Quiz Week 1

LoopFun.java

+package QuizWeek1;
+
 public class LoopFun
 {
 
        * @param number
        * @return the factorial of the number
        */
-      public int factorial(int number){
-          return -1;
+      public int factorial(int number){ 
+         int factorial = 0; 
+         int i = 0;
+          while (i <= number){
+              i*=i;
+              i++;
+              
+            }
+          return factorial;
       }
 
       /**
        * @return Upper case string of the first letter of each word
        */
       public String acronym(String phrase) {
-          return null;
+          int spaceIndex = phrase.indexOf(" ");
+          char acro = phrase.charAt(spaceIndex+1);
+          for (int i = 1; i < phrase.length(); i++){
+              acro = Character.toUpperCase(phrase.charAt(spaceIndex+1));
+            }
+          
+          return Character.toUpperCase(phrase.charAt(0)) + Character.toString(acro);
       }
 
       /**

LoopFunTest.java

+package QuizWeek1;
+
 
 
 import static org.junit.Assert.*;

MathUtilities.java

+package QuizWeek1;
+
 public class MathUtilities{
   /**
    * Add two number together
    * @return the sum of the two numbers
    */
   public int add(int num1, int num2){
-      return -1;
+      return num1+num2;
   }
 
   /**
    * @return the sum of the two numbers
    */
   public double add(double num1, double num2){
-      return -1;
+      return num1+num2;
   }
 
   /**
    * @return the half of the number in double
    */
   public double half(int number) {
-      return -1;
+      double x = number * .5;
+      return x;
   }
 
   /**
    * @return true if the number is odd, false if it is even
    */
   public boolean isOdd(int number){
-      return false;
+      boolean isOdd= false;
+      if (number % 2 != 0){
+        isOdd = true;
+    }else{
+        isOdd = false;
+    }
+   return isOdd;
   }
 
 
    * @return the result of the number multiply by itself
    */
   public int square(int number) {
-      return -1;
+      return number*=number;
   }
 
 }

MathUtilitiesTest.java

+package QuizWeek1;
+
 
 
 import static org.junit.Assert.*;

StringUtilities.java

+package QuizWeek1;
+
 public class StringUtilities {
    public Character getMiddleCharacter(String word){
-       return null;
+       int middleChar;
+        if ((word.length()/2)%2 == 0){
+            middleChar = word.length()/2+1;
+            
+        }else{
+            middleChar = Math.round(word.length()/2);   
+            
+        }
+        return word.charAt(middleChar);
+       
    }
    
    public String removeCharacter(String value, char charToRemove){
-     return null;  
+     int removeChar = value.indexOf(charToRemove);      
+     return value.substring(0,removeChar) + value.substring(removeChar+1); 
    }
    
    public String getLastWord(String value) {
-       return null;
+       int indexLastWord = value.lastIndexOf(" ");
+        
+       return value.substring(indexLastWord+1);
    }
 }

StringUtilitiesTest.java

+package QuizWeek1;
+
 import static org.junit.Assert.*;
 import org.junit.After;
 import org.junit.Before;

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.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
+objectbench.height=147
 objectbench.width=669
 package.divider.horizontal=0.6
-package.divider.vertical=0.7628294036061026
-package.editor.height=543
+package.divider.vertical=0.7634408602150538
+package.editor.height=490
 package.editor.width=567
 package.editor.x=557
-package.editor.y=43
-package.frame.height=779
+package.editor.y=23
+package.frame.height=709
 package.frame.width=693
-package.numDependencies=3
+package.numDependencies=1
 package.numTargets=6
 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=StringUtilitiesTest
+target1.name=LoopFunTest
 target1.showInterface=false
 target1.type=UnitTestTargetJunit4
 target1.width=110
-target1.x=110
-target1.y=150
+target1.x=10
+target1.y=240
 target2.height=50
-target2.name=BonusTest
+target2.name=StringUtilitiesTest
 target2.showInterface=false
 target2.type=UnitTestTargetJunit4
-target2.width=80
-target2.x=120
-target2.y=270
-target3.association=BonusTest
+target2.width=110
+target2.x=110
+target2.y=150
 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=120
+target3.y=290
 target4.association=MathUtilitiesTest
 target4.height=50
 target4.name=MathUtilities