cmd-A, cmd-V

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

@@ -1,7 +1,68 @@
 package com.zipcodewilmington.arrayutility;
 
+import java.util.Arrays;
+
 /**
- * Created by leon on 3/6/18.
+ * filename:
+ * project: question1
+ * author: https://github.com/vvmk
+ * date: 3/5/18
  */
-public class ArrayUtility {
+public class ArrayUtility<T> {
+    private T[] base;
+
+    public ArrayUtility(T[] base) {
+        this.base = base;
+    }
+
+    public int countDuplicatesInMerge(T[] arrayToMerge, T valueToCheck) {
+        mergeArrays(arrayToMerge);
+        return getNumberOfOccurrences(valueToCheck);
+    }
+
+    public T getMostCommonFromMerge(T[] arrayToMerge) {
+        T mostCommon = null;
+        int mostOccurrences = 0;
+        mergeArrays(arrayToMerge);
+        for (T t : base) {
+            int count = getNumberOfOccurrences(t);
+            if (count > mostOccurrences) {
+                mostCommon = t;
+                mostOccurrences = count;
+            }
+        }
+        return mostCommon;
+    }
+
+    public int getNumberOfOccurrences(T objectToCheck) {
+        int sum = 0;
+        for (T t : base) {
+            if (objectToCheck.equals(t))
+                sum++;
+        }
+        return sum;
+    }
+
+    public T[] removeValue(T objectToRemove) {
+        T[] ret = base;
+        for (int i = 0; i < base.length; i++) {
+            if (base[i].equals(objectToRemove)) {
+                ret = Arrays.copyOf(Arrays.copyOfRange(base, 0, i), base.length - 1);
+                System.arraycopy(base, i + 1, ret, i, base.length - i - 1);
+                base = ret;
+            }
+        }
+        return ret;
+    }
+
+    protected void mergeArrays(T[] arrayToMerge) {
+        int newSize = base.length + arrayToMerge.length;
+        base = Arrays.copyOf(base, newSize); // base should be referenceing new array that is identical except length = newSize;
+        System.arraycopy(arrayToMerge, 0, base, (newSize - arrayToMerge.length), arrayToMerge.length);
+    }
+
+    public T[] getBase() {
+        return base;
+    }
 }
+

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

@@ -1,6 +1,5 @@
 package com.zipcodewilmington.arrayutility;
 
-import com.zipcodewilmington.UnitTestingUtils;
 import org.junit.Test;
 
 /**
@@ -58,7 +57,6 @@ public class RemoveValueTest {
     }
 
 
-
     @Test
     public void objectTest() {
         // Given