Better safe than sorry

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

@@ -1,7 +1,53 @@
 package com.zipcodewilmington.arrayutility;
+import java.util.Arrays;
+import java.util.HashMap;
+import java.util.stream.Stream;
 
-/**
- * Created by leon on 3/6/18.
- */
-public class ArrayUtility {
+public class ArrayUtility <T> {
+    private T[] inputArray;
+
+    public ArrayUtility(){}
+    public ArrayUtility(T[] inputArray) {
+        this.inputArray = (T[]) inputArray;
+    }
+
+    public T getMostCommonFromMerge(T[] arrayToMerge) {
+        T[] mergeArray = Arrays.copyOf(inputArray, inputArray.length + arrayToMerge.length);
+        for(int i = 0; i<mergeArray.length; i++){
+            mergeArray[i+ inputArray.length] = arrayToMerge[i];
+        }
+
+        HashMap<T, Integer> repeats = new HashMap<>();
+        Integer mostCommon = 0;
+        for (int i = 0; i < mergeArray.length; i++) {
+            int count = 0;
+            for (int j = 0; j < mergeArray.length; j++) {
+                if (mergeArray[i] == mergeArray[j]) {
+                    count++;
+                }
+            }
+
+            if (count > 1) {
+                if (!repeats.containsKey(mergeArray[i])) {
+                    repeats.put(mergeArray[i], count);
+                    mostCommon += count;
+                }
+            }
+        }
+        T dupe = (T) repeats.get(0);
+        return dupe;
+    }
+
+
+    public T[] removeValue(T valueToRemove) {
+        return (T[]) inputArray;
+    }
+
+    public Integer countDuplicatesInMerge(T[] arrayToMerge, T valueToEvaluate) {
+        return null;
+    }
+
+    public Integer getNumberOfOccurrences(T valueToEvaluate) {
+        return null;
+    }
 }

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

@@ -7,7 +7,7 @@ import org.junit.Test;
  * Created by leon on 3/1/18.
  * The purpose of this class is to thoroughly test the method getMostCommonFromMerge()
  */
-public class GetMostCommonFromMergeTest {
+public class GetMostCommonFromMergeTest <T> {
     @Test
     public void integerTest() {
         // Given
@@ -69,4 +69,4 @@ public class GetMostCommonFromMergeTest {
         // Then
         Assert.assertEquals(expected, actual);
     }
-}
+}

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

@@ -1,6 +1,5 @@
 package com.zipcodewilmington.arrayutility;
 
-import com.zipcodewilmington.UnitTestingUtils;
 import org.junit.Test;
 
 /**