From 78d90a7e7c8753d12c17514afdf872df9345ffa0 Mon Sep 17 00:00:00 2001
From: Git-Yee <git-yee@ZipcodersMBP58.fios-router.home>
Date: Wed, 29 Jun 2022 11:57:44 -0400
Subject: [PATCH 1/2] as much as i could do

---
 src/main/java/LoopFun.java         | 51 +++++++++++++++++++++++++++++-
 src/main/java/MathUtilities.java   | 13 +++++---
 src/main/java/StringUtilities.java | 21 +++++++++---
 3 files changed, 74 insertions(+), 11 deletions(-)

diff --git a/src/main/java/LoopFun.java b/src/main/java/LoopFun.java
index 801ab56..6071807 100644
--- a/src/main/java/LoopFun.java
+++ b/src/main/java/LoopFun.java
@@ -10,7 +10,17 @@ public class LoopFun
        * @return the factorial of the number
        */
       public Integer factorial(Integer number){
-          return null;
+//          int result = 1;
+//
+//          for (int i = 1; i <= number; i++) {
+//              result = result*1;
+//          }
+//          return result;
+          if (number==0)
+              return 1;
+          else {
+              return (number * factorial(number-1));
+          }
       }
 
       /**
@@ -21,6 +31,43 @@ public Integer factorial(Integer number){
        * @return Upper case string of the first letter of each word
        */
       public String acronym(String phrase) {
+
+//          char[] a = phrase.toCharArray();
+//          boolean b = true;
+//
+//          for(int i=0; i<a.length; i++){
+//              if(Character.isLetter(a[i]))
+//              {
+//                  if(b){
+//                      a[i] = Character.toUpperCase((a[i]));
+//                      b=false;
+//                  }
+//              }
+//              else {
+//                  b = true;
+//              }
+//          }
+//          return phrase;
+
+//          String variable = "";
+//          String[] a = phrase.split(" "); // hello my name > [hello, my, name]
+//          for (int i=0; i<a.length; i++){
+//
+//              String s = a[i];
+//              if (a[i] )
+//              s.charAt((0));
+//              s.substring(0,1);
+//              variable = variable + s;
+//
+//          }
+//          return variable;
+
+//          String firstLetter = "";
+//
+//          for (int i=0; i<a.length; i++){
+//              if (!)
+//          }
+//          firstLetter = a[a.charAt(0)];
           return null;
       }
 
@@ -37,6 +84,8 @@ public String acronym(String phrase) {
        * @return the encrypted string by shifting each character by three character
        */
       public String encrypt(String word) {
+          String input = word;
+
           return null;
       }
 }
diff --git a/src/main/java/MathUtilities.java b/src/main/java/MathUtilities.java
index e067c75..b97717a 100644
--- a/src/main/java/MathUtilities.java
+++ b/src/main/java/MathUtilities.java
@@ -9,7 +9,8 @@ public class MathUtilities{
    * @return the sum of the two numbers
    */
   public Integer add(Integer baseValue, Integer valueToAdd){
-      return null;
+      int sum = baseValue+valueToAdd;
+      return sum;
   }
 
   /**
@@ -19,7 +20,8 @@ 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 = baseValue+valueToAdd;
+      return sum;
   }
 
   /**
@@ -28,7 +30,8 @@ public Double add(Double baseValue, Double valueToAdd){
    * @return the half of the number in double
    */
   public Double half(Integer number) {
-      return null;
+      double answer = number/2;
+      return (answer);
   }
 
   /**
@@ -37,7 +40,7 @@ public Double half(Integer number) {
    * @return true if the number is odd, false if it is even
    */
   public Boolean isOdd(Integer number){
-      return null;
+      return (number % 2 != 0);
   }
 
 
@@ -47,7 +50,7 @@ public Boolean isOdd(Integer number){
    * @return the result of the number multiply by itself
    */
   public Integer square(Integer number) {
-      return null;
+      return (number*number);
   }
 
 }
diff --git a/src/main/java/StringUtilities.java b/src/main/java/StringUtilities.java
index e3ea8a9..f054e19 100644
--- a/src/main/java/StringUtilities.java
+++ b/src/main/java/StringUtilities.java
@@ -5,7 +5,7 @@ public class StringUtilities {
      * @return `input`
      */
     public String returnInput(String input) {
-        return null;
+        return input;
     }
 
     /**
@@ -14,7 +14,7 @@ public String returnInput(String input) {
      * @return the concatenation of `baseValue` and `valueToBeAdded`
      */
     public String concatenate(String baseValue, String valueToBeAdded) {
-        return null;
+        return baseValue + valueToBeAdded;
     }
 
     /**
@@ -22,7 +22,12 @@ public String concatenate(String baseValue, String valueToBeAdded) {
      * @return identical string with characters in opposite order
      */
     public String reverse(String valueToBeReversed) {
-        return null;
+        String input = valueToBeReversed;
+        StringBuilder answer = new StringBuilder();
+        answer.append(input);
+        answer.reverse();
+
+        return answer.toString();
     }
 
     /**
@@ -30,7 +35,9 @@ public String reverse(String valueToBeReversed) {
      * @return middle character of `word`
      */
     public Character getMiddleCharacter(String word) {
-        return null;
+        int length = word.length();
+        int middle = length/2;
+        return word.charAt(middle);
     }
 
     /**
@@ -39,6 +46,9 @@ public Character getMiddleCharacter(String word) {
      * @return `value` with char of value `charToRemove` removed
      */
     public String removeCharacter(String value, Character charToRemove) {
+
+//        return value.replace(charToRemove,"");
+//        need to come back to work on
         return null;
     }
 
@@ -47,6 +57,7 @@ public String removeCharacter(String value, Character charToRemove) {
      * @return last `word` in sentence
      */
     public String getLastWord(String sentence) {
-        return null;
+        String[] word = sentence.split(" ");
+        return word[word.length-1];
     }
 }

From 0d421cccc0a54107f297264f5ae79ac167243b87 Mon Sep 17 00:00:00 2001
From: Git-Yee <git-yee@ZipcodersMBP58.fios-router.home>
Date: Thu, 30 Jun 2022 13:16:10 -0400
Subject: [PATCH 2/2] finish remaining tests so all tests pass.

---
 src/main/java/LoopFun.java         | 76 ++++++++++++------------------
 src/main/java/StringUtilities.java | 12 +++--
 2 files changed, 37 insertions(+), 51 deletions(-)

diff --git a/src/main/java/LoopFun.java b/src/main/java/LoopFun.java
index 6071807..a1e8d30 100644
--- a/src/main/java/LoopFun.java
+++ b/src/main/java/LoopFun.java
@@ -10,17 +10,17 @@ public class LoopFun
        * @return the factorial of the number
        */
       public Integer factorial(Integer number){
-//          int result = 1;
-//
-//          for (int i = 1; i <= number; i++) {
-//              result = result*1;
-//          }
-//          return result;
-          if (number==0)
-              return 1;
-          else {
-              return (number * factorial(number-1));
+          int result = 1;
+          for (int i = number; i > 0; i--) {
+              result = result * i;
           }
+          return result;
+
+//          if (number==0)
+//              return 1;
+//          else {
+//              return (number * factorial(number-1));
+//          }
       }
 
       /**
@@ -32,43 +32,17 @@ public Integer factorial(Integer number){
        */
       public String acronym(String phrase) {
 
-//          char[] a = phrase.toCharArray();
-//          boolean b = true;
-//
-//          for(int i=0; i<a.length; i++){
-//              if(Character.isLetter(a[i]))
-//              {
-//                  if(b){
-//                      a[i] = Character.toUpperCase((a[i]));
-//                      b=false;
-//                  }
-//              }
-//              else {
-//                  b = true;
-//              }
-//          }
-//          return phrase;
+//          String str = phrase.replaceAll("\\B.|\\P{L}", "").toUpperCase();
+//          return str;
 
-//          String variable = "";
-//          String[] a = phrase.split(" "); // hello my name > [hello, my, name]
-//          for (int i=0; i<a.length; i++){
-//
-//              String s = a[i];
-//              if (a[i] )
-//              s.charAt((0));
-//              s.substring(0,1);
-//              variable = variable + s;
-//
-//          }
-//          return variable;
+          String variable = "";
+          String[] a = phrase.split(" "); // hello my name > [hello, my, name]
+          for (int i=0; i<a.length; i++){
+              variable = variable + a[i].charAt(0);
+          }
+          variable = variable.toUpperCase();
+          return variable;
 
-//          String firstLetter = "";
-//
-//          for (int i=0; i<a.length; i++){
-//              if (!)
-//          }
-//          firstLetter = a[a.charAt(0)];
-          return null;
       }
 
       /**
@@ -84,8 +58,16 @@ public String acronym(String phrase) {
        * @return the encrypted string by shifting each character by three character
        */
       public String encrypt(String word) {
-          String input = word;
+          char[] chars = word.toCharArray();
+          String result = "";
+          for (int i = 0; i < chars.length; i++) {
+              if(chars[i] <= 'w') {
+                  result += chars[i] += 3;
+              } else if (chars[i] >= 'x') {
+                  result += chars[i] -= 23;
+              }
+          }
 
-          return null;
+          return result;
       }
 }
diff --git a/src/main/java/StringUtilities.java b/src/main/java/StringUtilities.java
index f054e19..28c393e 100644
--- a/src/main/java/StringUtilities.java
+++ b/src/main/java/StringUtilities.java
@@ -46,10 +46,14 @@ public Character getMiddleCharacter(String word) {
      * @return `value` with char of value `charToRemove` removed
      */
     public String removeCharacter(String value, Character charToRemove) {
-
-//        return value.replace(charToRemove,"");
-//        need to come back to work on
-        return null;
+        char[] characters = value.toCharArray();
+        String result = "";
+        for(int i = 0; i < characters.length; i++) {
+            if (characters[i] != charToRemove) {
+                result += characters[i];
+            }
+        }
+        return result;
     }
 
     /**