diff --git a/.idea/misc.xml b/.idea/misc.xml
index 57d62b3..0548357 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" version="2" languageLevel="JDK_1_9" default="true" project-jdk-name="9" project-jdk-type="JavaSDK">
+  <component name="ProjectRootManager" version="2" languageLevel="JDK_1_8" default="true" project-jdk-name="1.8" project-jdk-type="JavaSDK">
     <output url="file://$PROJECT_DIR$/out" />
   </component>
 </project>
\ No newline at end of file
diff --git a/.idea/workspace.xml b/.idea/workspace.xml
index dd414de..f276c2f 100644
--- a/.idea/workspace.xml
+++ b/.idea/workspace.xml
@@ -2,8 +2,7 @@
 <project version="4">
   <component name="ChangeListManager">
     <list default="true" id="41dc023d-0769-466f-850a-8e3eed9fe5fa" name="Default Changelist" comment="">
-      <change beforePath="$PROJECT_DIR$/.idea/workspace.xml" beforeDir="false" afterPath="$PROJECT_DIR$/.idea/workspace.xml" afterDir="false" />
-      <change beforePath="$PROJECT_DIR$/src/Geburtstag.java" beforeDir="false" afterPath="$PROJECT_DIR$/src/Geburtstag.java" afterDir="false" />
+      <change beforePath="$PROJECT_DIR$/src/D_Test1.java" beforeDir="false" afterPath="$PROJECT_DIR$/src/D_Test1.java" afterDir="false" />
     </list>
     <ignored path="$PROJECT_DIR$/out/" />
     <option name="EXCLUDED_CONVERTED_TO_IGNORED" value="true" />
@@ -17,29 +16,21 @@
   </component>
   <component name="FileEditorManager">
     <leaf SIDE_TABS_SIZE_LIMIT_KEY="300">
-      <file 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="236">
-              <caret line="33" selection-start-line="33" selection-end-line="38" selection-end-column="5" />
-            </state>
-          </provider>
-        </entry>
-      </file>
       <file pinned="false" current-in-tab="true">
-        <entry file="file://$PROJECT_DIR$/src/Geburtstag.java">
+        <entry file="file://$PROJECT_DIR$/src/D_Test1.java">
           <provider selected="true" editor-type-id="text-editor">
-            <state relative-caret-position="272">
-              <caret line="16" column="8" selection-start-line="16" selection-start-column="8" selection-end-line="16" selection-end-column="8" />
+            <state relative-caret-position="238">
+              <caret line="14" column="24" selection-start-line="14" selection-start-column="24" selection-end-line="14" selection-end-column="24" />
+              <folding>
+                <element signature="imports" expanded="true" />
+                <element signature="e#191#192#0" expanded="true" />
+                <element signature="e#1397#1398#0" expanded="true" />
+                <element signature="e#1600#1601#0" expanded="true" />
+              </folding>
             </state>
           </provider>
         </entry>
       </file>
-      <file pinned="false" current-in-tab="false">
-        <entry file="file://$PROJECT_DIR$/Alpha.iml">
-          <provider selected="true" editor-type-id="text-editor" />
-        </entry>
-      </file>
     </leaf>
   </component>
   <component name="FileTemplateManagerImpl">
@@ -55,11 +46,11 @@
   <component name="IdeDocumentHistory">
     <option name="CHANGED_PATHS">
       <list>
-        <option value="$PROJECT_DIR$/src/Main.java" />
         <option value="$PROJECT_DIR$/src/testFrame.java" />
         <option value="$PROJECT_DIR$/src/fenster.java" />
         <option value="$PROJECT_DIR$/src/geburtstag.java" />
         <option value="$PROJECT_DIR$/src/Geburtstag.java" />
+        <option value="$PROJECT_DIR$/src/Main.java" />
       </list>
     </option>
   </component>
@@ -69,13 +60,14 @@
     <option name="width" value="1346" />
     <option name="height" value="728" />
   </component>
+  <component name="ProjectLevelVcsManager">
+    <ConfirmationsSetting value="2" id="Add" />
+  </component>
   <component name="ProjectView">
     <navigator proportions="" version="1">
       <foldersAlwaysOnTop value="true" />
     </navigator>
     <panes>
-      <pane id="PackagesPane" />
-      <pane id="Scope" />
       <pane id="ProjectPane">
         <subPane>
           <expand>
@@ -92,6 +84,8 @@
           <select />
         </subPane>
       </pane>
+      <pane id="PackagesPane" />
+      <pane id="Scope" />
     </panes>
   </component>
   <component name="PropertiesComponent">
@@ -114,9 +108,16 @@
       </list>
     </option>
   </component>
-  <component name="RunManager" selected="Application.Geburtstag">
-    <configuration name="Geburtstag" type="Application" factoryName="Application" temporary="true" nameIsGenerated="true">
-      <option name="MAIN_CLASS_NAME" value="Geburtstag" />
+  <component name="RunManager" selected="Application.D_Test1">
+    <configuration name="D_Geburtstag" type="Application" factoryName="Application" temporary="true" nameIsGenerated="true">
+      <option name="MAIN_CLASS_NAME" value="D_Geburtstag" />
+      <module name="Alpha" />
+      <method v="2">
+        <option name="Make" enabled="true" />
+      </method>
+    </configuration>
+    <configuration name="D_Test1" type="Application" factoryName="Application" temporary="true" nameIsGenerated="true">
+      <option name="MAIN_CLASS_NAME" value="D_Test1" />
       <module name="Alpha" />
       <method v="2">
         <option name="Make" enabled="true" />
@@ -145,8 +146,9 @@
     </configuration>
     <recent_temporary>
       <list>
-        <item itemvalue="Application.Geburtstag" />
+        <item itemvalue="Application.D_Test1" />
         <item itemvalue="Application.Main" />
+        <item itemvalue="Application.D_Geburtstag" />
         <item itemvalue="Application.main" />
         <item itemvalue="Application.fenster" />
       </list>
@@ -165,7 +167,8 @@
       <workItem from="1562340912093" duration="26000" />
       <workItem from="1562341014848" duration="1785000" />
       <workItem from="1562343569757" duration="85000" />
-      <workItem from="1562343774281" duration="241000" />
+      <workItem from="1562343774281" duration="2056000" />
+      <workItem from="1562347057096" duration="199000" />
     </task>
     <task id="LOCAL-00001" summary="neue master">
       <created>1562341097724</created>
@@ -195,17 +198,37 @@
       <option name="project" value="LOCAL" />
       <updated>1562343454615</updated>
     </task>
-    <option name="localTasksCounter" value="5" />
+    <task id="LOCAL-00005" summary="geburtstag sauber">
+      <created>1562344148629</created>
+      <option name="number" value="00005" />
+      <option name="presentableId" value="LOCAL-00005" />
+      <option name="project" value="LOCAL" />
+      <updated>1562344148629</updated>
+    </task>
+    <task id="LOCAL-00006" summary="Main bereinigt">
+      <created>1562344619215</created>
+      <option name="number" value="00006" />
+      <option name="presentableId" value="LOCAL-00006" />
+      <option name="project" value="LOCAL" />
+      <updated>1562344619215</updated>
+    </task>
+    <task id="LOCAL-00007" summary="junit klassen erst mal entfernen">
+      <created>1562346483053</created>
+      <option name="number" value="00007" />
+      <option name="presentableId" value="LOCAL-00007" />
+      <option name="project" value="LOCAL" />
+      <updated>1562346483053</updated>
+    </task>
+    <option name="localTasksCounter" value="8" />
     <servers />
   </component>
   <component name="TimeTrackingManager">
-    <option name="totallyTimeSpent" value="2492000" />
+    <option name="totallyTimeSpent" value="4694000" />
   </component>
   <component name="ToolWindowManager">
     <frame x="-8" y="-8" width="1616" height="886" extended-state="6" />
-    <editor active="true" />
     <layout>
-      <window_info active="true" content_ui="combo" id="Project" order="0" visible="true" weight="0.2596401" />
+      <window_info content_ui="combo" id="Project" order="0" visible="true" weight="0.17287917" />
       <window_info id="Structure" order="1" side_tool="true" weight="0.25" />
       <window_info id="Image Layers" order="2" />
       <window_info id="Designer" order="3" />
@@ -215,7 +238,7 @@
       <window_info anchor="bottom" id="Messages" order="0" weight="0.32934928" />
       <window_info anchor="bottom" id="Message" order="1" />
       <window_info anchor="bottom" id="Find" order="2" />
-      <window_info anchor="bottom" id="Run" order="3" visible="true" weight="0.32934928" />
+      <window_info active="true" anchor="bottom" id="Run" order="3" visible="true" weight="0.32934928" />
       <window_info anchor="bottom" id="Debug" order="4" weight="0.4" />
       <window_info anchor="bottom" id="Cvs" order="5" weight="0.25" />
       <window_info anchor="bottom" id="Inspection" order="6" weight="0.4" />
@@ -242,7 +265,9 @@
   <component name="VcsManagerConfiguration">
     <MESSAGE value="neue master" />
     <MESSAGE value="geburtstag sauber" />
-    <option name="LAST_COMMIT_MESSAGE" value="geburtstag sauber" />
+    <MESSAGE value="Main bereinigt" />
+    <MESSAGE value="junit klassen erst mal entfernen" />
+    <option name="LAST_COMMIT_MESSAGE" value="junit klassen erst mal entfernen" />
   </component>
   <component name="editorHistoryManager">
     <entry file="file://$PROJECT_DIR$/src/testJFrame.java" />
@@ -250,20 +275,24 @@
     <entry file="file://$PROJECT_DIR$/Alpha.iml">
       <provider selected="true" editor-type-id="text-editor" />
     </entry>
+    <entry file="file://$PROJECT_DIR$/src/TestBmi.java" />
     <entry file="file://$PROJECT_DIR$/src/Main.java">
       <provider selected="true" editor-type-id="text-editor">
         <state relative-caret-position="236">
-          <caret line="33" selection-start-line="33" selection-end-line="38" selection-end-column="5" />
+          <caret line="29" column="5" selection-start-line="29" selection-start-column="5" selection-end-line="29" selection-end-column="5" />
         </state>
       </provider>
     </entry>
-    <entry file="file://$PROJECT_DIR$/src/Geburtstag.java">
+    <entry file="file://$PROJECT_DIR$/src/D_Geburtstag.java">
       <provider selected="true" editor-type-id="text-editor">
-        <state relative-caret-position="272">
-          <caret line="16" column="8" selection-start-line="16" selection-start-column="8" selection-end-line="16" selection-end-column="8" />
+        <state relative-caret-position="255">
+          <caret line="15" selection-start-line="15" selection-end-line="15" />
         </state>
       </provider>
     </entry>
+    <entry file="file://$PROJECT_DIR$/src/D_Test.java" />
+    <entry file="file://$PROJECT_DIR$/src/M_Test.java" />
+    <entry file="file://$PROJECT_DIR$/src/E_Test.java" />
   </component>
   <component name="masterDetails">
     <states>
diff --git a/out/production/Alpha/D_Test1$1.class b/out/production/Alpha/D_Test1$1.class
new file mode 100644
index 0000000..f95d39d
Binary files /dev/null and b/out/production/Alpha/D_Test1$1.class differ
diff --git a/out/production/Alpha/D_Test1$2.class b/out/production/Alpha/D_Test1$2.class
new file mode 100644
index 0000000..37168ce
Binary files /dev/null and b/out/production/Alpha/D_Test1$2.class differ
diff --git a/out/production/Alpha/D_Test1.class b/out/production/Alpha/D_Test1.class
new file mode 100644
index 0000000..fa90b74
Binary files /dev/null and b/out/production/Alpha/D_Test1.class differ
diff --git a/out/production/Alpha/D_Test2.class b/out/production/Alpha/D_Test2.class
new file mode 100644
index 0000000..b7b3fff
Binary files /dev/null and b/out/production/Alpha/D_Test2.class differ
diff --git a/out/production/Alpha/D_Test3.class b/out/production/Alpha/D_Test3.class
new file mode 100644
index 0000000..1544f4b
Binary files /dev/null and b/out/production/Alpha/D_Test3.class differ
diff --git a/out/production/Alpha/Main$1.class b/out/production/Alpha/Main$1.class
new file mode 100644
index 0000000..060183f
Binary files /dev/null and b/out/production/Alpha/Main$1.class differ
diff --git a/out/production/Alpha/Main$ActionListener1.class b/out/production/Alpha/Main$ActionListener1.class
new file mode 100644
index 0000000..eef8589
Binary files /dev/null and b/out/production/Alpha/Main$ActionListener1.class differ
diff --git a/out/production/Alpha/Main.class b/out/production/Alpha/Main.class
index 2f81af4..390ffe9 100644
Binary files a/out/production/Alpha/Main.class and b/out/production/Alpha/Main.class differ
diff --git a/src/D_Test.java b/src/D_Test1.java
similarity index 96%
rename from src/D_Test.java
rename to src/D_Test1.java
index 103e9fb..09c0bcb 100644
--- a/src/D_Test.java
+++ b/src/D_Test1.java
@@ -6,9 +6,7 @@ public class D_Test {
 
 
     public class NewStudent {
-        public static void
-
-            (String[] args) {
+        public static void main(String[] args) {
             NewStudent st = new NewStudent();
         }
 
diff --git a/src/D_Test2.java b/src/D_Test2.java
new file mode 100644
index 0000000..79f8925
--- /dev/null
+++ b/src/D_Test2.java
@@ -0,0 +1,2 @@
+public class D_Test2 {
+}
diff --git a/src/D_Test3.java b/src/D_Test3.java
new file mode 100644
index 0000000..7264963
--- /dev/null
+++ b/src/D_Test3.java
@@ -0,0 +1,2 @@
+public class D_Test3 {
+}
diff --git a/src/E_Test.java b/src/E_Test.java
deleted file mode 100644
index de82447..0000000
--- a/src/E_Test.java
+++ /dev/null
@@ -1,2 +0,0 @@
-public class E_Test {
-}
diff --git a/src/M_Test.java b/src/M_Test.java
deleted file mode 100644
index 1f999bc..0000000
--- a/src/M_Test.java
+++ /dev/null
@@ -1,2 +0,0 @@
-public class M_Test {
-}