Quiz 1 Finished

package.bluej

@@ -1,164 +1,31 @@
 #BlueJ package file
-dependency1.from=StringUtilsConcatenateTest
-dependency1.to=StringUtilities
-dependency1.type=UsesDependency
-dependency2.from=StringUtilsReverseTest
-dependency2.to=StringUtilities
-dependency2.type=UsesDependency
-dependency3.from=LoopsFunAcronymTest
-dependency3.to=LoopFun
-dependency3.type=UsesDependency
-dependency4.from=StringUtilsGetLastWordTest
-dependency4.to=StringUtilities
-dependency4.type=UsesDependency
-dependency5.from=StringUtilsRemoveCharacterTest
-dependency5.to=StringUtilities
-dependency5.type=UsesDependency
-dependency6.from=MathUtilitiesIsOddTest
-dependency6.to=MathUtilities
-dependency6.type=UsesDependency
-dependency7.from=MathUtilitiesAddTest
-dependency7.to=MathUtilities
-dependency7.type=UsesDependency
-dependency8.from=MathUtilitiesSquareTest
-dependency8.to=MathUtilities
-dependency8.type=UsesDependency
-dependency9.from=MathUtilitiesHalfTest
-dependency9.to=MathUtilities
-dependency9.type=UsesDependency
-editor.fx.0.height=722
-editor.fx.0.width=876
-editor.fx.0.x=158
-editor.fx.0.y=115
-objectbench.height=142
+editor.fx.0.height=0
+editor.fx.0.width=0
+editor.fx.0.x=0
+editor.fx.0.y=0
+objectbench.height=141
 objectbench.width=1416
 package.divider.horizontal=0.6
-package.divider.vertical=0.8023872679045093
-package.editor.height=598
-package.editor.width=1298
+package.divider.vertical=0.8021390374331551
+package.editor.height=593
+package.editor.width=1324
 package.editor.x=0
-package.editor.y=23
+package.editor.y=33
 package.frame.height=812
 package.frame.width=1440
-package.numDependencies=9
-package.numTargets=16
+package.numDependencies=0
+package.numTargets=1
 package.showExtends=true
 package.showUses=true
 project.charset=UTF-8
-readme.height=58
+readme.height=60
 readme.name=@README
-readme.width=47
+readme.width=48
 readme.x=10
 readme.y=10
-target1.height=50
-target1.name=StringUtilsConcatenateTest
-target1.showInterface=false
-target1.type=UnitTestTargetJunit4
-target1.width=200
-target1.x=250
-target1.y=420
-target10.height=50
-target10.name=StringUtilsReverseTest
-target10.showInterface=false
-target10.type=UnitTestTargetJunit4
-target10.width=170
-target10.x=250
-target10.y=300
-target11.height=50
-target11.name=StringUtilsRemoveCharacterTest
-target11.showInterface=false
-target11.type=UnitTestTargetJunit4
-target11.width=230
-target11.x=250
-target11.y=480
-target12.height=50
-target12.name=MathUtilitiesHalfTest
-target12.showInterface=false
-target12.type=UnitTestTargetJunit4
-target12.width=160
-target12.x=20
-target12.y=250
-target13.height=50
-target13.name=LoopsFunAcronymTest
-target13.showInterface=false
-target13.type=UnitTestTargetJunit4
-target13.width=170
-target13.x=530
-target13.y=460
-target14.height=50
-target14.name=StringUtilities
-target14.showInterface=false
-target14.type=ClassTarget
-target14.width=110
-target14.x=400
-target14.y=180
-target15.height=50
-target15.name=StringUtilsGetMiddleCharacterTest
-target15.showInterface=false
-target15.type=UnitTestTargetJunit4
-target15.width=240
-target15.x=250
-target15.y=540
-target16.height=50
-target16.name=StringUtilsReturnInput
-target16.showInterface=false
-target16.type=UnitTestTargetJunit4
-target16.width=160
-target16.x=250
-target16.y=240
-target2.height=50
-target2.name=LoopFunEncryptTest
-target2.showInterface=false
-target2.type=UnitTestTargetJunit4
-target2.width=160
-target2.x=540
-target2.y=340
-target3.height=50
-target3.name=LoopFun
-target3.showInterface=false
-target3.type=ClassTarget
-target3.width=80
-target3.x=480
-target3.y=280
-target4.height=50
-target4.name=MathUtilitiesAddTest
-target4.showInterface=false
-target4.type=UnitTestTargetJunit4
-target4.width=160
-target4.x=20
-target4.y=310
-target5.height=50
-target5.name=MathUtilities
-target5.showInterface=false
-target5.type=ClassTarget
-target5.width=100
-target5.x=130
-target5.y=190
-target6.height=50
-target6.name=StringUtilsGetLastWordTest
-target6.showInterface=false
-target6.type=UnitTestTargetJunit4
-target6.width=200
-target6.x=250
-target6.y=360
-target7.height=50
-target7.name=LoopFunFactorialTest
-target7.showInterface=false
-target7.type=UnitTestTargetJunit4
-target7.width=160
-target7.x=540
-target7.y=400
-target8.height=50
-target8.name=MathUtilitiesIsOddTest
-target8.showInterface=false
-target8.type=UnitTestTargetJunit4
-target8.width=170
-target8.x=20
-target8.y=370
-target9.height=50
-target9.name=MathUtilitiesSquareTest
-target9.showInterface=false
-target9.type=UnitTestTargetJunit4
-target9.width=180
-target9.x=20
-target9.y=430
+target1.height=70
+target1.name=README.md
+target1.type=TextTarget
+target1.width=120
+target1.x=70
+target1.y=10

src/main/java/LoopFun.java

@@ -1,4 +1,4 @@
- 
+import java.util.Locale;
 
 public class LoopFun
 {
@@ -10,7 +10,11 @@ public class LoopFun
        * @return the factorial of the number
        */
       public Integer factorial(Integer number){
-          return null;
+          int factor  = 1;
+          for(int i = 1; i<=number; i++){
+              factor = factor * i;
+          }
+          return factor;
       }
 
       /**
@@ -21,7 +25,11 @@ public Integer factorial(Integer number){
        * @return Upper case string of the first letter of each word
        */
       public String acronym(String phrase) {
-          return null;
+          String initials = "";
+          for (String s : phrase.split(" ")){
+              initials += s.charAt(0);
+          }
+          return initials.toUpperCase();
       }
 
       /**
@@ -37,6 +45,16 @@ public String acronym(String phrase) {
        * @return the encrypted string by shifting each character by three character
        */
       public String encrypt(String word) {
-          return null;
+          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;
       }
 }

src/main/java/MathUtilities.java

@@ -9,7 +9,10 @@ public class MathUtilities{
    * @return the sum of the two numbers
    */
   public Integer add(Integer baseValue, Integer valueToAdd){
-      return null;
+
+      int sum;
+      sum = baseValue + valueToAdd;
+      return sum;
   }
 
   /**
@@ -19,7 +22,9 @@ public Integer add(Integer baseValue, Integer valueToAdd){
    * @return the sum of the two numbers
    */
   public Double add(Double baseValue, Double valueToAdd){
-      return null;
+      double sum;
+      sum = baseValue + valueToAdd;
+      return sum;
   }
 
   /**
@@ -28,7 +33,9 @@ public Double add(Double baseValue, Double valueToAdd){
    * @return the half of the number in double
    */
   public Double half(Integer number) {
-      return null;
+      double half;
+      half = number/2;
+      return half;
   }
 
   /**
@@ -37,7 +44,11 @@ public Double half(Integer number) {
    * @return true if the number is odd, false if it is even
    */
   public Boolean isOdd(Integer number){
-      return null;
+
+      if(number%2 == 0) {
+          return false;
+      }
+      return true;
   }
 
 
@@ -47,7 +58,9 @@ public Boolean isOdd(Integer number){
    * @return the result of the number multiply by itself
    */
   public Integer square(Integer number) {
-      return null;
+      int squared;
+      squared = number * number;
+      return squared;
   }
 
 }

src/main/java/StringUtilities.java

@@ -5,7 +5,9 @@ public class StringUtilities {
      * @return `input`
      */
     public String returnInput(String input) {
-        return null;
+
+
+        return input;
     }
 
     /**
@@ -14,23 +16,35 @@ public String returnInput(String input) {
      * @return the concatenation of `baseValue` and `valueToBeAdded`
      */
     public String concatenate(String baseValue, String valueToBeAdded) {
-        return null;
+
+        return baseValue + valueToBeAdded;
     }
 
     /**
      * @param valueToBeReversed value to be reversed
      * @return identical string with characters in opposite order
      */
     public String reverse(String valueToBeReversed) {
-        return null;
+
+        String rString = "";
+        char ch;
+        for (int i = 0; i < valueToBeReversed.length(); i++){
+            ch = valueToBeReversed.charAt(i);
+            rString = ch + rString;
+        }
+        return rString;
     }
 
     /**
      * @param word word to get middle character of
      * @return middle character of `word`
      */
     public Character getMiddleCharacter(String word) {
-        return null;
+
+        int len = word.length();
+        int middle = len/2;
+
+        return word.charAt(middle);
     }
 
     /**
@@ -39,14 +53,21 @@ public Character getMiddleCharacter(String word) {
      * @return `value` with char of value `charToRemove` removed
      */
     public String removeCharacter(String value, Character charToRemove) {
-        return null;
+
+
+        String s = "" + charToRemove;
+        String replace = "";
+        String strNew = value.replace(s, replace);
+       return strNew;
     }
 
     /**
      * @param sentence String delimited by spaces representative of a sentence
      * @return last `word` in sentence
      */
     public String getLastWord(String sentence) {
-        return null;
+
+        String lastWord1 = sentence.substring(sentence.lastIndexOf(" ")+1);
+        return lastWord1;
     }
 }