completed StringArrayUtils

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>6</source>
+                    <target>6</target>
+                </configuration>
+            </plugin>
+        </plugins>
+    </build>
     <dependencies>
         <dependency>
             <groupId>junit</groupId>

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

@@ -1,5 +1,8 @@
 package com.zipcodewilmington;
 
+import java.util.ArrayList;
+import java.util.Arrays;
+
 /**
  * Created by leon on 1/29/18.
  */
@@ -9,7 +12,7 @@ public class StringArrayUtils {
      * @return first element of specified array
      */ // TODO
     public static String getFirstElement(String[] array) {
-        return null;
+        return array[0];
     }
 
     /**
@@ -17,7 +20,7 @@ public class StringArrayUtils {
      * @return second element in specified array
      */
     public static String getSecondElement(String[] array) {
-        return null;
+        return array[1];
     }
 
     /**
@@ -25,7 +28,8 @@ 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 +37,7 @@ 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];
     }
 
     /**
@@ -42,6 +46,11 @@ public class StringArrayUtils {
      * @return true if the array contains the specified `value`
      */ // TODO
     public static boolean contains(String[] array, String value) {
+
+        for (String n : array) {
+            if (value == n)
+                return true;
+        }
         return false;
     }
 
@@ -50,15 +59,27 @@ public class StringArrayUtils {
      * @return an array with identical contents in reverse order
      */ // TODO
     public static String[] reverse(String[] array) {
-        return null;
+        String[] rev = new String[array.length];
+        int x = 0;
+        for (int i = array.length - 1; i >= 0; i--) {
+            rev[x] = array[i];
+            x++;
+        }
+        return rev;
     }
 
+
     /**
      * @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;
+        for (int i = 0; i < array.length / 2; i++) {
+            if (array[i] != array[array.length - 1 - i]) {
+                return false;
+            }
+        }
+        return true;
     }
 
     /**
@@ -66,7 +87,21 @@ 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;
+        boolean isAPanGramic = true;
+        String strLower = "";
+
+        for (String var : array) {
+            strLower = strLower.concat(var.toLowerCase());
+        }
+        //loop through ANSI lower case values a-z
+        // IF! contains - boolean set to false
+        for (int i = 97; i <= 122; i++) {
+            if (!strLower.contains(Character.toString((char) i))) {
+                isAPanGramic = false;
+            }
+        }
+        return isAPanGramic;
+
     }
 
     /**
@@ -75,7 +110,17 @@ public class StringArrayUtils {
      * @return number of occurrences the specified `value` has occurred
      */ // TODO
     public static int getNumberOfOccurrences(String[] array, String value) {
-        return 0;
+        int count = 0;
+
+        for (int i = 0; i < array.length; i++) {
+            String currentInt = array[i];
+
+            if (value == array[i]) {
+                count++;
+            }
+        }
+
+        return count;
     }
 
     /**
@@ -84,15 +129,39 @@ public class StringArrayUtils {
      * @return array with identical contents excluding values of `value`
      */ // TODO
     public static String[] removeValue(String[] array, String valueToRemove) {
-        return null;
+        String[] str = new String[array.length];
+        int j = 0;
+
+        for (int i = 0; i < array.length; i++) {
+            if (!valueToRemove.equals(array[i])) {
+                str[j] = array[i];
+                j = j + 1;
+                System.out.println(Arrays.toString(str));
+
+            }
+        }
+        //create a new array of length j
+
+        return Arrays.copyOf(str, j);
     }
 
+
     /**
      * @param array array of chars
      * @return array of Strings with consecutive duplicates removes
      */ // TODO
     public static String[] removeConsecutiveDuplicates(String[] array) {
-        return null;
+        ArrayList<String> dups = new ArrayList<String>();
+        for (int i = 0; i < array.length; i++) {
+            if (i + 1 < array.length && (array[i].equals(array[i + 1]))) {
+                continue;
+            } else {
+                dups.add(array[i]);
+            }
+        }
+        String[] name = dups.toArray(new String[dups.size()]);
+
+        return name;
     }
 
     /**
@@ -100,8 +169,41 @@ public class StringArrayUtils {
      * @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;
+        //String[] dups = new String[array.length];
+        ArrayList<String> str = new ArrayList<String>();
+
+        int length = array.length;
+
+        StringBuffer sbTemp = new StringBuffer("");
+        boolean flag = false;
+        int i = 0;
+        while (i < length - 1) {
+            if (array[i].equalsIgnoreCase(array[i + 1])) {
+                flag = true;
+                sbTemp.append(array[i]);
+            } else {
+                if (flag == true) {
+                    sbTemp.append(array[i]);
+                    str.add(sbTemp.toString());
+                    sbTemp = new StringBuffer("");
+                } else {
+                    str.add(array[i]);
+                }
+                flag = false;
+            }
+                i++;
+            }
+            if (flag == true) {
+                sbTemp.append(array[i]);
+                str.add(sbTemp.toString());
+                sbTemp = new StringBuffer("");
+            } else {
+                str.add(array[i]);
+            }
+            String[] dups = str.toArray(new String[str.size()]);
+            return dups;
+        }
+
     }
 
 
-}