diff --git a/.idea/libraries/openjfx_javafx_base.xml b/.idea/libraries/openjfx_javafx_base.xml
index 90e7dbd..6f47257 100644
--- a/.idea/libraries/openjfx_javafx_base.xml
+++ b/.idea/libraries/openjfx_javafx_base.xml
@@ -3,7 +3,7 @@
     <properties maven-id="org.openjfx:javafx-base:20-ea+2" />
     <CLASSES>
       <root url="jar://$MAVEN_REPOSITORY$/org/openjfx/javafx-base/20-ea+2/javafx-base-20-ea+2.jar!/" />
-      <root url="jar://$MAVEN_REPOSITORY$/org/openjfx/javafx-base/20-ea+2/javafx-base-20-ea+2-linux.jar!/" />
+      <root url="jar://$MAVEN_REPOSITORY$/org/openjfx/javafx-base/20-ea+2/javafx-base-20-ea+2-win.jar!/" />
     </CLASSES>
     <JAVADOC />
     <SOURCES />
diff --git a/.idea/libraries/openjfx_javafx_controls.xml b/.idea/libraries/openjfx_javafx_controls.xml
index 5956572..52406f3 100644
--- a/.idea/libraries/openjfx_javafx_controls.xml
+++ b/.idea/libraries/openjfx_javafx_controls.xml
@@ -3,11 +3,11 @@
     <properties maven-id="org.openjfx:javafx-controls:22-ea+16" />
     <CLASSES>
       <root url="jar://$MAVEN_REPOSITORY$/org/openjfx/javafx-controls/22-ea+16/javafx-controls-22-ea+16.jar!/" />
-      <root url="jar://$MAVEN_REPOSITORY$/org/openjfx/javafx-controls/22-ea+16/javafx-controls-22-ea+16-linux.jar!/" />
+      <root url="jar://$MAVEN_REPOSITORY$/org/openjfx/javafx-controls/22-ea+16/javafx-controls-22-ea+16-win.jar!/" />
       <root url="jar://$MAVEN_REPOSITORY$/org/openjfx/javafx-graphics/22-ea+16/javafx-graphics-22-ea+16.jar!/" />
-      <root url="jar://$MAVEN_REPOSITORY$/org/openjfx/javafx-graphics/22-ea+16/javafx-graphics-22-ea+16-linux.jar!/" />
+      <root url="jar://$MAVEN_REPOSITORY$/org/openjfx/javafx-graphics/22-ea+16/javafx-graphics-22-ea+16-win.jar!/" />
       <root url="jar://$MAVEN_REPOSITORY$/org/openjfx/javafx-base/22-ea+16/javafx-base-22-ea+16.jar!/" />
-      <root url="jar://$MAVEN_REPOSITORY$/org/openjfx/javafx-base/22-ea+16/javafx-base-22-ea+16-linux.jar!/" />
+      <root url="jar://$MAVEN_REPOSITORY$/org/openjfx/javafx-base/22-ea+16/javafx-base-22-ea+16-win.jar!/" />
     </CLASSES>
     <JAVADOC />
     <SOURCES />
diff --git a/.idea/libraries/openjfx_javafx_graphics.xml b/.idea/libraries/openjfx_javafx_graphics.xml
index 8fdcc88..0cfcecc 100644
--- a/.idea/libraries/openjfx_javafx_graphics.xml
+++ b/.idea/libraries/openjfx_javafx_graphics.xml
@@ -3,9 +3,9 @@
     <properties maven-id="org.openjfx:javafx-graphics:22-ea+16" />
     <CLASSES>
       <root url="jar://$MAVEN_REPOSITORY$/org/openjfx/javafx-graphics/22-ea+16/javafx-graphics-22-ea+16.jar!/" />
-      <root url="jar://$MAVEN_REPOSITORY$/org/openjfx/javafx-graphics/22-ea+16/javafx-graphics-22-ea+16-linux.jar!/" />
+      <root url="jar://$MAVEN_REPOSITORY$/org/openjfx/javafx-graphics/22-ea+16/javafx-graphics-22-ea+16-win.jar!/" />
       <root url="jar://$MAVEN_REPOSITORY$/org/openjfx/javafx-base/22-ea+16/javafx-base-22-ea+16.jar!/" />
-      <root url="jar://$MAVEN_REPOSITORY$/org/openjfx/javafx-base/22-ea+16/javafx-base-22-ea+16-linux.jar!/" />
+      <root url="jar://$MAVEN_REPOSITORY$/org/openjfx/javafx-base/22-ea+16/javafx-base-22-ea+16-win.jar!/" />
     </CLASSES>
     <JAVADOC />
     <SOURCES />
diff --git a/WS23_24/Anwendungsentwicklung/Anwendungsentwicklung.iml b/WS23_24/Anwendungsentwicklung/Anwendungsentwicklung.iml
index a993c1c..bd5bf97 100644
--- a/WS23_24/Anwendungsentwicklung/Anwendungsentwicklung.iml
+++ b/WS23_24/Anwendungsentwicklung/Anwendungsentwicklung.iml
@@ -11,5 +11,6 @@
     <orderEntry type="library" name="openjfx.javafx.graphics" level="project" />
     <orderEntry type="library" name="openjfx.javafx.controls" level="project" />
     <orderEntry type="library" name="scala-sdk-2.13.12" level="application" />
+    <orderEntry type="library" name="scala-sdk-2.13.12" level="application" />
   </component>
 </module>
\ No newline at end of file
diff --git a/WS23_24/Anwendungsentwicklung/src/Klausur_ueb/Lambda.scala b/WS23_24/Anwendungsentwicklung/src/Klausur_ueb/Lambda.scala
index 510d4dd..0dc6941 100644
--- a/WS23_24/Anwendungsentwicklung/src/Klausur_ueb/Lambda.scala
+++ b/WS23_24/Anwendungsentwicklung/src/Klausur_ueb/Lambda.scala
@@ -2,13 +2,16 @@ package Klausur_ueb
 
 object Lambda {
   def main(args: Array[String]): Unit = {
-    val a = Array(1, 2, 3, 4, 5)
-    val summe = a.reduce((x: Int, y: Int) => x + y)
+    val a = Array(1.0, 2.0, 3.0, 4.0, 5.0)
+    val summe = a.reduce((x: Double, y: Double) => x + y)
     val summeKuerzer = a.reduce((x, y) => x + y)
-    val summeNochKuerzer = a.reduce(_ * _)
+    val prodNochKuerzer = a.reduce(_ * _)
+    val qNochKuerzer = a.reduce(_ / _)
     val summeGanzKurz = a.sum //vordefiniert
     println(summeGanzKurz)
-    println(summeNochKuerzer)
+    println(prodNochKuerzer)
+    println(qNochKuerzer)
+    println(1.0/120.0)
   }
 
 }
diff --git a/WS23_24/Anwendungsentwicklung/src/P10/FrenchDude.scala b/WS23_24/Anwendungsentwicklung/src/P10/FrenchDude.scala
index 8e02047..76d5338 100644
--- a/WS23_24/Anwendungsentwicklung/src/P10/FrenchDude.scala
+++ b/WS23_24/Anwendungsentwicklung/src/P10/FrenchDude.scala
@@ -4,19 +4,47 @@ import scala.annotation.tailrec
 
 object FrenchDude {
   def main(args: Array[String]): Unit = {
-
+    startPascal(5)
+    println(" ")
+    startPascal2(5)
   }
-  def pascalTriangle(c: Int, r: Int): Int = {
-    @tailrec
-    def loop(c0: Int, r0: Int, pred: Array[Int], cur: Array[Int]): Int = {
-      cur(c0) = (if (c0 > 0) pred(c0 - 1) else 0) + (if (c0 < r0) pred(c0) else 0)
 
-      if ((c0 == c) && (r0 == r)) cur(c0)
-      else if (c0 < r0) loop(c0 + 1, r0, pred, cur)
-      else loop(0, r0 + 1, cur, new Array(_length = r0 + 2))
+  def startPascal(n:Int):Unit={
+    pascal(Array(1),n)
+  }
+  def startPascal2(n:Int):Unit={
+    pascal2(Array(1),n)
+  }
+
+  //Endrekursiv
+  @tailrec
+  def pascal (arr:Array[Int],n:Int): Unit = {
+    arr.foreach(v => print(v+" "))
+    var newArr = Array[Int]()
+    newArr = newArr :+ 1
+    for (i <- arr.indices){
+      if (i<arr.length-1)
+        newArr = newArr:+ arr(i)+arr(i+1)
     }
+    newArr = newArr :+ 1
+    println()
+    if(newArr.length <= n+1)
+      pascal(newArr,n)
+  }
 
-    if ((c == 0) && (r == 0)) 1
-    else loop(0, 1, Array(1), Array(0, 0))
+  //Rekursiv, aber nicht Endrekursiv
+  def pascal2 (arr:Array[Int],n:Int): Unit = {
+    arr.foreach(v => print(v+" "))
+    var newArr = Array[Int]()
+    newArr = newArr :+ 1
+    for (i <- arr.indices){
+      if (i<arr.length-1)
+        newArr = newArr:+ arr(i)+arr(i+1)
+    }
+    newArr = newArr :+ 1
+    println()
+    if(newArr.length <= n+1)
+      pascal2(newArr,n)
+    println()
   }
 }
diff --git a/WS23_24/Anwendungsentwicklung/src/P9/Counter.scala b/WS23_24/Anwendungsentwicklung/src/P9/Counter.scala
new file mode 100644
index 0000000..3da4d1b
--- /dev/null
+++ b/WS23_24/Anwendungsentwicklung/src/P9/Counter.scala
@@ -0,0 +1,45 @@
+package P9
+
+import scala.annotation.tailrec
+
+object Counter {
+  def main(args: Array[String]) {
+    val arr = Array('a', 'b', 'a', 'a', 'c', 'c', 'c', 'b', 'b', 'a')
+    val arr2 = Array(1,1,1,3,3,2,2,1,1,4)
+    startCount(arr2)
+    println("Count 2: ")
+    startCount2(arr)
+  }
+
+  def startCount(arr: Array[?]): Unit = {
+    val dsArr = arr.distinct
+    val list: List[Int] = List()
+    count(arr, dsArr,0)
+  }
+  def startCount2(arr: Array[?]): Unit = {
+    val dsArr = arr.distinct
+    val list: List[Int] = List()
+    count2(arr, dsArr,0)
+  }
+
+  //Endrekursiv
+  @tailrec
+  def count(searchArr: Array[?], containArr: Array[?], index:Int): Unit = {
+    if (index >= containArr.length)
+      println("end")
+    else {
+      println(containArr(index).toString + ": " +  searchArr.count(_==containArr(index)))
+      count(searchArr, containArr, index+1)
+    }
+  }
+
+  //Rekursiv, aber nicht Endrekursiv
+  def count2(searchArr: Array[?], containArr: Array[?], index:Int): Unit = {
+    if (index >= containArr.length)
+      println("end")
+    else {
+      count2(searchArr, containArr, index+1)
+      println(containArr(index).toString + ": " +  searchArr.count(_==containArr(index)))
+    }
+  }
+}
diff --git a/WS23_24/Anwendungsentwicklung/src/P9/Numbers.scala b/WS23_24/Anwendungsentwicklung/src/P9/Numbers.scala
deleted file mode 100644
index 530cd1f..0000000
--- a/WS23_24/Anwendungsentwicklung/src/P9/Numbers.scala
+++ /dev/null
@@ -1,10 +0,0 @@
-package P9
-
-object Numbers {
-  def main(args: Array[String]) {
-    println()
-  }
-
-
-
-}
diff --git a/WS23_24/Anwendungsentwicklung/src/P9/Palindrom.scala b/WS23_24/Anwendungsentwicklung/src/P9/Palindrom.scala
deleted file mode 100644
index 5971f56..0000000
--- a/WS23_24/Anwendungsentwicklung/src/P9/Palindrom.scala
+++ /dev/null
@@ -1,12 +0,0 @@
-object Palindrom {
-  def main(args: Array[String]) {
-    println(startCheck("ABCCBA"))
-  }
-
-  def startCheck(word: String): Boolean = {
-     check(0, word)
-  }
-  def check(i: Int, word: String): Boolean = {
-    if((word.length/2)<=i)  true else if (word.charAt(i)==word.charAt(word.length-i-1)&&check(i+1,word))  true else false
-  }
-}
\ No newline at end of file
diff --git a/WS23_24/Anwendungsentwicklung/src/P9/Palindrome.scala b/WS23_24/Anwendungsentwicklung/src/P9/Palindrome.scala
new file mode 100644
index 0000000..16f1627
--- /dev/null
+++ b/WS23_24/Anwendungsentwicklung/src/P9/Palindrome.scala
@@ -0,0 +1,28 @@
+package P9
+
+import scala.annotation.tailrec
+
+object Palindrome {
+  def main(args: Array[String]): Unit = {
+    val word = "ABCDCBA"
+    println(startCheck(word))
+    println(startCheck2(word))
+  }
+
+  private def startCheck(word: String): Boolean = {
+    check(0, word)
+  }
+
+  private def startCheck2(word: String): Boolean = {
+    check2(0, word)
+  }
+
+  @tailrec
+  private def check(i: Int, word: String): Boolean = {
+    ((word.length / 2) <= i) || (word.charAt(i) == word.charAt(word.length - i - 1) && check(i + 1, word)) //endrekursiv i guess
+  }
+
+  private def check2(i: Int, word: String): Boolean = {
+    ((word.length / 2) <= i) || check2(i + 1, word) && (word.charAt(i) == word.charAt(word.length - i - 1)) //rekursiv, aber nicht endrekursiv
+  }
+}
\ No newline at end of file
diff --git a/out/production/Anwendungsentwicklung/Klausur_ueb/Lambda$.class b/out/production/Anwendungsentwicklung/Klausur_ueb/Lambda$.class
index fdc1e3d..6a163ee 100644
Binary files a/out/production/Anwendungsentwicklung/Klausur_ueb/Lambda$.class and b/out/production/Anwendungsentwicklung/Klausur_ueb/Lambda$.class differ
diff --git a/out/production/Anwendungsentwicklung/P10/FrenchDude$.class b/out/production/Anwendungsentwicklung/P10/FrenchDude$.class
index 94140bb..90ef9a0 100644
Binary files a/out/production/Anwendungsentwicklung/P10/FrenchDude$.class and b/out/production/Anwendungsentwicklung/P10/FrenchDude$.class differ
diff --git a/out/production/Anwendungsentwicklung/P10/FrenchDude.class b/out/production/Anwendungsentwicklung/P10/FrenchDude.class
index a0472c0..d5d1a20 100644
Binary files a/out/production/Anwendungsentwicklung/P10/FrenchDude.class and b/out/production/Anwendungsentwicklung/P10/FrenchDude.class differ
diff --git a/out/production/Anwendungsentwicklung/P9/Numbers$.class b/out/production/Anwendungsentwicklung/P9/Numbers$.class
index 12d9dd3..cca3c7d 100644
Binary files a/out/production/Anwendungsentwicklung/P9/Numbers$.class and b/out/production/Anwendungsentwicklung/P9/Numbers$.class differ
diff --git a/out/production/Anwendungsentwicklung/P9/Numbers.class b/out/production/Anwendungsentwicklung/P9/Numbers.class
index deb8a30..1014937 100644
Binary files a/out/production/Anwendungsentwicklung/P9/Numbers.class and b/out/production/Anwendungsentwicklung/P9/Numbers.class differ
diff --git a/out/production/Anwendungsentwicklung/P9/Palindrome$.class b/out/production/Anwendungsentwicklung/P9/Palindrome$.class
new file mode 100644
index 0000000..56739ab
Binary files /dev/null and b/out/production/Anwendungsentwicklung/P9/Palindrome$.class differ
diff --git a/out/production/Anwendungsentwicklung/P9/Palindrome.class b/out/production/Anwendungsentwicklung/P9/Palindrome.class
new file mode 100644
index 0000000..cad8ebf
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diff --git a/out/production/Anwendungsentwicklung/Palindrom$.class b/out/production/Anwendungsentwicklung/Palindrom$.class
deleted file mode 100644
index 6c538b5..0000000
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diff --git a/out/production/Anwendungsentwicklung/Palindrom.class b/out/production/Anwendungsentwicklung/Palindrom.class
deleted file mode 100644
index 23f3132..0000000
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