done#2

LoopFun.java

        * @return the factorial of the number
        */
       public int factorial(int number){
-          return -1;
+         return -1;
       }
 
       /**

MathUtilities.java

    * @return the sum of the two numbers
    */
   public int add(int num1, int num2){
-      return -1;
+      int number = (num1 + num2);
+      return number;
+      
+      
   }
 
   /**
    * @return the sum of the two numbers
    */
   public double add(double num1, double num2){
-      return -1;
+      double stuff = (num1 + num2);
+      return stuff;
   }
 
   /**
    * @return the half of the number in double
    */
   public double half(int number) {
-      return -1;
+     double answer = (double)(number/2);
+     return answer;
+      
   }
 
   /**
    * @return true if the number is odd, false if it is even
    */
   public boolean isOdd(int number){
-      return false;
+        if(number % 2 != 0){
+          return true;
+        } else{
+        return false; 
+        }
   }
 
 
    * @return the result of the number multiply by itself
    */
   public int square(int number) {
-      return -1;
+      return (number*number);
+      
   }
 
 }

StringUtilities.java

 public class StringUtilities {
-   public Character getMiddleCharacter(String word){
-       return null;
-   }
-   
-   public String removeCharacter(String value, char charToRemove){
-     return null;  
-   }
-   
-   public String getLastWord(String value) {
-       return null;
-   }
+    public Character getMiddleCharacter(String word){
+           int newWord = word.length();
+        if (newWord % 2 == 0) {
+            return word.charAt((newWord/2) -1);
+        }else{
+        return word.charAt((newWord-1)/2);
+        }
+    }
+
+    public String removeCharacter(String value, char charToRemove){
+        return null;  
+    }
+
+    public String getLastWord(String value) {
+        String newWord = value.substring(value.lastIndexOf(' '),value.length());
+        return newWord;
+        
+    }
 }

package.bluej

 #BlueJ package file
-dependency1.from=StringUtilitiesTest
-dependency1.to=StringUtilities
+dependency1.from=MathUtilitiesTest
+dependency1.to=MathUtilities
 dependency1.type=UsesDependency
-dependency2.from=BonusTest
-dependency2.to=Bonus
+dependency2.from=StringUtilitiesTest
+dependency2.to=StringUtilities
 dependency2.type=UsesDependency
-dependency3.from=MathUtilitiesTest
-dependency3.to=MathUtilities
-dependency3.type=UsesDependency
 editor.fx.0.height=722
 editor.fx.0.width=876
-editor.fx.0.x=158
-editor.fx.0.y=216
+editor.fx.0.x=173
+editor.fx.0.y=121
 objectbench.height=164
 objectbench.width=669
 package.divider.horizontal=0.6
 package.editor.y=43
 package.frame.height=779
 package.frame.width=693
-package.numDependencies=3
+package.numDependencies=2
 package.numTargets=6
 package.showExtends=true
 package.showUses=true
 target1.x=110
 target1.y=150
 target2.height=50
-target2.name=BonusTest
+target2.name=LoopFunTest
 target2.showInterface=false
 target2.type=UnitTestTargetJunit4
-target2.width=80
-target2.x=120
-target2.y=270
-target3.association=BonusTest
+target2.width=110
+target2.x=10
+target2.y=240
 target3.height=50
-target3.name=Bonus
+target3.name=LoopFun
 target3.showInterface=false
 target3.type=ClassTarget
 target3.width=80
-target3.x=90
-target3.y=300
+target3.x=200
+target3.y=210
 target4.association=MathUtilitiesTest
 target4.height=50
 target4.name=MathUtilities