From 015e83fbefe31b8b886f13e0183451e3ba45ac55 Mon Sep 17 00:00:00 2001
From: nooratef <36491699+nooratef@users.noreply.github.com>
Date: Mon, 2 Mar 2020 20:17:45 +0200
Subject: [PATCH 1/4] SphereArea

---
 .idea/.name                     |   1 +
 .idea/misc.xml                  |   6 +
 .idea/modules.xml               |   8 +
 .idea/vcs.xml                   |   6 +
 .idea/workspace.xml             | 281 ++++++++++++++++++++++++++++++++
 GitAssignmentObserver.iml       |  12 ++
 src/Main.java                   |   4 +-
 src/ReallySimpleSubscriber.java |   8 -
 src/SimpleSubscriber.java       |  10 --
 src/SphereArea.java             |  14 ++
 10 files changed, 330 insertions(+), 20 deletions(-)
 create mode 100644 .idea/.name
 create mode 100644 .idea/misc.xml
 create mode 100644 .idea/modules.xml
 create mode 100644 .idea/vcs.xml
 create mode 100644 .idea/workspace.xml
 create mode 100644 GitAssignmentObserver.iml
 delete mode 100644 src/ReallySimpleSubscriber.java
 delete mode 100644 src/SimpleSubscriber.java
 create mode 100644 src/SphereArea.java

diff --git a/.idea/.name b/.idea/.name
new file mode 100644
index 0000000..477e576
--- /dev/null
+++ b/.idea/.name
@@ -0,0 +1 @@
+GitAssignmentObserver
\ No newline at end of file
diff --git a/.idea/misc.xml b/.idea/misc.xml
new file mode 100644
index 0000000..cefb937
--- /dev/null
+++ b/.idea/misc.xml
@@ -0,0 +1,6 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<project version="4">
+  <component name="ProjectRootManager">
+    <output url="file://$PROJECT_DIR$/classes" />
+  </component>
+</project>
\ No newline at end of file
diff --git a/.idea/modules.xml b/.idea/modules.xml
new file mode 100644
index 0000000..3dd0b66
--- /dev/null
+++ b/.idea/modules.xml
@@ -0,0 +1,8 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<project version="4">
+  <component name="ProjectModuleManager">
+    <modules>
+      <module fileurl="file://$PROJECT_DIR$/GitAssignmentObserver.iml" filepath="$PROJECT_DIR$/GitAssignmentObserver.iml" />
+    </modules>
+  </component>
+</project>
\ No newline at end of file
diff --git a/.idea/vcs.xml b/.idea/vcs.xml
new file mode 100644
index 0000000..35eb1dd
--- /dev/null
+++ b/.idea/vcs.xml
@@ -0,0 +1,6 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<project version="4">
+  <component name="VcsDirectoryMappings">
+    <mapping directory="" vcs="Git" />
+  </component>
+</project>
\ No newline at end of file
diff --git a/.idea/workspace.xml b/.idea/workspace.xml
new file mode 100644
index 0000000..dab0ff2
--- /dev/null
+++ b/.idea/workspace.xml
@@ -0,0 +1,281 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<project version="4">
+  <component name="ChangeListManager">
+    <list default="true" id="9da78cc1-c5b4-43a8-ad5a-fc2421def505" name="Default" comment="" />
+    <ignored path="$PROJECT_DIR$/bin/" />
+    <option name="EXCLUDED_CONVERTED_TO_IGNORED" value="true" />
+    <option name="TRACKING_ENABLED" value="true" />
+    <option name="SHOW_DIALOG" value="false" />
+    <option name="HIGHLIGHT_CONFLICTS" value="true" />
+    <option name="HIGHLIGHT_NON_ACTIVE_CHANGELIST" value="false" />
+    <option name="LAST_RESOLUTION" value="IGNORE" />
+  </component>
+  <component name="FileEditorManager">
+    <leaf>
+      <file leaf-file-name="Main.java" pinned="false" current-in-tab="false">
+        <entry file="file://$PROJECT_DIR$/src/Main.java">
+          <provider selected="true" editor-type-id="text-editor">
+            <state relative-caret-position="34">
+              <caret line="2" selection-start-line="2" selection-end-line="16" selection-end-column="1" />
+            </state>
+          </provider>
+        </entry>
+      </file>
+      <file leaf-file-name="ISubscriber.java" pinned="false" current-in-tab="false">
+        <entry file="file://$PROJECT_DIR$/src/ISubscriber.java">
+          <provider selected="true" editor-type-id="text-editor">
+            <state relative-caret-position="17">
+              <caret line="1" selection-start-line="1" selection-end-line="4" />
+            </state>
+          </provider>
+        </entry>
+      </file>
+      <file leaf-file-name="SphereArea.java" pinned="false" current-in-tab="true">
+        <entry file="file://$PROJECT_DIR$/src/SphereArea.java">
+          <provider selected="true" editor-type-id="text-editor">
+            <state relative-caret-position="187">
+              <caret line="11" lean-forward="true" selection-start-line="11" selection-end-line="11" />
+              <folding>
+                <element signature="e#346#347#0" expanded="true" />
+                <element signature="e#391#392#0" expanded="true" />
+              </folding>
+            </state>
+          </provider>
+        </entry>
+      </file>
+      <file leaf-file-name="Topic.java" pinned="false" current-in-tab="false">
+        <entry file="file://$PROJECT_DIR$/src/Topic.java">
+          <provider selected="true" editor-type-id="text-editor">
+            <state relative-caret-position="102">
+              <caret line="6" column="4" lean-forward="true" selection-start-line="6" selection-start-column="4" selection-end-line="6" selection-end-column="4" />
+              <folding>
+                <element signature="imports" expanded="true" />
+              </folding>
+            </state>
+          </provider>
+        </entry>
+      </file>
+    </leaf>
+  </component>
+  <component name="FileTemplateManagerImpl">
+    <option name="RECENT_TEMPLATES">
+      <list>
+        <option value="Class" />
+      </list>
+    </option>
+  </component>
+  <component name="Git.Settings">
+    <option name="RECENT_GIT_ROOT_PATH" value="$PROJECT_DIR$" />
+  </component>
+  <component name="IdeDocumentHistory">
+    <option name="CHANGED_PATHS">
+      <list>
+        <option value="$PROJECT_DIR$/src/SphereArea.java" />
+        <option value="$PROJECT_DIR$/src/Main.java" />
+      </list>
+    </option>
+  </component>
+  <component name="ProjectFrameBounds">
+    <option name="x" value="10" />
+    <option name="y" value="20" />
+    <option name="width" value="1346" />
+    <option name="height" value="688" />
+  </component>
+  <component name="ProjectView">
+    <navigator proportions="" version="1">
+      <foldersAlwaysOnTop value="true" />
+    </navigator>
+    <panes>
+      <pane id="AndroidView" />
+      <pane id="ProjectPane">
+        <subPane>
+          <expand>
+            <path>
+              <item name="GitAssignmentObserver" type="b2602c69:ProjectViewProjectNode" />
+              <item name="git_assignment_initial" type="462c0819:PsiDirectoryNode" />
+            </path>
+            <path>
+              <item name="GitAssignmentObserver" type="b2602c69:ProjectViewProjectNode" />
+              <item name="git_assignment_initial" type="462c0819:PsiDirectoryNode" />
+              <item name="src" type="462c0819:PsiDirectoryNode" />
+            </path>
+          </expand>
+          <select />
+        </subPane>
+      </pane>
+      <pane id="Scope" />
+      <pane id="PackagesPane" />
+    </panes>
+  </component>
+  <component name="PropertiesComponent">
+    <property name="last_opened_file_path" value="$PROJECT_DIR$/../Math-Functions" />
+  </component>
+  <component name="RunDashboard">
+    <option name="ruleStates">
+      <list>
+        <RuleState>
+          <option name="name" value="ConfigurationTypeDashboardGroupingRule" />
+        </RuleState>
+        <RuleState>
+          <option name="name" value="StatusDashboardGroupingRule" />
+        </RuleState>
+      </list>
+    </option>
+  </component>
+  <component name="RunManager">
+    <configuration default="true" type="Application" factoryName="Application">
+      <option name="WORKING_DIRECTORY" value="$PROJECT_DIR$" />
+    </configuration>
+    <configuration default="true" type="JUnit" factoryName="JUnit">
+      <option name="ALTERNATIVE_JRE_PATH_ENABLED" value="false" />
+      <option name="ALTERNATIVE_JRE_PATH" />
+      <option name="PACKAGE_NAME" />
+      <option name="MAIN_CLASS_NAME" />
+      <option name="METHOD_NAME" />
+      <option name="TEST_OBJECT" value="class" />
+      <option name="VM_PARAMETERS" value="-ea" />
+      <option name="PARAMETERS" />
+      <option name="WORKING_DIRECTORY" value="%MODULE_WORKING_DIR%" />
+      <option name="PASS_PARENT_ENVS" value="true" />
+      <option name="TEST_SEARCH_SCOPE">
+        <value defaultName="singleModule" />
+      </option>
+      <patterns />
+    </configuration>
+    <configuration default="true" type="TestNG" factoryName="TestNG">
+      <option name="ALTERNATIVE_JRE_PATH_ENABLED" value="false" />
+      <option name="ALTERNATIVE_JRE_PATH" />
+      <option name="SUITE_NAME" />
+      <option name="PACKAGE_NAME" />
+      <option name="MAIN_CLASS_NAME" />
+      <option name="METHOD_NAME" />
+      <option name="GROUP_NAME" />
+      <option name="TEST_OBJECT" value="CLASS" />
+      <option name="VM_PARAMETERS" value="-ea" />
+      <option name="PARAMETERS" />
+      <option name="WORKING_DIRECTORY" value="%MODULE_WORKING_DIR%" />
+      <option name="OUTPUT_DIRECTORY" />
+      <option name="PASS_PARENT_ENVS" value="true" />
+      <option name="TEST_SEARCH_SCOPE">
+        <value defaultName="singleModule" />
+      </option>
+      <option name="USE_DEFAULT_REPORTERS" value="false" />
+      <option name="PROPERTIES_FILE" />
+      <properties />
+      <listeners />
+    </configuration>
+  </component>
+  <component name="SvnConfiguration">
+    <configuration />
+  </component>
+  <component name="TaskManager">
+    <task active="true" id="Default" summary="Default task">
+      <changelist id="9da78cc1-c5b4-43a8-ad5a-fc2421def505" name="Default" comment="" />
+      <created>1583172115957</created>
+      <option name="number" value="Default" />
+      <option name="presentableId" value="Default" />
+      <updated>1583172115957</updated>
+    </task>
+    <servers />
+  </component>
+  <component name="ToolWindowManager">
+    <frame x="10" y="20" width="1346" height="688" extended-state="0" />
+    <editor active="true" />
+    <layout>
+      <window_info anchor="right" id="Palette" />
+      <window_info anchor="bottom" id="TODO" order="6" />
+      <window_info anchor="right" id="Palette&#9;" />
+      <window_info id="Image Layers" />
+      <window_info anchor="right" id="Capture Analysis" />
+      <window_info anchor="bottom" id="Event Log" side_tool="true" />
+      <window_info anchor="right" id="Maven Projects" />
+      <window_info anchor="bottom" id="Version Control" />
+      <window_info anchor="bottom" id="Run" order="2" />
+      <window_info anchor="bottom" id="Terminal" />
+      <window_info id="Capture Tool" />
+      <window_info id="Designer" />
+      <window_info active="true" content_ui="combo" id="Project" order="0" visible="true" weight="0.24962406" />
+      <window_info id="Structure" order="1" side_tool="true" weight="0.25" />
+      <window_info anchor="right" id="Ant Build" order="1" weight="0.25" />
+      <window_info id="UI Designer" />
+      <window_info anchor="right" id="Theme Preview" />
+      <window_info id="Favorites" side_tool="true" />
+      <window_info anchor="bottom" id="Debug" order="3" weight="0.4" />
+      <window_info anchor="bottom" id="Find" order="1" />
+      <window_info anchor="right" id="Commander" internal_type="SLIDING" order="0" type="SLIDING" weight="0.4" />
+      <window_info anchor="bottom" id="Inspection" order="5" weight="0.4" />
+      <window_info anchor="right" content_ui="combo" id="Hierarchy" order="2" weight="0.25" />
+      <window_info anchor="bottom" id="Message" order="0" />
+      <window_info anchor="bottom" id="Cvs" order="4" weight="0.25" />
+    </layout>
+  </component>
+  <component name="VcsContentAnnotationSettings">
+    <option name="myLimit" value="2678400000" />
+  </component>
+  <component name="editorHistoryManager">
+    <entry file="file://$PROJECT_DIR$/src/ReallySimpleSubscriber.java">
+      <provider selected="true" editor-type-id="text-editor">
+        <state relative-caret-position="136">
+          <caret line="8" lean-forward="true" selection-start-line="8" selection-end-line="8" />
+        </state>
+      </provider>
+    </entry>
+    <entry file="file://$PROJECT_DIR$/src/SimpleSubscriber.java">
+      <provider selected="true" editor-type-id="text-editor">
+        <state relative-caret-position="17">
+          <caret line="1" column="13" selection-start-line="1" selection-start-column="13" selection-end-line="1" selection-end-column="13" />
+        </state>
+      </provider>
+    </entry>
+    <entry file="file://$PROJECT_DIR$/src/ISubscriber.java">
+      <provider selected="true" editor-type-id="text-editor">
+        <state relative-caret-position="17">
+          <caret line="1" selection-start-line="1" selection-end-line="4" />
+        </state>
+      </provider>
+    </entry>
+    <entry file="file://$PROJECT_DIR$/src/Topic.java">
+      <provider selected="true" editor-type-id="text-editor">
+        <state relative-caret-position="102">
+          <caret line="6" column="4" lean-forward="true" selection-start-line="6" selection-start-column="4" selection-end-line="6" selection-end-column="4" />
+          <folding>
+            <element signature="imports" expanded="true" />
+          </folding>
+        </state>
+      </provider>
+    </entry>
+    <entry file="file://$PROJECT_DIR$/src/Main.java">
+      <provider selected="true" editor-type-id="text-editor">
+        <state relative-caret-position="34">
+          <caret line="2" selection-start-line="2" selection-end-line="16" selection-end-column="1" />
+        </state>
+      </provider>
+    </entry>
+    <entry file="file://$PROJECT_DIR$/src/SphereArea.java">
+      <provider selected="true" editor-type-id="text-editor">
+        <state relative-caret-position="187">
+          <caret line="11" lean-forward="true" selection-start-line="11" selection-end-line="11" />
+          <folding>
+            <element signature="e#346#347#0" expanded="true" />
+            <element signature="e#391#392#0" expanded="true" />
+          </folding>
+        </state>
+      </provider>
+    </entry>
+  </component>
+  <component name="masterDetails">
+    <states>
+      <state key="ProjectJDKs.UI">
+        <settings>
+          <splitter-proportions>
+            <option name="proportions">
+              <list>
+                <option value="0.2" />
+              </list>
+            </option>
+          </splitter-proportions>
+        </settings>
+      </state>
+    </states>
+  </component>
+</project>
\ No newline at end of file
diff --git a/GitAssignmentObserver.iml b/GitAssignmentObserver.iml
new file mode 100644
index 0000000..409f5aa
--- /dev/null
+++ b/GitAssignmentObserver.iml
@@ -0,0 +1,12 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<module type="JAVA_MODULE" version="4">
+  <component name="NewModuleRootManager">
+    <output url="file://$MODULE_DIR$/bin" />
+    <exclude-output />
+    <content url="file://$MODULE_DIR$">
+      <sourceFolder url="file://$MODULE_DIR$/src" isTestSource="false" />
+    </content>
+    <orderEntry type="sourceFolder" forTests="false" />
+    <orderEntry type="jdk" jdkName="JavaSE-1.8" jdkType="JavaSDK" />
+  </component>
+</module>
\ No newline at end of file
diff --git a/src/Main.java b/src/Main.java
index 9b8c2b0..797c630 100644
--- a/src/Main.java
+++ b/src/Main.java
@@ -2,8 +2,8 @@
 
 public class Main {
 	private static ISubscriber subscribers [] = {
-			new SimpleSubscriber(),
-			new ReallySimpleSubscriber(),
+			new SphereArea()
+
 	};
 	public static void main(String[] args) {
 		Topic mathTopic = new Topic();
diff --git a/src/ReallySimpleSubscriber.java b/src/ReallySimpleSubscriber.java
deleted file mode 100644
index fb1114a..0000000
--- a/src/ReallySimpleSubscriber.java
+++ /dev/null
@@ -1,8 +0,0 @@
-
-public class ReallySimpleSubscriber implements ISubscriber {
-	@Override
-	public void notifySubscriber(String input) {
-		// TODO Auto-generated method stub
-		System.out.println("Hello, I am really a simple subscriber and I am notified with " + input);
-	}
-}
diff --git a/src/SimpleSubscriber.java b/src/SimpleSubscriber.java
deleted file mode 100644
index 5b0e4aa..0000000
--- a/src/SimpleSubscriber.java
+++ /dev/null
@@ -1,10 +0,0 @@
-
-public class SimpleSubscriber implements ISubscriber {
-
-	@Override
-	public void notifySubscriber(String input) {
-		// TODO Auto-generated method stub
-		System.out.println("Hello, I am a simple subscriber and I am notified with " + input);
-	}
-
-}
diff --git a/src/SphereArea.java b/src/SphereArea.java
new file mode 100644
index 0000000..9308b42
--- /dev/null
+++ b/src/SphereArea.java
@@ -0,0 +1,14 @@
+public class SphereArea implements ISubscriber {
+        static float pi = 3.14159f;
+        @Override
+        public void notifySubscriber(String input) {
+
+            double Radius = Double.valueOf(input);
+            System.out.println( "Sphere Area = "+Calculate_Area(Radius));
+        }
+        double Calculate_Area(double radius){
+            return (4 * pi * radius * radius);
+        }
+
+    }
+}

From 09b61717fb440b93409c8d90ee0c64861fb0d8db Mon Sep 17 00:00:00 2001
From: Belal Hamdy <belalhezzat@gmail.com>
Date: Mon, 2 Mar 2020 21:06:31 +0200
Subject: [PATCH 2/4] Added Lucas Series 20170077

---
 src/LucasSeries.java | 20 ++++++++++++++++++++
 src/Main.java        |  2 +-
 2 files changed, 21 insertions(+), 1 deletion(-)
 create mode 100644 src/LucasSeries.java

diff --git a/src/LucasSeries.java b/src/LucasSeries.java
new file mode 100644
index 0000000..b26a657
--- /dev/null
+++ b/src/LucasSeries.java
@@ -0,0 +1,20 @@
+public class LucasSeries implements ISubscriber {
+    @Override
+    public void notifySubscriber(String input) {
+        try {
+            int LucasIndex = Integer.parseInt(input);
+            System.out.println("Lucas Number is: " + Lucas(LucasIndex));
+        } catch (Exception e) {
+            System.out.println("Error: " + e.getMessage());
+        }
+    }
+
+    int Lucas(int idx) throws Exception {
+        if (idx <= 0) throw new Exception("Error: Lucas applied only for positive numbers.");
+        return Lucas(idx, 1, 2); // Lucas series 2 1 3 4 7 11 18 29
+    }
+
+    private int Lucas(int idx, int value, int previous) {
+        return (idx == 1 ? previous : Lucas(idx - 1, previous + value, value));
+    }
+}
diff --git a/src/Main.java b/src/Main.java
index 797c630..092220d 100644
--- a/src/Main.java
+++ b/src/Main.java
@@ -2,7 +2,7 @@
 
 public class Main {
 	private static ISubscriber subscribers [] = {
-			new SphereArea()
+			new SphereArea(), new LucasSeries()
 
 	};
 	public static void main(String[] args) {

From 94151f74f6224bc334c531aeb349e3351475cf54 Mon Sep 17 00:00:00 2001
From: Atef Magdy <atefmagdy12@gmail.com>
Date: Mon, 2 Mar 2020 21:32:31 +0200
Subject: [PATCH 3/4] Added SphereCircumference class

---
 .idea/codeStyles/codeStyleConfig.xml |   5 +
 .idea/misc.xml                       |   2 +-
 .idea/workspace.xml                  | 255 ++++-----------------------
 GitAssignmentObserver.iml            |   2 +-
 src/Main.java                        |   2 +-
 src/SphereArea.java                  |   1 -
 src/SphereCircumference.java         |  18 ++
 7 files changed, 64 insertions(+), 221 deletions(-)
 create mode 100644 .idea/codeStyles/codeStyleConfig.xml
 create mode 100644 src/SphereCircumference.java

diff --git a/.idea/codeStyles/codeStyleConfig.xml b/.idea/codeStyles/codeStyleConfig.xml
new file mode 100644
index 0000000..a55e7a1
--- /dev/null
+++ b/.idea/codeStyles/codeStyleConfig.xml
@@ -0,0 +1,5 @@
+<component name="ProjectCodeStyleConfiguration">
+  <state>
+    <option name="PREFERRED_PROJECT_CODE_STYLE" value="Default" />
+  </state>
+</component>
\ No newline at end of file
diff --git a/.idea/misc.xml b/.idea/misc.xml
index cefb937..ad36d52 100644
--- a/.idea/misc.xml
+++ b/.idea/misc.xml
@@ -1,6 +1,6 @@
 <?xml version="1.0" encoding="UTF-8"?>
 <project version="4">
-  <component name="ProjectRootManager">
+  <component name="ProjectRootManager" version="2" languageLevel="JDK_13" default="true" project-jdk-name="13" project-jdk-type="JavaSDK">
     <output url="file://$PROJECT_DIR$/classes" />
   </component>
 </project>
\ No newline at end of file
diff --git a/.idea/workspace.xml b/.idea/workspace.xml
index dab0ff2..b38bcc1 100644
--- a/.idea/workspace.xml
+++ b/.idea/workspace.xml
@@ -1,61 +1,22 @@
 <?xml version="1.0" encoding="UTF-8"?>
 <project version="4">
   <component name="ChangeListManager">
-    <list default="true" id="9da78cc1-c5b4-43a8-ad5a-fc2421def505" name="Default" comment="" />
-    <ignored path="$PROJECT_DIR$/bin/" />
+    <list default="true" id="9da78cc1-c5b4-43a8-ad5a-fc2421def505" name="Default" comment="">
+      <change afterPath="$PROJECT_DIR$/.idea/codeStyles/codeStyleConfig.xml" afterDir="false" />
+      <change beforePath="$PROJECT_DIR$/.idea/misc.xml" beforeDir="false" afterPath="$PROJECT_DIR$/.idea/misc.xml" afterDir="false" />
+      <change beforePath="$PROJECT_DIR$/.idea/workspace.xml" beforeDir="false" afterPath="$PROJECT_DIR$/.idea/workspace.xml" afterDir="false" />
+      <change beforePath="$PROJECT_DIR$/GitAssignmentObserver.iml" beforeDir="false" afterPath="$PROJECT_DIR$/GitAssignmentObserver.iml" afterDir="false" />
+      <change beforePath="$PROJECT_DIR$/src/Main.java" beforeDir="false" afterPath="$PROJECT_DIR$/src/Main.java" afterDir="false" />
+      <change beforePath="$PROJECT_DIR$/src/SphereArea.java" beforeDir="false" afterPath="$PROJECT_DIR$/src/SphereArea.java" afterDir="false" />
+    </list>
     <option name="EXCLUDED_CONVERTED_TO_IGNORED" value="true" />
-    <option name="TRACKING_ENABLED" value="true" />
     <option name="SHOW_DIALOG" value="false" />
     <option name="HIGHLIGHT_CONFLICTS" value="true" />
     <option name="HIGHLIGHT_NON_ACTIVE_CHANGELIST" value="false" />
     <option name="LAST_RESOLUTION" value="IGNORE" />
   </component>
-  <component name="FileEditorManager">
-    <leaf>
-      <file leaf-file-name="Main.java" pinned="false" current-in-tab="false">
-        <entry file="file://$PROJECT_DIR$/src/Main.java">
-          <provider selected="true" editor-type-id="text-editor">
-            <state relative-caret-position="34">
-              <caret line="2" selection-start-line="2" selection-end-line="16" selection-end-column="1" />
-            </state>
-          </provider>
-        </entry>
-      </file>
-      <file leaf-file-name="ISubscriber.java" pinned="false" current-in-tab="false">
-        <entry file="file://$PROJECT_DIR$/src/ISubscriber.java">
-          <provider selected="true" editor-type-id="text-editor">
-            <state relative-caret-position="17">
-              <caret line="1" selection-start-line="1" selection-end-line="4" />
-            </state>
-          </provider>
-        </entry>
-      </file>
-      <file leaf-file-name="SphereArea.java" pinned="false" current-in-tab="true">
-        <entry file="file://$PROJECT_DIR$/src/SphereArea.java">
-          <provider selected="true" editor-type-id="text-editor">
-            <state relative-caret-position="187">
-              <caret line="11" lean-forward="true" selection-start-line="11" selection-end-line="11" />
-              <folding>
-                <element signature="e#346#347#0" expanded="true" />
-                <element signature="e#391#392#0" expanded="true" />
-              </folding>
-            </state>
-          </provider>
-        </entry>
-      </file>
-      <file leaf-file-name="Topic.java" pinned="false" current-in-tab="false">
-        <entry file="file://$PROJECT_DIR$/src/Topic.java">
-          <provider selected="true" editor-type-id="text-editor">
-            <state relative-caret-position="102">
-              <caret line="6" column="4" lean-forward="true" selection-start-line="6" selection-start-column="4" selection-end-line="6" selection-end-column="4" />
-              <folding>
-                <element signature="imports" expanded="true" />
-              </folding>
-            </state>
-          </provider>
-        </entry>
-      </file>
-    </leaf>
+  <component name="CodeStyleSettingsInfer">
+    <option name="done" value="true" />
   </component>
   <component name="FileTemplateManagerImpl">
     <option name="RECENT_TEMPLATES">
@@ -67,48 +28,16 @@
   <component name="Git.Settings">
     <option name="RECENT_GIT_ROOT_PATH" value="$PROJECT_DIR$" />
   </component>
-  <component name="IdeDocumentHistory">
-    <option name="CHANGED_PATHS">
-      <list>
-        <option value="$PROJECT_DIR$/src/SphereArea.java" />
-        <option value="$PROJECT_DIR$/src/Main.java" />
-      </list>
-    </option>
-  </component>
-  <component name="ProjectFrameBounds">
-    <option name="x" value="10" />
-    <option name="y" value="20" />
-    <option name="width" value="1346" />
-    <option name="height" value="688" />
-  </component>
-  <component name="ProjectView">
-    <navigator proportions="" version="1">
-      <foldersAlwaysOnTop value="true" />
-    </navigator>
-    <panes>
-      <pane id="AndroidView" />
-      <pane id="ProjectPane">
-        <subPane>
-          <expand>
-            <path>
-              <item name="GitAssignmentObserver" type="b2602c69:ProjectViewProjectNode" />
-              <item name="git_assignment_initial" type="462c0819:PsiDirectoryNode" />
-            </path>
-            <path>
-              <item name="GitAssignmentObserver" type="b2602c69:ProjectViewProjectNode" />
-              <item name="git_assignment_initial" type="462c0819:PsiDirectoryNode" />
-              <item name="src" type="462c0819:PsiDirectoryNode" />
-            </path>
-          </expand>
-          <select />
-        </subPane>
-      </pane>
-      <pane id="Scope" />
-      <pane id="PackagesPane" />
-    </panes>
+  <component name="ProjectCodeStyleSettingsMigration">
+    <option name="version" value="1" />
   </component>
+  <component name="ProjectId" id="1YaO0wgg1lUTP4fuRqeF1VVxahC" />
   <component name="PropertiesComponent">
-    <property name="last_opened_file_path" value="$PROJECT_DIR$/../Math-Functions" />
+    <property name="SHARE_PROJECT_CONFIGURATION_FILES" value="true" />
+    <property name="last_opened_file_path" value="$PROJECT_DIR$" />
+    <property name="project.structure.last.edited" value="Project" />
+    <property name="project.structure.proportion" value="0.0" />
+    <property name="project.structure.side.proportion" value="0.2" />
   </component>
   <component name="RunDashboard">
     <option name="ruleStates">
@@ -125,44 +54,25 @@
   <component name="RunManager">
     <configuration default="true" type="Application" factoryName="Application">
       <option name="WORKING_DIRECTORY" value="$PROJECT_DIR$" />
+      <method v="2">
+        <option name="Make" enabled="true" />
+      </method>
     </configuration>
     <configuration default="true" type="JUnit" factoryName="JUnit">
-      <option name="ALTERNATIVE_JRE_PATH_ENABLED" value="false" />
-      <option name="ALTERNATIVE_JRE_PATH" />
-      <option name="PACKAGE_NAME" />
-      <option name="MAIN_CLASS_NAME" />
-      <option name="METHOD_NAME" />
       <option name="TEST_OBJECT" value="class" />
-      <option name="VM_PARAMETERS" value="-ea" />
-      <option name="PARAMETERS" />
       <option name="WORKING_DIRECTORY" value="%MODULE_WORKING_DIR%" />
-      <option name="PASS_PARENT_ENVS" value="true" />
-      <option name="TEST_SEARCH_SCOPE">
-        <value defaultName="singleModule" />
-      </option>
-      <patterns />
+      <method v="2">
+        <option name="Make" enabled="true" />
+      </method>
     </configuration>
-    <configuration default="true" type="TestNG" factoryName="TestNG">
-      <option name="ALTERNATIVE_JRE_PATH_ENABLED" value="false" />
-      <option name="ALTERNATIVE_JRE_PATH" />
-      <option name="SUITE_NAME" />
-      <option name="PACKAGE_NAME" />
-      <option name="MAIN_CLASS_NAME" />
-      <option name="METHOD_NAME" />
-      <option name="GROUP_NAME" />
+    <configuration default="true" type="TestNG">
       <option name="TEST_OBJECT" value="CLASS" />
-      <option name="VM_PARAMETERS" value="-ea" />
-      <option name="PARAMETERS" />
       <option name="WORKING_DIRECTORY" value="%MODULE_WORKING_DIR%" />
-      <option name="OUTPUT_DIRECTORY" />
-      <option name="PASS_PARENT_ENVS" value="true" />
-      <option name="TEST_SEARCH_SCOPE">
-        <value defaultName="singleModule" />
-      </option>
-      <option name="USE_DEFAULT_REPORTERS" value="false" />
-      <option name="PROPERTIES_FILE" />
       <properties />
       <listeners />
+      <method v="2">
+        <option name="Make" enabled="true" />
+      </method>
     </configuration>
   </component>
   <component name="SvnConfiguration">
@@ -178,104 +88,15 @@
     </task>
     <servers />
   </component>
-  <component name="ToolWindowManager">
-    <frame x="10" y="20" width="1346" height="688" extended-state="0" />
-    <editor active="true" />
-    <layout>
-      <window_info anchor="right" id="Palette" />
-      <window_info anchor="bottom" id="TODO" order="6" />
-      <window_info anchor="right" id="Palette&#9;" />
-      <window_info id="Image Layers" />
-      <window_info anchor="right" id="Capture Analysis" />
-      <window_info anchor="bottom" id="Event Log" side_tool="true" />
-      <window_info anchor="right" id="Maven Projects" />
-      <window_info anchor="bottom" id="Version Control" />
-      <window_info anchor="bottom" id="Run" order="2" />
-      <window_info anchor="bottom" id="Terminal" />
-      <window_info id="Capture Tool" />
-      <window_info id="Designer" />
-      <window_info active="true" content_ui="combo" id="Project" order="0" visible="true" weight="0.24962406" />
-      <window_info id="Structure" order="1" side_tool="true" weight="0.25" />
-      <window_info anchor="right" id="Ant Build" order="1" weight="0.25" />
-      <window_info id="UI Designer" />
-      <window_info anchor="right" id="Theme Preview" />
-      <window_info id="Favorites" side_tool="true" />
-      <window_info anchor="bottom" id="Debug" order="3" weight="0.4" />
-      <window_info anchor="bottom" id="Find" order="1" />
-      <window_info anchor="right" id="Commander" internal_type="SLIDING" order="0" type="SLIDING" weight="0.4" />
-      <window_info anchor="bottom" id="Inspection" order="5" weight="0.4" />
-      <window_info anchor="right" content_ui="combo" id="Hierarchy" order="2" weight="0.25" />
-      <window_info anchor="bottom" id="Message" order="0" />
-      <window_info anchor="bottom" id="Cvs" order="4" weight="0.25" />
-    </layout>
-  </component>
-  <component name="VcsContentAnnotationSettings">
-    <option name="myLimit" value="2678400000" />
-  </component>
-  <component name="editorHistoryManager">
-    <entry file="file://$PROJECT_DIR$/src/ReallySimpleSubscriber.java">
-      <provider selected="true" editor-type-id="text-editor">
-        <state relative-caret-position="136">
-          <caret line="8" lean-forward="true" selection-start-line="8" selection-end-line="8" />
-        </state>
-      </provider>
-    </entry>
-    <entry file="file://$PROJECT_DIR$/src/SimpleSubscriber.java">
-      <provider selected="true" editor-type-id="text-editor">
-        <state relative-caret-position="17">
-          <caret line="1" column="13" selection-start-line="1" selection-start-column="13" selection-end-line="1" selection-end-column="13" />
-        </state>
-      </provider>
-    </entry>
-    <entry file="file://$PROJECT_DIR$/src/ISubscriber.java">
-      <provider selected="true" editor-type-id="text-editor">
-        <state relative-caret-position="17">
-          <caret line="1" selection-start-line="1" selection-end-line="4" />
-        </state>
-      </provider>
-    </entry>
-    <entry file="file://$PROJECT_DIR$/src/Topic.java">
-      <provider selected="true" editor-type-id="text-editor">
-        <state relative-caret-position="102">
-          <caret line="6" column="4" lean-forward="true" selection-start-line="6" selection-start-column="4" selection-end-line="6" selection-end-column="4" />
-          <folding>
-            <element signature="imports" expanded="true" />
-          </folding>
-        </state>
-      </provider>
-    </entry>
-    <entry file="file://$PROJECT_DIR$/src/Main.java">
-      <provider selected="true" editor-type-id="text-editor">
-        <state relative-caret-position="34">
-          <caret line="2" selection-start-line="2" selection-end-line="16" selection-end-column="1" />
-        </state>
-      </provider>
-    </entry>
-    <entry file="file://$PROJECT_DIR$/src/SphereArea.java">
-      <provider selected="true" editor-type-id="text-editor">
-        <state relative-caret-position="187">
-          <caret line="11" lean-forward="true" selection-start-line="11" selection-end-line="11" />
-          <folding>
-            <element signature="e#346#347#0" expanded="true" />
-            <element signature="e#391#392#0" expanded="true" />
-          </folding>
-        </state>
-      </provider>
-    </entry>
-  </component>
-  <component name="masterDetails">
-    <states>
-      <state key="ProjectJDKs.UI">
-        <settings>
-          <splitter-proportions>
-            <option name="proportions">
-              <list>
-                <option value="0.2" />
-              </list>
-            </option>
-          </splitter-proportions>
-        </settings>
-      </state>
-    </states>
+  <component name="Vcs.Log.Tabs.Properties">
+    <option name="TAB_STATES">
+      <map>
+        <entry key="MAIN">
+          <value>
+            <State />
+          </value>
+        </entry>
+      </map>
+    </option>
   </component>
 </project>
\ No newline at end of file
diff --git a/GitAssignmentObserver.iml b/GitAssignmentObserver.iml
index 409f5aa..26db12c 100644
--- a/GitAssignmentObserver.iml
+++ b/GitAssignmentObserver.iml
@@ -7,6 +7,6 @@
       <sourceFolder url="file://$MODULE_DIR$/src" isTestSource="false" />
     </content>
     <orderEntry type="sourceFolder" forTests="false" />
-    <orderEntry type="jdk" jdkName="JavaSE-1.8" jdkType="JavaSDK" />
+    <orderEntry type="inheritedJdk" />
   </component>
 </module>
\ No newline at end of file
diff --git a/src/Main.java b/src/Main.java
index 092220d..3349cb7 100644
--- a/src/Main.java
+++ b/src/Main.java
@@ -2,7 +2,7 @@
 
 public class Main {
 	private static ISubscriber subscribers [] = {
-			new SphereArea(), new LucasSeries()
+			new SphereArea(), new LucasSeries() , new SphereCircumference()
 
 	};
 	public static void main(String[] args) {
diff --git a/src/SphereArea.java b/src/SphereArea.java
index 9308b42..df48b27 100644
--- a/src/SphereArea.java
+++ b/src/SphereArea.java
@@ -11,4 +11,3 @@ public void notifySubscriber(String input) {
         }
 
     }
-}
diff --git a/src/SphereCircumference.java b/src/SphereCircumference.java
new file mode 100644
index 0000000..90de133
--- /dev/null
+++ b/src/SphereCircumference.java
@@ -0,0 +1,18 @@
+public class SphereCircumference implements ISubscriber{
+    @Override
+    public void notifySubscriber(String input)
+    {
+        try
+        {
+            double radius = Double.parseDouble(input);
+
+            double circumference = (2 * Math.PI * radius);
+
+            System.out.println("Sphere Circumference : " + circumference);
+        }
+        catch (Exception e)
+        {
+            System.out.println("Exception: " + e);
+        }
+    }
+}
\ No newline at end of file

From cbf4eec432c18c30bff526f45b125da69dbbf66c Mon Sep 17 00:00:00 2001
From: Atef Magdy <atefmagdy12@gmail.com>
Date: Mon, 2 Mar 2020 21:57:24 +0200
Subject: [PATCH 4/4] Update SphereCircumference class

---
 .idea/workspace.xml          | 10 ++++------
 src/SphereCircumference.java |  2 +-
 2 files changed, 5 insertions(+), 7 deletions(-)

diff --git a/.idea/workspace.xml b/.idea/workspace.xml
index b38bcc1..3000664 100644
--- a/.idea/workspace.xml
+++ b/.idea/workspace.xml
@@ -2,12 +2,8 @@
 <project version="4">
   <component name="ChangeListManager">
     <list default="true" id="9da78cc1-c5b4-43a8-ad5a-fc2421def505" name="Default" comment="">
-      <change afterPath="$PROJECT_DIR$/.idea/codeStyles/codeStyleConfig.xml" afterDir="false" />
-      <change beforePath="$PROJECT_DIR$/.idea/misc.xml" beforeDir="false" afterPath="$PROJECT_DIR$/.idea/misc.xml" afterDir="false" />
       <change beforePath="$PROJECT_DIR$/.idea/workspace.xml" beforeDir="false" afterPath="$PROJECT_DIR$/.idea/workspace.xml" afterDir="false" />
-      <change beforePath="$PROJECT_DIR$/GitAssignmentObserver.iml" beforeDir="false" afterPath="$PROJECT_DIR$/GitAssignmentObserver.iml" afterDir="false" />
-      <change beforePath="$PROJECT_DIR$/src/Main.java" beforeDir="false" afterPath="$PROJECT_DIR$/src/Main.java" afterDir="false" />
-      <change beforePath="$PROJECT_DIR$/src/SphereArea.java" beforeDir="false" afterPath="$PROJECT_DIR$/src/SphereArea.java" afterDir="false" />
+      <change beforePath="$PROJECT_DIR$/src/SphereCircumference.java" beforeDir="false" afterPath="$PROJECT_DIR$/src/SphereCircumference.java" afterDir="false" />
     </list>
     <option name="EXCLUDED_CONVERTED_TO_IGNORED" value="true" />
     <option name="SHOW_DIALOG" value="false" />
@@ -93,7 +89,9 @@
       <map>
         <entry key="MAIN">
           <value>
-            <State />
+            <State>
+              <option name="COLUMN_ORDER" />
+            </State>
           </value>
         </entry>
       </map>
diff --git a/src/SphereCircumference.java b/src/SphereCircumference.java
index 90de133..22389f2 100644
--- a/src/SphereCircumference.java
+++ b/src/SphereCircumference.java
@@ -8,7 +8,7 @@ public void notifySubscriber(String input)
 
             double circumference = (2 * Math.PI * radius);
 
-            System.out.println("Sphere Circumference : " + circumference);
+            System.out.println("Sphere Circumference = " + circumference);
         }
         catch (Exception e)
         {