completed string utils

StringArrayUtils.java

@@ -1,6 +1,7 @@
 import java.util.Arrays;
 import java.io.*;
-import java.util.*; 
+import java.util.*;
+import java.lang.StringBuilder;
 
 /**
  * Created by leon on 1/29/18.
@@ -84,7 +85,7 @@ public class StringArrayUtils {
      */ // TODO
     public static boolean isPangramic(String[] array) {
         String arrayString = Arrays.toString(array).toLowerCase();
-        
+
         if(arrayString.length() < 26){
             return false;
         }
@@ -94,7 +95,7 @@ public class StringArrayUtils {
                 return false;
             }
         }
-        
+
         return true;
     }
 
@@ -111,7 +112,7 @@ public class StringArrayUtils {
                 numberOfOccurrences += 1;
             }
         }
-        
+
         return numberOfOccurrences;
     }
 
@@ -123,7 +124,7 @@ public class StringArrayUtils {
     public static String[] removeValue(String[] array, String valueToRemove) {
         int numberOfOccurrences = getNumberOfOccurrences(array, valueToRemove);
         String[] newArray = new String[array.length - numberOfOccurrences];
-        
+
         int i = 0;
         for(String element : array){
             if(!element.equals(valueToRemove)){
@@ -133,7 +134,7 @@ public class StringArrayUtils {
         }
         return newArray;
     }
-    
+
     public static int numberOfConsecutiveDuplicates(String[] array) {
         int numberOfConsecDups = 0;
         for(int i=1; i<=array.length-1; i++){
@@ -149,7 +150,17 @@ public class StringArrayUtils {
      * @return array of Strings with consecutive duplicates removes
      */ // TODO
     public static String[] removeConsecutiveDuplicates(String[] array) {
-        
+        ArrayList<String> newList = new ArrayList<String>();
+        //add first element of array to new array
+        newList.add(array[0]);
+        //compare each element in your array starting with the second
+        for (int i=1; i<=array.length-1; i++){
+            //if an element does not equal an element before it, add to new array
+            if(!(array[i].equals(array[i-1]))){
+                newList.add(array[i]);
+            }
+        }
+        return newList.toArray(new String[0]);
     }
 
     /**
@@ -157,7 +168,25 @@ 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;
+        //create a new string using string builder
+        StringBuilder arrayAsString = new StringBuilder();
+        //add first element in array to new array string
+        arrayAsString.append(array[0]);
+        //look at each element in the array
+        for(int i=1; i<=array.length-1; i++){
+            //if the element in the array equals the previous element, add it to
+            //   the string
+            if(array[i].equals(array[i-1])){
+                arrayAsString.append(array[i]);
+            } else {
+                //if the element in the array does not equal the previous element,
+                //   add it to the string after a space
+                arrayAsString.append(" ");
+                arrayAsString.append(array[i]);
+            }
+        }
+        //convert the new string to a space split string array
+        String[] packConsecDupArray = arrayAsString.toString().split(" ");
+        return packConsecDupArray;
     }
-
 }

package.bluej

@@ -4,8 +4,8 @@ dependency1.to=StringArrayUtils
 dependency1.type=UsesDependency
 editor.fx.0.height=713
 editor.fx.0.width=800
-editor.fx.0.x=466
-editor.fx.0.y=35
+editor.fx.0.x=306
+editor.fx.0.y=23
 objectbench.height=101
 objectbench.width=461
 package.divider.horizontal=0.6
@@ -13,7 +13,7 @@ package.divider.vertical=0.8007380073800738
 package.editor.height=427
 package.editor.width=674
 package.editor.x=202
-package.editor.y=149
+package.editor.y=136
 package.frame.height=600
 package.frame.width=800
 package.numDependencies=1