completed encrypt

LoopFun.java

@@ -1,59 +1,63 @@
 public class LoopFun
 {
 
-      /**
-       * Given a number, return the factorial of that number.
-       * For example, given 5, the factorial is 5 x 4 x 3 x 2 x 1 which should return 120.
-       * @param number
-       * @return the factorial of the number
-       */
-      public int factorial(int number){
-          int sum=0;
-          for(int i=1;i<=number;i++)
-          { 
-              int fact=i*number;
-               sum=sum+fact;
-              
-          
-      }return sum;
+    /**
+     * Given a number, return the factorial of that number.
+     * For example, given 5, the factorial is 5 x 4 x 3 x 2 x 1 which should return 120.
+     * @param number
+     * @return the factorial of the number
+     */
+    public int factorial(int number){
+        int sum=1;
+        for(int i=1;i<=number;i++)
+        { 
+            sum=sum*i;
+
+        }return sum;
+    }
+
+    /**
+     * Given a phrase, get the acronym of that phrase. Acronym is the combination of
+     * the first character of each word in upper case.
+     * For example, given "Ruby on Rails", this method will return "ROR"
+     * @param phrase
+     * @return Upper case string of the first letter of each word
+     */
+    public String acronym(String phrase) {
+        String result = phrase.replaceAll("\\B.|\\P{L}", "").toUpperCase();
+
+        return result;
     }
 
-      /**
-       * Given a phrase, get the acronym of that phrase. Acronym is the combination of
-       * the first character of each word in upper case.
-       * For example, given "Ruby on Rails", this method will return "ROR"
-       * @param phrase
-       * @return Upper case string of the first letter of each word
-       */
-      public String acronym(String phrase) {
-          phrase.trim();
-          int str=phrase.length();
-          char ch;
-          
-          
-          
-          
-          
-          
-          return null;
-      }
+    /**
+     * To prevent anyone from reading our messages, we can encrypt it so it will only be readable by its
+     * intended audience. This method encrypt the message by shifting the letter by 3 characters. If the character is
+     * at the end of the alphabet, it will wraps around.
+     * For example:
+     *  'a' => 'd'
+     *  'w' => 'z'
+     *  'x' => 'a'
+     *  'y' => 'b'
+     * @param word
+     * @return the encrypted string by shifting each character by three character
+     */
+    public String encrypt(String word) {
+        String s = "";
+        int shift = 3;
+        int len = word.length();
+        for (int i =0; i <len; i++) {
+            char c = (char) (word.charAt(i) + shift);
+            if (c > 'z') {
+                s += (char) (word.charAt(i) - (26-shift));
+            } else { 
+                s+= (char) (word.charAt(i) + shift);
+            }
+            
+        }
+        
+        return s;
+
+ 
+}
 
-      /**
-       * To prevent anyone from reading our messages, we can encrypt it so it will only be readable by its
-       * intended audience. This method encrypt the message by shifting the letter by 3 characters. If the character is
-       * at the end of the alphabet, it will wraps around.
-       * For example:
-       *  'a' => 'd'
-       *  'w' => 'z'
-       *  'x' => 'a'
-       *  'y' => 'b'
-       * @param word
-       * @return the encrypted string by shifting each character by three character
-       */
-      public String encrypt(String word) {
-          String str=word.replace('a','d');
-          
-          
-          return str;
-      }
 }

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.height=709
 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.x=404
+editor.fx.0.y=23
+objectbench.height=148
+objectbench.width=397
+package.divider.horizontal=0.600297176820208
+package.divider.vertical=0.7483766233766234
+package.editor.height=454
 package.editor.width=567
-package.editor.x=557
-package.editor.y=43
-package.frame.height=779
+package.editor.x=394
+package.editor.y=23
+package.frame.height=674
 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