Done

StringArrayUtils.java

@@ -145,32 +145,57 @@ public class StringArrayUtils {
     public static String[] removeConsecutiveDuplicates(String[] array) {
         int count = 0;
         int duplicate = 0;
-        
-        for(int i = 0; i < array.length; i++){
+
+        for(int i = 0; i < array.length - 1; i++){
             if (array[i].equals(array[i+1])){
                 count++;
             }
         }
-        
-        String []arr = new String [array.length - counter];
-        String strCheese = 
+
+        String []arr = new String [array.length - count];
+        String strCheese = null;
         for(int i= 0;i < array.length; i++){
-            if(!array[i].equals()){
-            
+            if(!array[i].equals(strCheese)){
+                arr[duplicate] = array[i];
+                strCheese = array[i];
+                duplicate++;
             }
-        
+
         }
-        return null;
-        
+        return arr;
 
     }
-}
     /**
      * @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 count = getCount(array);
+        String [] result = new String[array.length - count];
+        String last = array[0];
+        result[0] = array[0];
+        int index = 0;
+        
+        for (int i = 1; i < array.length; i++){
+        if (array[i].equals(last)){
+            result[index] += array[i];
+        }else{
+            index++;
+            result[index] = array[i];
+            last = array[i];
+        }
+        }
+        return result;
+    }
+
+    public static int getCount(String [] array){
+        int count = 0;
+        for(int i = 0; i < array.length - 1; i++){
+            if(array[i].equals(array[i+1])){
+                count++;
+            }
+        }
+        return count;
     }
 
 }