commiting changes

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

@@ -1,4 +1,5 @@
 package com.zipcodewilmington;
+import java.util.Arrays;
 
 /**
  * Created by leon on 1/29/18.
@@ -9,7 +10,7 @@ public class StringArrayUtils {
      * @return first element of specified array
      */ // TODO
     public static String getFirstElement(String[] array) {
-        return null;
+        return array[0];
     }
 
     /**
@@ -17,7 +18,7 @@ public class StringArrayUtils {
      * @return second element in specified array
      */
     public static String getSecondElement(String[] array) {
-        return null;
+        return array[1];
     }
 
     /**
@@ -25,7 +26,7 @@ public class StringArrayUtils {
      * @return last element in specified array
      */ // TODO
     public static String getLastElement(String[] array) {
-        return null;
+        return array[array.length - 1];
     }
 
     /**
@@ -33,7 +34,7 @@ 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];
     }
 
     /**
@@ -42,7 +43,17 @@ public class StringArrayUtils {
      * @return true if the array contains the specified `value`
      */ // TODO
     public static boolean contains(String[] array, String value) {
-        return false;
+
+        boolean result = false;
+
+        for (String s : array) {
+
+            if (s.equals(value))
+                result = true;
+
+        }
+
+        return result;
     }
 
     /**
@@ -50,7 +61,18 @@ public class StringArrayUtils {
      * @return an array with identical contents in reverse order
      */ // TODO
     public static String[] reverse(String[] array) {
-        return null;
+
+        String[] result = new String[array.length];
+        int j = 0;
+
+        for (int i = (array.length - 1); i >= 0; i--) {
+
+            result[j] = array[i];
+            j++;
+
+        }
+
+        return result;
     }
 
     /**
@@ -58,7 +80,8 @@ public class StringArrayUtils {
      * @return true if the order of the array is the same backwards and forwards
      */ // TODO
     public static boolean isPalindromic(String[] array) {
-        return false;
+
+        return Arrays.equals(array, StringArrayUtils.reverse(array));
     }
 
     /**
@@ -66,7 +89,30 @@ public class StringArrayUtils {
      * @return true if each letter in the alphabet has been used in the array
      */ // TODO
     public static boolean isPangramic(String[] array) {
-        return false;
+
+        String alpha = "abcdefghijklmnopqrstuvwxyz";
+        String original = Arrays.toString(array).replace(" ", "").toLowerCase();
+        original.replace(",", "");
+
+        char[] orig = original.toCharArray();
+        Arrays.sort(orig);
+        String ori = Arrays.toString(orig).replace(",", "").replace(" ", "").replace("[", "").replace("]", "");
+        String finalResult = "";
+
+        //Stopped here
+        for (int i = 0; i < ori.length(); i++) {
+            String currentLetter = "";
+            if(!lastLetter.equals(ori.substring(i, i+1))) {
+                lastLetter = ori.substring(i, i+1);
+                finalResult = finalResult + ori.substring(i, i+1);
+
+            }
+
+        }
+
+        System.out.println(finalResult);
+
+        return false;//finalResult.equals(alpha);
     }
 
     /**