Quiz crash and burn.

MathUtilities.java

@@ -1,3 +1,10 @@
+
+
+
+
+
+
+
 public class MathUtilities{
   /**
    * Add two number together
@@ -5,8 +12,13 @@ public class MathUtilities{
    * @param num2 second number
    * @return the sum of the two numbers
    */
+  
+  
   public int add(int num1, int num2){
-      return -1;
+      
+  return (num1 + num2);
+
+   
   }
 
   /**
@@ -15,8 +27,10 @@ public class MathUtilities{
    * @param num2 second number
    * @return the sum of the two numbers
    */
-  public double add(double num1, double num2){
-      return -1;
+  public double add(double num1, double num2){ 
+      
+      return (num1 + num2); 
+     
   }
 
   /**
@@ -25,7 +39,10 @@ public class MathUtilities{
    * @return the half of the number in double
    */
   public double half(int number) {
-      return -1;
+      //if either number is a double the int will be converted into a double
+     d = (number/2); 
+      
+      return d;
   }
 
   /**
@@ -33,10 +50,18 @@ public class MathUtilities{
    * @param number the number given
    * @return true if the number is odd, false if it is even
    */
+
+  
   public boolean isOdd(int number){
-      return false;
+      
+          
+          
+      if ( number % 2 == 0); return false;
+      
+     else return true;
+    
   }
-
+ 
 
   /**
    * Multiply the number by itself
@@ -44,7 +69,8 @@ public class MathUtilities{
    * @return the result of the number multiply by itself
    */
   public int square(int number) {
-      return -1;
+      
+      return (number * number);
   }
 
 }

StringUtilities.java

@@ -1,9 +1,27 @@
+import java.util.Scanner;
+
 public class StringUtilities {
    public Character getMiddleCharacter(String word){
-       return null;
+       //get the middle of the string
+       
+        if (str.length() <= 2) {
+            
+         return str;
+      }
+      int beginIndex = (str.length() - 1) / 2;
+      
+      int endIndex = beginIndex + 2 - (str.length() % 2);
+      
+      return str.substring(beginIndex, endIndex);
    }
+       
+ 
+      
+ }
    
    public String removeCharacter(String value, char charToRemove){
+       
+       
      return null;  
    }
    

package.bluej

@@ -2,25 +2,25 @@
 dependency1.from=StringUtilitiesTest
 dependency1.to=StringUtilities
 dependency1.type=UsesDependency
-dependency2.from=BonusTest
-dependency2.to=Bonus
+dependency2.from=LoopFunTest
+dependency2.to=LoopFun
 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
-objectbench.height=164
+editor.fx.0.x=-293
+editor.fx.0.y=-996
+objectbench.height=163
 objectbench.width=669
 package.divider.horizontal=0.6
-package.divider.vertical=0.7628294036061026
-package.editor.height=543
+package.divider.vertical=0.7635605006954103
+package.editor.height=542
 package.editor.width=567
-package.editor.x=557
-package.editor.y=43
-package.frame.height=779
+package.editor.x=593
+package.editor.y=-1057
+package.frame.height=777
 package.frame.width=693
 package.numDependencies=3
 package.numTargets=6
@@ -37,23 +37,22 @@ target1.name=StringUtilitiesTest
 target1.showInterface=false
 target1.type=UnitTestTargetJunit4
 target1.width=110
-target1.x=110
-target1.y=150
+target1.x=100
+target1.y=190
 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=330
 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=40
+target3.y=390
 target4.association=MathUtilitiesTest
 target4.height=50
 target4.name=MathUtilities
@@ -68,8 +67,8 @@ target5.name=StringUtilities
 target5.showInterface=false
 target5.type=ClassTarget
 target5.width=110
-target5.x=80
-target5.y=180
+target5.x=70
+target5.y=220
 target6.height=50
 target6.name=MathUtilitiesTest
 target6.showInterface=false