done

StringArrayUtils.java

@@ -42,7 +42,7 @@ public class StringArrayUtils {
      * @return true if the array contains the specified `value`
      */ // TODO
     public static boolean contains(String[] array, String value) {
-        return Arrays.asList(array).contains(value);   
+        return Arrays.asList(array).contains(value);
     }
 
     /**
@@ -71,12 +71,19 @@ public class StringArrayUtils {
      * @return true if each letter in the alphabet has been used in the array
      */ // TODO
     public static boolean isPangramic(String[] array) {
-        String[] alpha = "abcdefghijklmnopqrstuvwxyz".split("");
-        System.out.println(alpha);
+        String[] alpha = {"a","b","c","d","e","f","g","h","i","j",
+                          "k","l","m","n","o","p","q","r","s","t",
+                          "u","v","w","x","y","z"};
+        String result = "";   
+        int count = 0;
+        for (String e : array) {
+            result += e.replace(" ", "");
+        }
+        String[] check = result.toLowerCase().split("");
         for (String letter : alpha) {
-            if(!contains(array, letter)) return false; 
+            if (contains(check, letter)) count++;
         }
-        return true;
+        return count == alpha.length;
     }
 
     /**
@@ -98,18 +105,24 @@ public class StringArrayUtils {
      * @return array with identical contents excluding values of `value`
      */ // TODO
     public static String[] removeValue(String[] array, String valueToRemove) {
-    String[] result = array.toString()
-                           .replaceAll(valueToRemove, "")
-                           .split("");
-    return result;
+    ArrayList<String> result = new ArrayList<>();
+    for (String s : array) {
+        if (!s.equals(valueToRemove)) result.add(s);
+    }    
+    return result.toArray(new String[result.size()]);
     }
 
     /**
      * @param array array of chars
      * @return array of Strings with consecutive duplicates removes
      */ // TODO
-    public static String[] removeConsecutiveDuplicates(String[] array) {
-        return null;
+    public static String[] removeConsecutiveDuplicates(String[] array) {        
+        ArrayList<String> result = new ArrayList<>();
+        for (int i = 0; i < array.length - 1; i++) {
+            if (!array[i].equals(array[i + 1])) result.add(array[i]); 
+        }
+        result.add(array[array.length - 1]);
+        return result.toArray(new String[result.size()]);
     }
 
     /**
@@ -117,7 +130,21 @@ 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;
+        ArrayList<String> result = new ArrayList<>();
+        StringBuilder addMe = new StringBuilder();
+        for (int i = 0; i < array.length - 1; i++) {          
+            if (!array[i].equals(array[i + 1])) {
+                addMe.append(array[i]);
+                result.add(addMe.toString());
+                addMe = new StringBuilder();
+            }
+            else {
+                addMe.append(array[i]);
+            }
+        }
+        addMe.append(array[array.length - 1]);
+        result.add(addMe.toString());
+        return result.toArray(new String[result.size()]);
     }
 
 

StringArrayUtilsTest.java

@@ -179,7 +179,7 @@ public class StringArrayUtilsTest {
     public void testContainsTwo() {
        String[] array = {"Five quacking", "zephyrs", "jolt my", "wax bed"};
        for (String s : array) {
-           boolean outcome = StringArrayUtils.contains(array, "a");
+           boolean outcome = StringArrayUtils.contains(array, s);
            Assert.assertTrue(outcome);
        }
         

package.bluej

@@ -2,18 +2,18 @@
 dependency1.from=StringArrayUtilsTest
 dependency1.to=StringArrayUtils
 dependency1.type=UsesDependency
-editor.fx.0.height=722
-editor.fx.0.width=800
-editor.fx.0.x=240
-editor.fx.0.y=24
-objectbench.height=101
+editor.fx.0.height=712
+editor.fx.0.width=910
+editor.fx.0.x=143
+editor.fx.0.y=59
+objectbench.height=164
 objectbench.width=776
 package.divider.horizontal=0.6
-package.divider.vertical=0.8007380073800738
-package.editor.height=427
+package.divider.vertical=0.6845018450184502
+package.editor.height=364
 package.editor.width=674
-package.editor.x=254
-package.editor.y=74
+package.editor.x=112
+package.editor.y=174
 package.frame.height=600
 package.frame.width=800
 package.numDependencies=1