Almost done

StringArrayUtils.java

@@ -1,5 +1,8 @@
- 
-
+import java.util.ArrayList;
+import java.util.Arrays;
+import java.util.Collections;
+import java.util.List;
+import java.util.*;
 /**
  * Created by leon on 1/29/18.
  */
@@ -7,58 +10,83 @@ public class StringArrayUtils {
     /**
      * @param array array of String objects
      * @return first element of specified array
-     */ // TODO
+     */ // DONE
     public static String getFirstElement(String[] array) {
-        return null;
+
+        return array[0];
     }
 
     /**
      * @param array array of String objects
      * @return second element in specified array
+     * DONE
      */
     public static String getSecondElement(String[] array) {
-        return null;
+        return array[1];
     }
 
     /**
      * @param array array of String objects
      * @return last element in specified array
-     */ // TODO
+     */ // DONE
     public static String getLastElement(String[] array) {
-        return null;
+        return array[array.length-1];
     }
 
     /**
      * @param array array of String objects
      * @return second to last element in specified array
-     */ // TODO
+     */ // DONE
     public static String getSecondToLastElement(String[] array) {
-        return null;
+        return array[array.length-2];
     }
 
     /**
      * @param array array of String objects
      * @param value value to check array for
      * @return true if the array contains the specified `value`
-     */ // TODO
+     */ // DONE
     public static boolean contains(String[] array, String value) {
-        return false;
+        boolean check = false;
+
+        for (int i = 0; i<array.length; i++){
+            if (array[i] == value){
+                check = true;}
+        }
+        return check;
     }
 
     /**
      * @param array of String objects
      * @return an array with identical contents in reverse order
-     */ // TODO
+     */ // DONE
     public static String[] reverse(String[] array) {
-        return null;
+
+        for (int i = 0; i<array.length/2; i++){
+            String temp = array[i];
+            array[i] = array[array.length-1-i];
+            array[array.length-1-i] = temp;
+
+        }   
+        return array;
     }
 
     /**
      * @param array array of String objects
      * @return true if the order of the array is the same backwards and forwards
-     */ // TODO
+     */ // DONE
     public static boolean isPalindromic(String[] array) {
-        return false;
+        boolean check = false;
+        for (int i=0; i<array.length/2; i++){
+            String temp = array[i];
+            array[i] = array[array.length-1-i];
+            array[array.length-1-i] = temp;
+
+            if ( temp == array[i]){
+                check = true;
+            }
+        }
+        return check;
     }
 
     /**
@@ -66,25 +94,60 @@ 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 check = false;
+        //Scanner reader = new Scanner();
+        String string = new String();//reader.nextLine();
+        Set character = new HashSet();
+        Set set = new HashSet();
+        for (char c:string.toUpperCase().toCharArray()){
+            
+            if (character.equals(c)){
+                set.add(c);}
+        }
+        if (set.size() == 26){
+            check = true;}
+            else {
+                check = false;}
+        return check;
+        
     }
 
     /**
      * @param array array of String objects
      * @param value value to check array for
      * @return number of occurrences the specified `value` has occurred
-     */ // TODO
+     */ // Done
     public static int getNumberOfOccurrences(String[] array, String value) {
-        return 0;
+        int counter = 0;
+        for (int i = 0; i<array.length; i++){
+            if (array[i] == array[i+1]){
+                counter=counter+1;}
+                
+            }
+        return counter;
     }
 
     /**
      * @param array         array of String objects
      * @param valueToRemove value to remove from array
      * @return array with identical contents excluding values of `value`
-     */ // TODO
+     */ // Done
     public static String[] removeValue(String[] array, String valueToRemove) {
-        return null;
+        //sort array, create new array, compare i, add new i to new array.
+        Arrays.sort(array);
+        ArrayList fresh = new ArrayList();
+        for (int i=0;i<array.length;i++){
+            if (array[i] != valueToRemove){
+                fresh.add(array[i]);
+            }
+            
+        }
+        String[] list = (String[])(fresh.toArray()); //needed to convert to a string array, not a string
+        return list;
+        
+        //String delete = value.replaceAll (Character.toString(charToRemove), "");
+       //return delete;  
+        //return list.toString();
     }
 
     /**
@@ -92,7 +155,15 @@ public class StringArrayUtils {
      * @return array of Strings with consecutive duplicates removes
      */ // TODO
     public static String[] removeConsecutiveDuplicates(String[] array) {
-        return null;
+        Arrays.sort(array);
+        ArrayList fresh = new ArrayList();
+        for (int i=0; i<array.length; i++){
+         if (array[i] != array[i-1] && array[i] != array[i+1]) {
+            fresh.add(array[i]);
+            }
+        }
+        String[] list = (String[])(fresh.toArray());
+        return list;
     }
 
     /**
@@ -103,5 +174,4 @@ public class StringArrayUtils {
         return null;
     }
 
-
 }

package.bluej

@@ -0,0 +1,42 @@
+#BlueJ package file
+dependency1.from=StringArrayUtilsTest
+dependency1.to=StringArrayUtils
+dependency1.type=UsesDependency
+editor.fx.0.height=714
+editor.fx.0.width=930
+editor.fx.0.x=310
+editor.fx.0.y=23
+objectbench.height=101
+objectbench.width=461
+package.divider.horizontal=0.6
+package.divider.vertical=0.8007380073800738
+package.editor.height=427
+package.editor.width=674
+package.editor.x=255
+package.editor.y=130
+package.frame.height=600
+package.frame.width=800
+package.numDependencies=1
+package.numTargets=2
+package.showExtends=true
+package.showUses=true
+project.charset=UTF-8
+readme.height=58
+readme.name=@README
+readme.width=47
+readme.x=10
+readme.y=10
+target1.height=50
+target1.name=StringArrayUtilsTest
+target1.showInterface=false
+target1.type=UnitTestTargetJunit4
+target1.width=150
+target1.x=130
+target1.y=10
+target2.height=50
+target2.name=StringArrayUtils
+target2.showInterface=false
+target2.type=ClassTarget
+target2.width=120
+target2.x=70
+target2.y=70