length; i++) {
+            temp = array[i];
+            tempCount = 0;
+            for (int j = 0; j < array.length; j++) {
+                if (temp == array[j]) {
+                    tempCount++;
+                }
+                if ((tempCount > count)) {
+                    mostPop = temp;
+                    count = tempCount;
+                }
+            }
+        }
+        return (Integer) mostPop;
     }
 }
+
diff --git a/src/main/java/com/zipcodewilmington/assessment2/part2/ListUtility.java b/src/main/java/com/zipcodewilmington/assessment2/part2/ListUtility.java
index e978685..fdeea08 100644
--- a/src/main/java/com/zipcodewilmington/assessment2/part2/ListUtility.java
+++ b/src/main/java/com/zipcodewilmington/assessment2/part2/ListUtility.java
@@ -1,29 +1,93 @@
 package com.zipcodewilmington.assessment2.part2;
 
-import java.util.List;
+import com.j256.ormlite.stmt.query.In;
+
+import java.util.*;
+import java.util.logging.Level;
+import java.util.stream.Collectors;
+
 
 public class ListUtility {
+    ArrayList<Integer> testList = new ArrayList<>();
+
     public Boolean add(int i) {
-        return null;
+        testList.add(i);
+        //System.out.println(testList.contains(i));
+        return testList.contains(i);
     }
 
     public Integer size() {
-        return null;
+
+        return testList.size();
     }
 
     public List<Integer> getUnique() {
-        return null;
+        Set<Integer> uniqueSet;
+        uniqueSet = new HashSet<Integer>(testList);
+        return new ArrayList<Integer>(uniqueSet);
     }
 
     public String join() {
-        return null;
+        StringBuilder arrayString = new StringBuilder("");
+        for (int i = 0; i < testList.size() - 1; i++) {
+            arrayString.append(testList.get(i)).append(", ");
+        }
+        arrayString.append(testList.get(testList.size() - 1));
+        return arrayString.toString();
     }
 
     public Integer mostCommon() {
+
+        HashMap<Integer, Integer> elementCountMap = new HashMap<Integer, Integer>();
+        for (int i : testList)
+            if (elementCountMap.containsKey(i)) {
+                elementCountMap.put(i, elementCountMap.get(i) + 1);
+            } else {
+                elementCountMap.put(i, 1);
+            }
+        System.out.println(elementCountMap.keySet());
+        System.out.println(elementCountMap.values());
+
+        Integer element = 0;
+        Integer frequency = 1;
+
+//
+//        for (Map.Entry entry : elementCountMap.entrySet()) {
+//            if (entry.getValue() > frequency) {
+//                element = entry.getKey();
+//
+//                frequency = entry.getValue();
+//            }
+//        }
+////        Map<Integer, Integer> element = new HashMap<>();
+//        for (int i : testList) {
+//            if (element.containsKey(i)) {
+//                element.put(i, element.get(i) + 1);
+//            } else {
+//                element.put(i, 1);
+//            }
+//        }
+//        Integer frequency = 0;
+//        if(!element.isEmpty()) {
+//            Iterator it = element.entrySet().iterator();
+//            while(it.hasNext()) {
+//                if (element)
+//            }
+//
+//
+//        Integer mostCom = 0;
+//        Set<Map.Entry<Integer,Integer> >mostOften = element.entrySet();
+//        for (Map.Entry<Integer, Integer> ent : mostOften) {
+//            if (ent.getValue() > frequency) {
+//                mostCom = ent.getKey();
+//            }
+//        }
         return null;
     }
 
-    public Boolean contains(Integer valueToAdd) {
-        return null;
+
+        public Boolean contains (Integer valueToAdd){
+            System.out.println(testList);
+            return testList.contains(valueToAdd);
+        }
     }
-}
diff --git a/src/main/java/com/zipcodewilmington/assessment2/part2/Router.java b/src/main/java/com/zipcodewilmington/assessment2/part2/Router.java
index 2267425..51352f4 100644
--- a/src/main/java/com/zipcodewilmington/assessment2/part2/Router.java
+++ b/src/main/java/com/zipcodewilmington/assessment2/part2/Router.java
@@ -1,20 +1,44 @@
 package com.zipcodewilmington.assessment2.part2;
 
+import java.util.HashMap;
+import java.util.Iterator;
+import java.util.Map;
+
 public class Router {
+
+    Map<String, String> testMap = new HashMap<>();
+
     public void add(String path, String controller) {
+
+        testMap.put(path, controller);
     }
 
     public Integer size() {
-        return null;
+
+        return testMap.size();
     }
 
     public String getController(String path) {
-        return null;
+
+        return testMap.get(path);
     }
 
     public void update(String path, String studentController) {
+        testMap.put(path, studentController);
     }
 
     public void remove(String path) {
+        testMap.remove(path);
+    }
+
+    public String toString(String path, String Controller) {
+//        StringBuilder keyValues = new StringBuilder("");
+//        Iterator<String> keyValueSet = testMap.keySet().iterator();
+//        while (keyValueSet.hasNext()) {
+//            keyValues.append("\n").append(keyValueSet.next()).append(" -> ").append(testMap.get(keyValueSet.next()));
+//
+//        }
+
+        return ""; //keyValues.toString();
     }
 }
diff --git a/src/main/java/com/zipcodewilmington/assessment2/part3/Bird.java b/src/main/java/com/zipcodewilmington/assessment2/part3/Bird.java
index ee230c5..c63670d 100644
--- a/src/main/java/com/zipcodewilmington/assessment2/part3/Bird.java
+++ b/src/main/java/com/zipcodewilmington/assessment2/part3/Bird.java
@@ -1,7 +1,18 @@
 package com.zipcodewilmington.assessment2.part3;
 
-public class Bird {
+public class Bird implements Animal{
     public String move() {
+
+        return "fly";
+    }
+
+    @Override
+    public int getSpeed() {
+        return 0;
+    }
+
+    @Override
+    public String color() {
         return null;
     }
 
diff --git a/src/main/java/com/zipcodewilmington/assessment2/part3/BlueJay.java b/src/main/java/com/zipcodewilmington/assessment2/part3/BlueJay.java
index f18d13a..4f3ad40 100644
--- a/src/main/java/com/zipcodewilmington/assessment2/part3/BlueJay.java
+++ b/src/main/java/com/zipcodewilmington/assessment2/part3/BlueJay.java
@@ -1,4 +1,18 @@
 package com.zipcodewilmington.assessment2.part3;
 
-public class BlueJay {
+public class BlueJay extends Bird {
+    @Override
+    public String move() {
+        return "fly";
+    }
+
+    @Override
+    public int getSpeed() {
+        return 13;
+    }
+
+    @Override
+    public String color() {
+        return "blue";
+    }
 }
diff --git a/src/main/java/com/zipcodewilmington/assessment2/part3/Horse.java b/src/main/java/com/zipcodewilmington/assessment2/part3/Horse.java
index e78cf2b..e033c1c 100644
--- a/src/main/java/com/zipcodewilmington/assessment2/part3/Horse.java
+++ b/src/main/java/com/zipcodewilmington/assessment2/part3/Horse.java
@@ -1,4 +1,18 @@
 package com.zipcodewilmington.assessment2.part3;
 
-public class Horse{
+public class Horse implements Animal{
+    @Override
+    public String move() {
+        return "gallop";
+    }
+
+    @Override
+    public int getSpeed() {
+        return 40;
+    }
+
+    @Override
+    public String color() {
+        return "brown";
+    }
 }
diff --git a/src/main/java/com/zipcodewilmington/assessment2/part3/RedRobin.java b/src/main/java/com/zipcodewilmington/assessment2/part3/RedRobin.java
index c1e85f2..e7d329b 100644
--- a/src/main/java/com/zipcodewilmington/assessment2/part3/RedRobin.java
+++ b/src/main/java/com/zipcodewilmington/assessment2/part3/RedRobin.java
@@ -1,4 +1,23 @@
 package com.zipcodewilmington.assessment2.part3;
 
-public class RedRobin {
+public class RedRobin extends Bird {
+
+
+    String migrationMonth;
+
+    @Override
+    public String getMigrationMonth() {
+        return "August";
+    }
+
+    @Override
+    public int getSpeed() {
+        return 10;
+    }
+
+    @Override
+    public String color() {
+        return "red";
+    }
+
 }
diff --git a/src/main/java/com/zipcodewilmington/assessment2/part3/SpeedComparator.java b/src/main/java/com/zipcodewilmington/assessment2/part3/SpeedComparator.java
index 532e766..dcab6c1 100644
--- a/src/main/java/com/zipcodewilmington/assessment2/part3/SpeedComparator.java
+++ b/src/main/java/com/zipcodewilmington/assessment2/part3/SpeedComparator.java
@@ -1,4 +1,18 @@
 package com.zipcodewilmington.assessment2.part3;
 
-public class SpeedComparator {
+import java.util.ArrayList;
+import java.util.Collections;
+import java.util.Comparator;
+import java.util.List;
+
+public class SpeedComparator implements Comparator<Animal> {
+
+        List<Animal> SpeedCompare = new ArrayList<Animal>();
+    public int compare(Animal animal1, Animal animal2) {
+        if (animal1.getSpeed() == animal2.getSpeed())
+            return 0;
+        else if (animal1.getSpeed() > animal2.getSpeed())
+            return 1;
+        else return -1;
+    }
 }