remove left

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

@@ -1,7 +1,54 @@
 package com.zipcodewilmington.arrayutility;
 
+import java.util.Arrays;
+import java.util.List;
+
 /**
  * Created by leon on 3/6/18.
  */
-public class ArrayUtility {
+public class ArrayUtility<E> {
+
+    private E[] elementArr;
+
+    public ArrayUtility(E[] elementArr) {
+        this.elementArr = elementArr;
+    }
+
+    public Integer countDuplicatesInMerge(E[] arrayToMerge, E valueToEvaluate) {
+        Integer count = getNumberOfOccurrences(valueToEvaluate);
+        for (E e : arrayToMerge) {
+            if (valueToEvaluate == e) {
+                count++;
+            }
+        }
+        return count;
+    }
+
+    public E getMostCommonFromMerge(E[] arrayToMerge) {
+        E mostCommon = elementArr[0];
+        Integer count = countDuplicatesInMerge(arrayToMerge, mostCommon);
+        for (E e : elementArr) {
+            Integer tempCount = countDuplicatesInMerge(arrayToMerge, e);
+            if (tempCount > count) {
+                mostCommon = e;
+                count = tempCount;
+            }
+        }
+        return mostCommon;
+    }
+
+    public Integer getNumberOfOccurrences(E valueToEvaluate) {
+        Integer count = 0;
+        for (E e : elementArr) {
+            if (valueToEvaluate == e) {
+                count++;
+            }
+        }
+        return count;
+    }
+
+    public E[] removeValue(E valueToRemove) {
+        while (Arrays.asList(elementArr).remove(valueToRemove)) {}
+        return elementArr;
+    }
 }

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

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