Passed all Tests

pom.xml

@@ -7,6 +7,18 @@
     <groupId>com.zipcodewilmington.labs</groupId>
     <artifactId>arrayutils</artifactId>
     <version>1.0-SNAPSHOT</version>
+    <build>
+        <plugins>
+            <plugin>
+                <groupId>org.apache.maven.plugins</groupId>
+                <artifactId>maven-compiler-plugin</artifactId>
+                <configuration>
+                    <source>11</source>
+                    <target>11</target>
+                </configuration>
+            </plugin>
+        </plugins>
+    </build>
     <dependencies>
         <dependency>
             <groupId>junit</groupId>

src/main/java/com/zipcodewilmington/StringArrayUtils.java

@@ -1,5 +1,7 @@
 package com.zipcodewilmington;
 
+import java.util.*;
+
 /**
  * Created by leon on 1/29/18.
  */
@@ -17,23 +19,24 @@ public static String getFirstElement(String[] array) {
      * @return second element in specified array
      */
     public static String getSecondElement(String[] array) {
-        return array[1];
+       return array[1];
     }
 
     /**
      * @param array array of String objects
      * @return last element in specified array
      */ // TODO
     public static String getLastElement(String[] array) {
-        return null;
+
+      return array[array.length-1];
     }
 
     /**
      * @param array array of String objects
      * @return second to last element in specified array
      */ // TODO
     public static String getSecondToLastElement(String[] array) {
-        return null;
+        return array[array.length-2];
     }
 
     /**
@@ -42,31 +45,48 @@ public static String getSecondToLastElement(String[] array) {
      * @return true if the array contains the specified `value`
      */ // TODO
     public static boolean contains(String[] array, String value) {
-        return false;
+        List <String> arrayList = new ArrayList<String>(Arrays.asList(array));
+        return arrayList.contains(value);
     }
 
     /**
      * @param array of String objects
      * @return an array with identical contents in reverse order
      */ // TODO
     public static String[] reverse(String[] array) {
-        return null;
+        String [] revArray = new String[array.length];
+        int newArray = 0;
+        for (int i = array.length - 1; i >= 0; i--) {
+            revArray[newArray] = array[i];
+            newArray++;
+        }
+        return revArray;
     }
 
     /**
      * @param array array of String objects
      * @return true if the order of the array is the same backwards and forwards
      */ // TODO
     public static boolean isPalindromic(String[] array) {
-        return false;
+        String[] revArray = reverse(array);
+        return Arrays.equals(revArray, array);
     }
 
     /**
      * @param array array of String objects
      * @return true if each letter in the alphabet has been used in the array
      */ // TODO
     public static boolean isPangramic(String[] array) {
-        return false;
+        String pangramic = Arrays.toString(array);
+        pangramic = pangramic.toLowerCase(Locale.ROOT);
+        if (pangramic.length() < 26) {
+            return false;
+        } else
+                for (char i = 'a'; i <= 'z'; i++) {
+                if (pangramic.indexOf(i) == -1)
+                    return false;
+        }
+        return true;
     }
 
     /**
@@ -75,7 +95,9 @@ public static boolean isPangramic(String[] array) {
      * @return number of occurrences the specified `value` has occurred
      */ // TODO
     public static int getNumberOfOccurrences(String[] array, String value) {
-        return 0;
+        List <String> arrayList = new ArrayList<String>(Arrays.asList(array));
+        return Collections.frequency(arrayList,value); //collections holds different methods I can use
+
     }
 
     /**
@@ -84,23 +106,50 @@ public static int getNumberOfOccurrences(String[] array, String value) {
      * @return array with identical contents excluding values of `value`
      */ // TODO
     public static String[] removeValue(String[] array, String valueToRemove) {
-        return null;
+        List <String> arrayList = new ArrayList<String>(Arrays.asList(array));
+        while (arrayList.contains(valueToRemove)) {
+            arrayList.remove(valueToRemove);
+        }
+        return arrayList.toArray(new String [0]);
     }
 
     /**
      * @param array array of chars
      * @return array of Strings with consecutive duplicates removes
      */ // TODO
     public static String[] removeConsecutiveDuplicates(String[] array) {
-        return null;
+
+          List <String> arrayList = new ArrayList<String>();
+          String previousElement = "";
+          for (String element : array) {
+              if (element != previousElement) { //if the current element is not equal to the previous then add the element, this will pass over the elemets that are the same
+                  arrayList.add(element);
+              }
+              previousElement = element;
+              }
+
+
+     return arrayList.toArray(new String[0]);
     }
 
     /**
      * @param array array of chars
      * @return array of Strings with each consecutive duplicate occurrence concatenated as a single string in an array of Strings
      */ // TODO
     public static String[] packConsecutiveDuplicates(String[] array) {
-        return null;
+        int lastIndex = 0;
+        List <String> arrayList = new ArrayList <String>();
+        arrayList.add(array[0]); //start at index 0
+        for (int i = 1; i < array.length; i++) { // this will start looping at the 1st index that does not have the same character
+            if (arrayList.get(lastIndex).contains(array[i])) { // this is saying if the last index has the current character
+                arrayList.set(lastIndex, (arrayList.get(lastIndex) + array[i])); // will add the duplicate letter to the previous letter
+            }
+            else {                          // if they are not the same, nothing with be packed together because we are missing duplicates
+                lastIndex++;                // go to the next index and have that non duplicate letter start here
+                arrayList.add(array[i]);
+            }
+        }
+        return arrayList.toArray(new String[0]); // return string array
     }