finished

src/main/java/com/zipcodewilmington/arrayutility/ArrayUtility.java

@@ -1,7 +1,68 @@
 package com.zipcodewilmington.arrayutility;
 
-/**
- * Created by leon on 3/6/18.
- */
-public class ArrayUtility {
+import java.lang.reflect.Array;
+import java.util.Arrays;
+
+public class ArrayUtility<T> {
+
+    private T[] inputArray;
+
+    public ArrayUtility(T[] inputArray) {
+        this.inputArray = inputArray;
+    }
+
+    public Integer countDuplicatesInMerge(T[] arrayToMerge, T valueToEvaluate) {
+        Integer count = 0;
+        count += getNumberOfOccurrences(valueToEvaluate);
+        for (T t : arrayToMerge){
+            if (t.equals(valueToEvaluate)){
+                count++;
+            }
+        }
+        return count;
+    }
+
+    public Integer getNumberOfOccurrences(T valueToEvaluate) {
+        Integer count = 0;
+        for (T t : inputArray){
+            if (t.equals(valueToEvaluate)){
+                count++;
+            }
+        }
+        return count;
+    }
+
+    public T[] removeValue(T valueToRemove) {
+        Integer count = getNumberOfOccurrences(valueToRemove);
+        T[] arr = (T[]) Array.newInstance(inputArray.getClass().getComponentType(), inputArray.length-count);
+        for (int i=0, j=0; i<inputArray.length-1; i++){
+            if (!(inputArray[i].equals(valueToRemove))){
+                arr[j] = inputArray[i];
+                j++;
+            }
+        }
+        return arr;
+    }
+
+    public T getMostCommonFromMerge(T[] arrayToMerge) {
+        T[] mergedArr = mergeArray(arrayToMerge);
+        T mostCommonT = mergedArr[0];
+        int count = 1;
+        for (T t : mergedArr){
+            if (getNumberOfOccurrences(t) > count){
+                count = getNumberOfOccurrences(t);
+                mostCommonT = t;
+            }
+        }
+        return mostCommonT;
+    }
+
+    public T[] mergeArray(T[] arrayToMerge){
+        T[] mergedArr = Arrays.copyOf(inputArray, inputArray.length + arrayToMerge.length);
+        for (int i=0; i<arrayToMerge.length-1; i++){
+            mergedArr[i+inputArray.length] = arrayToMerge[i];
+        }
+        return mergedArr;
+    }
+
 }

src/test/java/com/zipcodewilmington/arrayutility/RemoveValueTest.java

@@ -1,6 +1,6 @@
 package com.zipcodewilmington.arrayutility;
 
-import com.zipcodewilmington.UnitTestingUtils;
+import com.zipcodewilmington.arrayutility.UnitTestingUtils;
 import org.junit.Test;
 
 /**