LoopFun.java

@@ -7,8 +7,15 @@ public class LoopFun
        * @param number
        * @return the factorial of the number
        */
-      public int factorial(int number){
-          return -1;
+      public int factorial(int number)
+      {
+          int i;
+          int fact = 1;
+          for(i=1;i<=number;i++)
+          {
+              fact=fact*i;
+            }
+          return fact;
       }
 
       /**
@@ -18,8 +25,14 @@ public class LoopFun
        * @param phrase
        * @return Upper case string of the first letter of each word
        */
-      public String acronym(String phrase) {
-          return null;
+      public String acronym(String phrase) 
+      {
+          String res = "";
+          res = phrase.replaceAll("[a-z ]", "" ).toUpperCase();
+          
+          
+          
+          return res;
       }
 
       /**

MathUtilities.java

@@ -1,3 +1,9 @@
+
+
+//import java.util.*;
+
+
+
 public class MathUtilities{
   /**
    * Add two number together
@@ -5,8 +11,10 @@ public class MathUtilities{
    * @param num2 second number
    * @return the sum of the two numbers
    */
-  public int add(int num1, int num2){
-      return -1;
+  public int add(int num1, int num2)
+  {
+      int sum = num1 + num2;
+      return sum;
   }
 
   /**
@@ -15,8 +23,10 @@ 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)
+  {
+      double sum = num1 + num2;
+      return sum;
   }
 
   /**
@@ -24,8 +34,11 @@ public class MathUtilities{
    * @param number the number given
    * @return the half of the number in double
    */
-  public double half(int number) {
-      return -1;
+  public double half(double number) 
+  {
+      double res;
+      res = number / 2;
+      return res;
   }
 
   /**
@@ -33,9 +46,22 @@ 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;
-  }
+  public boolean isOdd(int number)
+  {
+      
+      
+      if(number%2 == 0)
+      {
+          return false ;
+        }
+        else 
+        {
+            return true;
+        }
+        
+    }
+    
+  
 
 
   /**
@@ -43,8 +69,9 @@ public class MathUtilities{
    * @param number the number given
    * @return the result of the number multiply by itself
    */
-  public int square(int number) {
-      return -1;
+  public int square(int number) 
+  {
+      return number*number;
   }
 
 }

MathUtilitiesTest.java

@@ -1,5 +1,4 @@
 
-
 import static org.junit.Assert.*;
 import org.junit.After;
 import org.junit.Before;
@@ -11,12 +10,14 @@ public class MathUtilitiesTest
     private static final double DELTA = 0.009;
 
     @Before
-    public void setup(){
+    public void setup()
+    {
         utilities = new MathUtilities();
     }
 
     @Test
-    public void testAddInteger(){
+    public void testAddInteger()
+    {
         //Given
         int expected = 15;
 
@@ -28,7 +29,8 @@ public class MathUtilitiesTest
     }
 
     @Test
-    public void testAddDouble(){
+    public void testAddDouble()
+    {
         //Given
         double expected = 11.22;
 
@@ -40,7 +42,8 @@ public class MathUtilitiesTest
     }
 
     @Test
-    public void testHalfForEven(){
+    public void testHalfForEven()
+    {
         //Given
         double expected = 2.0;
 
@@ -52,7 +55,8 @@ public class MathUtilitiesTest
     }
 
     @Test
-    public void testHalfForOdd(){
+    public void testHalfForOdd()
+    {
         //Given
         double expected = 12.5;
 
@@ -75,37 +79,37 @@ public class MathUtilitiesTest
 
     @Test
     public void testSquareForBaseCase() {
-      //Given
-      int expected = 1;
+        //Given
+        int expected = 1;
 
-      //When
-      int actual = utilities.square(1);
+        //When
+        int actual = utilities.square(1);
 
-      //Then
-      assertEquals(expected, actual);
+        //Then
+        assertEquals(expected, actual);
     }
 
     @Test
     public void testSquareForOneDigit() {
-      //Given
-      int expected = 9;
+        //Given
+        int expected = 9;
 
-      //When
-      int actual = utilities.square(3);
+        //When
+        int actual = utilities.square(3);
 
-      //Then
-      assertEquals(expected, actual);
+        //Then
+        assertEquals(expected, actual);
     }
 
     @Test
     public void testSquareForTwoDigit() {
-      //Given
-      int expected = 121;
+        //Given
+        int expected = 121;
 
-      //When
-      int actual = utilities.square(11);
+        //When
+        int actual = utilities.square(11);
 
-      //Then
-      assertEquals(expected, actual);
+        //Then
+        assertEquals(expected, actual);
     }
 }

StringUtilities.java

@@ -1,13 +1,24 @@
+
+import java.util.*;
+
 public class StringUtilities {
-   public Character getMiddleCharacter(String word){
-       return null;
+   public Character getMiddleCharacter(String word)
+   {
+       return word.charAt(word.length()/2);
+       
+    }
+   public String removeCharacter(String value, char charToRemove)
+   {
+     String s = "";
+     s= s+charToRemove;
+     String str ="";
+     str=value.replaceAll(s,"");
+     return str;
    }
    
-   public String removeCharacter(String value, char charToRemove){
-     return null;  
-   }
-   
-   public String getLastWord(String value) {
-       return null;
+   public String getLastWord(String value) 
+   {
+       String str= value.substring(value.lastIndexOf(" ")+1);
+       return str;
    }
 }

StringUtilitiesTest.java

@@ -3,17 +3,20 @@ import org.junit.After;
 import org.junit.Before;
 import org.junit.Test;
 
-public class StringUtilitiesTest {
+public class StringUtilitiesTest 
+{
 
     private StringUtilities utilities;
 
     @Before
-    public void setUp() {
+    public void setUp()
+    {
         utilities = new StringUtilities();
     }
     
     @Test
-    public void testGetMiddleCharacter_ForOddWord(){
+    public void testGetMiddleCharacter_ForOddWord()
+    {
         //Given
         String word = "bokeh";
         char expected = 'k';
@@ -26,7 +29,8 @@ public class StringUtilitiesTest {
     }
     
     @Test
-    public void testGetMiddleCharacter_ForLongOddWord(){
+    public void testGetMiddleCharacter_ForLongOddWord()
+    {
         //Given
         String word = "disinformations";
         char expected = 'r';

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
-objectbench.width=669
-package.divider.horizontal=0.6
-package.divider.vertical=0.7628294036061026
-package.editor.height=543
+editor.fx.0.height=663
+editor.fx.0.width=928
+editor.fx.0.x=120
+editor.fx.0.y=34
+objectbench.height=149
+objectbench.width=397
+package.divider.horizontal=0.600297176820208
+package.divider.vertical=0.7629179331306991
+package.editor.height=495
 package.editor.width=567
-package.editor.x=557
-package.editor.y=43
-package.frame.height=779
+package.editor.x=352
+package.editor.y=23
+package.frame.height=716
 package.frame.width=693
 package.numDependencies=3
 package.numTargets=6
@@ -40,20 +40,19 @@ target1.width=110
 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