updated commit

StringArrayUtils.java

@@ -1,4 +1,4 @@
- 
+import java.util.Arrays;
 
 /**
  * Created by leon on 1/29/18.
@@ -9,7 +9,7 @@ public class StringArrayUtils {
      * @return first element of specified array
      */ // TODO
     public static String getFirstElement(String[] array) {
-        return null;
+        return array[0];
     }
 
     /**
@@ -17,15 +17,15 @@ public class StringArrayUtils {
      * @return second element in specified array
      */
     public static String getSecondElement(String[] array) {
-        return null;
+        return array[1];
     }
 
     /**
      * @param array array of String objects
      * @return last element in specified array
      */ // TODO
-    public static String getLastElement(String[] array) {
-        return null;
+    public static String getLastElement(String[] array) {        
+        return array[array.length - 1];
     }
 
     /**
@@ -33,7 +33,7 @@ public class StringArrayUtils {
      * @return second to last element in specified array
      */ // TODO
     public static String getSecondToLastElement(String[] array) {
-        return null;
+        return array[array.length - 2];
     }
 
     /**
@@ -41,7 +41,13 @@ public class StringArrayUtils {
      * @param value value to check array for
      * @return true if the array contains the specified `value`
      */ // TODO
-    public static boolean contains(String[] array, String value) {
+    public static boolean contains(String[] array, String value) {        
+        
+        for(String x : array) {
+            if(value == x) {
+                return true;
+            }
+        }
         return false;
     }
 
@@ -50,7 +56,13 @@ public class StringArrayUtils {
      * @return an array with identical contents in reverse order
      */ // TODO
     public static String[] reverse(String[] array) {
-        return null;
+        
+        String[] reverseArr = new String[array.length];
+        
+        for(int i=0; i<array.length; i++){            
+            reverseArr[i] = array[array.length - i - 1];
+        }
+        return reverseArr;
     }
 
     /**
@@ -58,9 +70,22 @@ public class StringArrayUtils {
      * @return true if the order of the array is the same backwards and forwards
      */ // TODO
     public static boolean isPalindromic(String[] array) {
+        
+        String[] reverseArr = reverse(array);
+        String[] regArr = new String[array.length];
+        
+        for(int i=0; i<array.length; i++){
+             regArr[i] = array[i];
+        }
+        
+        if(regArr ==  reverseArr) {
+            return true;
+        }
         return false;
     }
 
+
+
     /**
      * @param array array of String objects
      * @return true if each letter in the alphabet has been used in the array
@@ -92,9 +117,12 @@ public class StringArrayUtils {
      * @return array of Strings with consecutive duplicates removes
      */ // TODO
     public static String[] removeConsecutiveDuplicates(String[] array) {
-        return null;
-    }
+        
 
+        
+        return null;    
+    }
+    
     /**
      * @param array array of chars
      * @return array of Strings with each consecutive duplicate occurrence concatenated as a single string in an array of Strings

StringArrayUtilsTest.java

@@ -33,19 +33,6 @@ public class StringArrayUtilsTest {
         Assert.assertEquals(expected, actual);
     }
 
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     @Test
     public void testGetSecondElement1() {
         String[] array = {"the", "quick", "brown", "fox", "jumps", "over", "the", "lazy", "dog"};
@@ -62,7 +49,6 @@ public class StringArrayUtilsTest {
         Assert.assertEquals(expected, actual);
     }
 
-
     @Test
     public void testGetSecondElement3() {
         String[] array = {"brown", "fox", "jumps", "over", "the", "lazy", "dog"};
@@ -71,16 +57,6 @@ public class StringArrayUtilsTest {
         Assert.assertEquals(expected, actual);
     }
 
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     @Test
     public void testGetLastElement1() {
         String[] array = {"the", "quick", "brown", "fox", "jumps", "over", "the", "lazy", "dog"};
@@ -106,26 +82,6 @@ public class StringArrayUtilsTest {
         Assert.assertEquals(expected, actual);
     }
 
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     @Test
     public void testGetSecondToLastElement1() {
         String[] array = {"the", "quick", "brown", "fox", "jumps", "over", "the", "lazy", "dog"};