From 8901dea11bf72bd3b7d031b914c07d5b4e4f24f2 Mon Sep 17 00:00:00 2001
From: sageTheDM <info@photofuel.tech>
Date: Thu, 19 Dec 2024 07:51:04 +0100
Subject: [PATCH] Mittwoch lesson

---
 Code/Steiner/Zootest/.vscode/settings.json    |   7 ++
 Code/Steiner/Zootest/README.md                |  18 ++++
 Code/Steiner/Zootest/bin/Animal.class         | Bin 0 -> 263 bytes
 Code/Steiner/Zootest/bin/Camel.class          | Bin 0 -> 596 bytes
 Code/Steiner/Zootest/bin/Climbing.class       | Bin 0 -> 119 bytes
 Code/Steiner/Zootest/bin/Eagle.class          | Bin 0 -> 720 bytes
 Code/Steiner/Zootest/bin/Flying.class         | Bin 0 -> 113 bytes
 Code/Steiner/Zootest/bin/Frog.class           | Bin 0 -> 714 bytes
 Code/Steiner/Zootest/bin/Swimming.class       | Bin 0 -> 118 bytes
 Code/Steiner/Zootest/bin/ZooTest.class        | Bin 0 -> 685 bytes
 Code/Steiner/Zootest/src/Animal.java          |   3 +
 Code/Steiner/Zootest/src/Camel.java           |  11 ++
 Code/Steiner/Zootest/src/Climbing.java        |   3 +
 Code/Steiner/Zootest/src/Eagle.java           |  16 +++
 Code/Steiner/Zootest/src/Flying.java          |   4 +
 Code/Steiner/Zootest/src/Frog.java            |  16 +++
 Code/Steiner/Zootest/src/Swimming.java        |   3 +
 Code/Steiner/Zootest/src/ZooTest.java         |  17 +++
 .../.vscode/settings.json                     |   7 ++
 .../finallyTryCatchAndFinally/README.md       |  18 ++++
 .../finallyTryCatchAndFinally/bin/App.class   | Bin 0 -> 2245 bytes
 .../finallyTryCatchAndFinally/src/App.java    |  32 ++++++
 .../.vscode/settings.json                     |   7 ++
 Code/Steiner/fractionsSteinerTask/README.md   |  18 ++++
 .../fractionsSteinerTask/bin/Anteil.class     | Bin 0 -> 1120 bytes
 .../fractionsSteinerTask/bin/AnteilTest.class | Bin 0 -> 2006 bytes
 .../fractionsSteinerTask/bin/Bruch.class      | Bin 0 -> 2894 bytes
 .../fractionsSteinerTask/bin/BruchTest.class  | Bin 0 -> 2971 bytes
 .../fractionsSteinerTask/src/Anteil.java      |  34 ++++++
 .../fractionsSteinerTask/src/AnteilTest.java  |  57 ++++++++++
 .../fractionsSteinerTask/src/Bruch.java       | 101 ++++++++++++++++++
 .../fractionsSteinerTask/src/BruchTest.java   |  78 ++++++++++++++
 .../.vscode/settings.json                     |   7 ++
 Code/Steiner/interfacesTwoTesting/README.md   |  18 ++++
 .../interfacesTwoTesting/bin/App.class        | Bin 0 -> 478 bytes
 .../interfacesTwoTesting/bin/Hans.class       | Bin 0 -> 481 bytes
 .../interfacesTwoTesting/bin/ISleep.class     | Bin 0 -> 114 bytes
 .../interfacesTwoTesting/bin/IWalk.class      | Bin 0 -> 112 bytes
 .../Steiner/interfacesTwoTesting/src/App.java |   6 ++
 .../interfacesTwoTesting/src/Hans.java        |   8 ++
 .../interfacesTwoTesting/src/ISleep.java      |   3 +
 .../interfacesTwoTesting/src/IWalk.java       |   3 +
 .../.vscode/settings.json                     |   7 ++
 .../paymentSystemWithInterfaces/README.md     |  18 ++++
 .../paymentSystemWithInterfaces/bin/App.class | Bin 0 -> 1018 bytes
 .../bin/BankTransferPayment.class             | Bin 0 -> 1093 bytes
 .../bin/CreditCardPayment.class               | Bin 0 -> 1192 bytes
 .../bin/IPay.class                            | Bin 0 -> 110 bytes
 .../bin/PayPalPayment.class                   | Bin 0 -> 1064 bytes
 .../bin/Payment.class                         | Bin 0 -> 279 bytes
 .../paymentSystemWithInterfaces/src/App.java  |  24 +++++
 .../src/BankTransferPayment.java              |  12 +++
 .../src/CreditCardPayment.java                |  14 +++
 .../paymentSystemWithInterfaces/src/IPay.java |   3 +
 .../src/PayPalPayment.java                    |  12 +++
 .../src/Payment.java                          |   3 +
 .../tryCatchTask/.vscode/settings.json        |   7 ++
 Code/Steiner/tryCatchTask/README.md           |  18 ++++
 Code/Steiner/tryCatchTask/bin/App.class       | Bin 0 -> 1926 bytes
 Code/Steiner/tryCatchTask/src/App.java        |  28 +++++
 Code/Steiner/tryCatchTask/test.txt            |  22 ++++
 61 files changed, 663 insertions(+)
 create mode 100644 Code/Steiner/Zootest/.vscode/settings.json
 create mode 100644 Code/Steiner/Zootest/README.md
 create mode 100644 Code/Steiner/Zootest/bin/Animal.class
 create mode 100644 Code/Steiner/Zootest/bin/Camel.class
 create mode 100644 Code/Steiner/Zootest/bin/Climbing.class
 create mode 100644 Code/Steiner/Zootest/bin/Eagle.class
 create mode 100644 Code/Steiner/Zootest/bin/Flying.class
 create mode 100644 Code/Steiner/Zootest/bin/Frog.class
 create mode 100644 Code/Steiner/Zootest/bin/Swimming.class
 create mode 100644 Code/Steiner/Zootest/bin/ZooTest.class
 create mode 100644 Code/Steiner/Zootest/src/Animal.java
 create mode 100644 Code/Steiner/Zootest/src/Camel.java
 create mode 100644 Code/Steiner/Zootest/src/Climbing.java
 create mode 100644 Code/Steiner/Zootest/src/Eagle.java
 create mode 100644 Code/Steiner/Zootest/src/Flying.java
 create mode 100644 Code/Steiner/Zootest/src/Frog.java
 create mode 100644 Code/Steiner/Zootest/src/Swimming.java
 create mode 100644 Code/Steiner/Zootest/src/ZooTest.java
 create mode 100644 Code/Steiner/finallyTryCatchAndFinally/.vscode/settings.json
 create mode 100644 Code/Steiner/finallyTryCatchAndFinally/README.md
 create mode 100644 Code/Steiner/finallyTryCatchAndFinally/bin/App.class
 create mode 100644 Code/Steiner/finallyTryCatchAndFinally/src/App.java
 create mode 100644 Code/Steiner/fractionsSteinerTask/.vscode/settings.json
 create mode 100644 Code/Steiner/fractionsSteinerTask/README.md
 create mode 100644 Code/Steiner/fractionsSteinerTask/bin/Anteil.class
 create mode 100644 Code/Steiner/fractionsSteinerTask/bin/AnteilTest.class
 create mode 100644 Code/Steiner/fractionsSteinerTask/bin/Bruch.class
 create mode 100644 Code/Steiner/fractionsSteinerTask/bin/BruchTest.class
 create mode 100644 Code/Steiner/fractionsSteinerTask/src/Anteil.java
 create mode 100644 Code/Steiner/fractionsSteinerTask/src/AnteilTest.java
 create mode 100644 Code/Steiner/fractionsSteinerTask/src/Bruch.java
 create mode 100644 Code/Steiner/fractionsSteinerTask/src/BruchTest.java
 create mode 100644 Code/Steiner/interfacesTwoTesting/.vscode/settings.json
 create mode 100644 Code/Steiner/interfacesTwoTesting/README.md
 create mode 100644 Code/Steiner/interfacesTwoTesting/bin/App.class
 create mode 100644 Code/Steiner/interfacesTwoTesting/bin/Hans.class
 create mode 100644 Code/Steiner/interfacesTwoTesting/bin/ISleep.class
 create mode 100644 Code/Steiner/interfacesTwoTesting/bin/IWalk.class
 create mode 100644 Code/Steiner/interfacesTwoTesting/src/App.java
 create mode 100644 Code/Steiner/interfacesTwoTesting/src/Hans.java
 create mode 100644 Code/Steiner/interfacesTwoTesting/src/ISleep.java
 create mode 100644 Code/Steiner/interfacesTwoTesting/src/IWalk.java
 create mode 100644 Code/Steiner/paymentSystemWithInterfaces/.vscode/settings.json
 create mode 100644 Code/Steiner/paymentSystemWithInterfaces/README.md
 create mode 100644 Code/Steiner/paymentSystemWithInterfaces/bin/App.class
 create mode 100644 Code/Steiner/paymentSystemWithInterfaces/bin/BankTransferPayment.class
 create mode 100644 Code/Steiner/paymentSystemWithInterfaces/bin/CreditCardPayment.class
 create mode 100644 Code/Steiner/paymentSystemWithInterfaces/bin/IPay.class
 create mode 100644 Code/Steiner/paymentSystemWithInterfaces/bin/PayPalPayment.class
 create mode 100644 Code/Steiner/paymentSystemWithInterfaces/bin/Payment.class
 create mode 100644 Code/Steiner/paymentSystemWithInterfaces/src/App.java
 create mode 100644 Code/Steiner/paymentSystemWithInterfaces/src/BankTransferPayment.java
 create mode 100644 Code/Steiner/paymentSystemWithInterfaces/src/CreditCardPayment.java
 create mode 100644 Code/Steiner/paymentSystemWithInterfaces/src/IPay.java
 create mode 100644 Code/Steiner/paymentSystemWithInterfaces/src/PayPalPayment.java
 create mode 100644 Code/Steiner/paymentSystemWithInterfaces/src/Payment.java
 create mode 100644 Code/Steiner/tryCatchTask/.vscode/settings.json
 create mode 100644 Code/Steiner/tryCatchTask/README.md
 create mode 100644 Code/Steiner/tryCatchTask/bin/App.class
 create mode 100644 Code/Steiner/tryCatchTask/src/App.java
 create mode 100644 Code/Steiner/tryCatchTask/test.txt

diff --git a/Code/Steiner/Zootest/.vscode/settings.json b/Code/Steiner/Zootest/.vscode/settings.json
new file mode 100644
index 0000000..e112a70
--- /dev/null
+++ b/Code/Steiner/Zootest/.vscode/settings.json
@@ -0,0 +1,7 @@
+{
+    "java.project.sourcePaths": ["src"],
+    "java.project.outputPath": "bin",
+    "java.project.referencedLibraries": [
+        "lib/**/*.jar"
+    ]
+}
diff --git a/Code/Steiner/Zootest/README.md b/Code/Steiner/Zootest/README.md
new file mode 100644
index 0000000..7c03a53
--- /dev/null
+++ b/Code/Steiner/Zootest/README.md
@@ -0,0 +1,18 @@
+## Getting Started
+
+Welcome to the VS Code Java world. Here is a guideline to help you get started to write Java code in Visual Studio Code.
+
+## Folder Structure
+
+The workspace contains two folders by default, where:
+
+- `src`: the folder to maintain sources
+- `lib`: the folder to maintain dependencies
+
+Meanwhile, the compiled output files will be generated in the `bin` folder by default.
+
+> If you want to customize the folder structure, open `.vscode/settings.json` and update the related settings there.
+
+## Dependency Management
+
+The `JAVA PROJECTS` view allows you to manage your dependencies. More details can be found [here](https://github.com/microsoft/vscode-java-dependency#manage-dependencies).
diff --git a/Code/Steiner/Zootest/bin/Animal.class b/Code/Steiner/Zootest/bin/Animal.class
new file mode 100644
index 0000000000000000000000000000000000000000..13fa31a55c3eef0957cb02549f9c417bbaf2b9cd
GIT binary patch
literal 263
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zGxK^so}Ulq=s2(lm6=wFh#lAj?<lUqkA>d*tMDkJobg0yl}`z!{$NY6=jl$mD52Is
z85Kf1P+Bf8Nhq_82xCd;25BVXt;m$A|Ce@tP-j9lDALA+S|UzzonG{g;Ie0tTqrYN
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literal 0
HcmV?d00001

diff --git a/Code/Steiner/Zootest/bin/Camel.class b/Code/Steiner/Zootest/bin/Camel.class
new file mode 100644
index 0000000000000000000000000000000000000000..53af88447ceb2770ee1dabda7aa73a6eb6abeefe
GIT binary patch
literal 596
zcmZutO;5r=5Pbub(pp79@LP*|Ko4;AfH5%`PsEsDxG%85)pl#zV&c!zgC-vQ0sbg)
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diff --git a/Code/Steiner/Zootest/bin/Climbing.class b/Code/Steiner/Zootest/bin/Climbing.class
new file mode 100644
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GIT binary patch
literal 119
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HcmV?d00001

diff --git a/Code/Steiner/Zootest/bin/Eagle.class b/Code/Steiner/Zootest/bin/Eagle.class
new file mode 100644
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GIT binary patch
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diff --git a/Code/Steiner/Zootest/bin/Flying.class b/Code/Steiner/Zootest/bin/Flying.class
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GIT binary patch
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diff --git a/Code/Steiner/Zootest/bin/Frog.class b/Code/Steiner/Zootest/bin/Frog.class
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GIT binary patch
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diff --git a/Code/Steiner/Zootest/bin/Swimming.class b/Code/Steiner/Zootest/bin/Swimming.class
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GIT binary patch
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HcmV?d00001

diff --git a/Code/Steiner/Zootest/bin/ZooTest.class b/Code/Steiner/Zootest/bin/ZooTest.class
new file mode 100644
index 0000000000000000000000000000000000000000..a3dead681e059cdbcccb6a93a7bb256b8a0bdcf6
GIT binary patch
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literal 0
HcmV?d00001

diff --git a/Code/Steiner/Zootest/src/Animal.java b/Code/Steiner/Zootest/src/Animal.java
new file mode 100644
index 0000000..186a13f
--- /dev/null
+++ b/Code/Steiner/Zootest/src/Animal.java
@@ -0,0 +1,3 @@
+public abstract class Animal {
+    public abstract void makeSound();
+}
diff --git a/Code/Steiner/Zootest/src/Camel.java b/Code/Steiner/Zootest/src/Camel.java
new file mode 100644
index 0000000..3aab531
--- /dev/null
+++ b/Code/Steiner/Zootest/src/Camel.java
@@ -0,0 +1,11 @@
+public class Camel extends Animal implements Climbing {
+    @Override
+    public void makeSound() {
+        System.out.println("Desert Camel grumbles!");
+    }
+
+    @Override
+    public void climb() {
+        System.out.println("Desert Camel climbs a dune.");
+    }
+}
diff --git a/Code/Steiner/Zootest/src/Climbing.java b/Code/Steiner/Zootest/src/Climbing.java
new file mode 100644
index 0000000..dda71ed
--- /dev/null
+++ b/Code/Steiner/Zootest/src/Climbing.java
@@ -0,0 +1,3 @@
+public interface Climbing {
+    void climb();
+}
diff --git a/Code/Steiner/Zootest/src/Eagle.java b/Code/Steiner/Zootest/src/Eagle.java
new file mode 100644
index 0000000..3bb72c6
--- /dev/null
+++ b/Code/Steiner/Zootest/src/Eagle.java
@@ -0,0 +1,16 @@
+public class Eagle extends Animal implements Flying, Swimming {
+    @Override
+    public void makeSound() {
+        System.out.println("Eagle screams!");
+    }
+
+    @Override
+    public void fly() {
+        System.out.println("Eagle flies high in the sky.");
+    }
+
+    @Override
+    public void swim() {
+        System.out.println("Eagle fishes in the water (swims...).");
+    }
+}
diff --git a/Code/Steiner/Zootest/src/Flying.java b/Code/Steiner/Zootest/src/Flying.java
new file mode 100644
index 0000000..6207c18
--- /dev/null
+++ b/Code/Steiner/Zootest/src/Flying.java
@@ -0,0 +1,4 @@
+public interface Flying {
+    void fly();
+}
+
diff --git a/Code/Steiner/Zootest/src/Frog.java b/Code/Steiner/Zootest/src/Frog.java
new file mode 100644
index 0000000..c0768cc
--- /dev/null
+++ b/Code/Steiner/Zootest/src/Frog.java
@@ -0,0 +1,16 @@
+public class Frog extends Animal implements Swimming, Climbing {
+    @Override
+    public void makeSound() {
+        System.out.println("Green Frog croaks!");
+    }
+
+    @Override
+    public void swim() {
+        System.out.println("Green Frog swims in the pond.");
+    }
+
+    @Override
+    public void climb() {
+        System.out.println("Green Frog climbs a tree.");
+    }
+}
diff --git a/Code/Steiner/Zootest/src/Swimming.java b/Code/Steiner/Zootest/src/Swimming.java
new file mode 100644
index 0000000..8df57a6
--- /dev/null
+++ b/Code/Steiner/Zootest/src/Swimming.java
@@ -0,0 +1,3 @@
+public interface Swimming {
+    void swim();
+}
diff --git a/Code/Steiner/Zootest/src/ZooTest.java b/Code/Steiner/Zootest/src/ZooTest.java
new file mode 100644
index 0000000..f0d3c01
--- /dev/null
+++ b/Code/Steiner/Zootest/src/ZooTest.java
@@ -0,0 +1,17 @@
+public class ZooTest {
+    public static void main(String[] args) {
+        Animal eagle = new Eagle();
+        eagle.makeSound();
+        ((Eagle) eagle).fly();
+        ((Eagle) eagle).swim();
+
+        Animal frog = new Frog();
+        frog.makeSound();
+        ((Frog) frog).swim();
+        ((Frog) frog).climb();
+
+        Animal camel = new Camel();
+        camel.makeSound();
+        ((Camel) camel).climb();
+    }
+}
diff --git a/Code/Steiner/finallyTryCatchAndFinally/.vscode/settings.json b/Code/Steiner/finallyTryCatchAndFinally/.vscode/settings.json
new file mode 100644
index 0000000..e112a70
--- /dev/null
+++ b/Code/Steiner/finallyTryCatchAndFinally/.vscode/settings.json
@@ -0,0 +1,7 @@
+{
+    "java.project.sourcePaths": ["src"],
+    "java.project.outputPath": "bin",
+    "java.project.referencedLibraries": [
+        "lib/**/*.jar"
+    ]
+}
diff --git a/Code/Steiner/finallyTryCatchAndFinally/README.md b/Code/Steiner/finallyTryCatchAndFinally/README.md
new file mode 100644
index 0000000..7c03a53
--- /dev/null
+++ b/Code/Steiner/finallyTryCatchAndFinally/README.md
@@ -0,0 +1,18 @@
+## Getting Started
+
+Welcome to the VS Code Java world. Here is a guideline to help you get started to write Java code in Visual Studio Code.
+
+## Folder Structure
+
+The workspace contains two folders by default, where:
+
+- `src`: the folder to maintain sources
+- `lib`: the folder to maintain dependencies
+
+Meanwhile, the compiled output files will be generated in the `bin` folder by default.
+
+> If you want to customize the folder structure, open `.vscode/settings.json` and update the related settings there.
+
+## Dependency Management
+
+The `JAVA PROJECTS` view allows you to manage your dependencies. More details can be found [here](https://github.com/microsoft/vscode-java-dependency#manage-dependencies).
diff --git a/Code/Steiner/finallyTryCatchAndFinally/bin/App.class b/Code/Steiner/finallyTryCatchAndFinally/bin/App.class
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literal 0
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diff --git a/Code/Steiner/finallyTryCatchAndFinally/src/App.java b/Code/Steiner/finallyTryCatchAndFinally/src/App.java
new file mode 100644
index 0000000..105870c
--- /dev/null
+++ b/Code/Steiner/finallyTryCatchAndFinally/src/App.java
@@ -0,0 +1,32 @@
+public class App {
+    public static void main(String[] args) throws Exception {
+        String text = null;
+        int zahler = 24;
+        int nenner = 0;
+
+        try {
+            System.out.println(text.length());
+            System.out.println(zahler / nenner);
+        } catch (ArithmeticException e1) {
+            System.out.println("fehler: " + e1.getMessage());
+        } catch (Exception e) {
+            System.out.println("fehler: " + e.getMessage());
+        } finally {
+            System.out.println("ABORT");
+            Thread.sleep(1000);
+            clear();
+        }
+    }
+
+    public static void clear() {
+        try {
+            if (System.getProperty("os.name").contains("Windows")) {
+                new ProcessBuilder("cmd", "/c", "cls").inheritIO().start().waitFor();
+            } else {
+                new ProcessBuilder("clear").inheritIO().start().waitFor();
+            }
+        } catch (Exception e) {
+            e.getMessage();
+        }
+    }
+}
diff --git a/Code/Steiner/fractionsSteinerTask/.vscode/settings.json b/Code/Steiner/fractionsSteinerTask/.vscode/settings.json
new file mode 100644
index 0000000..e112a70
--- /dev/null
+++ b/Code/Steiner/fractionsSteinerTask/.vscode/settings.json
@@ -0,0 +1,7 @@
+{
+    "java.project.sourcePaths": ["src"],
+    "java.project.outputPath": "bin",
+    "java.project.referencedLibraries": [
+        "lib/**/*.jar"
+    ]
+}
diff --git a/Code/Steiner/fractionsSteinerTask/README.md b/Code/Steiner/fractionsSteinerTask/README.md
new file mode 100644
index 0000000..7c03a53
--- /dev/null
+++ b/Code/Steiner/fractionsSteinerTask/README.md
@@ -0,0 +1,18 @@
+## Getting Started
+
+Welcome to the VS Code Java world. Here is a guideline to help you get started to write Java code in Visual Studio Code.
+
+## Folder Structure
+
+The workspace contains two folders by default, where:
+
+- `src`: the folder to maintain sources
+- `lib`: the folder to maintain dependencies
+
+Meanwhile, the compiled output files will be generated in the `bin` folder by default.
+
+> If you want to customize the folder structure, open `.vscode/settings.json` and update the related settings there.
+
+## Dependency Management
+
+The `JAVA PROJECTS` view allows you to manage your dependencies. More details can be found [here](https://github.com/microsoft/vscode-java-dependency#manage-dependencies).
diff --git a/Code/Steiner/fractionsSteinerTask/bin/Anteil.class b/Code/Steiner/fractionsSteinerTask/bin/Anteil.class
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diff --git a/Code/Steiner/fractionsSteinerTask/bin/AnteilTest.class b/Code/Steiner/fractionsSteinerTask/bin/AnteilTest.class
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literal 0
HcmV?d00001

diff --git a/Code/Steiner/fractionsSteinerTask/src/Anteil.java b/Code/Steiner/fractionsSteinerTask/src/Anteil.java
new file mode 100644
index 0000000..e92dd14
--- /dev/null
+++ b/Code/Steiner/fractionsSteinerTask/src/Anteil.java
@@ -0,0 +1,34 @@
+public class Anteil extends Bruch {
+
+    private static Bruch verteilt = new Bruch(0, 1);
+
+    // Standardkonstruktor: Anteil = 0
+    public Anteil() {
+        super(0, 1);
+    }
+
+    // Konstruktor mit Zähler und Nenner
+    public Anteil(int z, int n) {
+        super(z, n);
+        Bruch neuerAnteil = new Bruch(z, n);
+        verteilt = verteilt.addiere(neuerAnteil);
+
+        if (verteilt.dezimalwert() > 1) {
+            System.out.println("Fehler: Der Gesamtwert der verteilten Anteile übersteigt 1.");
+            verteilt = verteilt.subtrahiere(neuerAnteil); // Rollback des Fehlers
+            setZaehler(0); // Setzt Anteil zurück
+            setNenner(1);
+        }
+    }
+
+    // Methode, um den verteilten Anteil als double zu erhalten
+    public static double getVerteilt() {
+        return verteilt.dezimalwert();
+    }
+
+    // Methode, um den verbleibenden Anteil als Bruch zu erhalten
+    public static Bruch getRest() {
+        Bruch eins = new Bruch(1, 1);
+        return eins.subtrahiere(verteilt);
+    }
+}
diff --git a/Code/Steiner/fractionsSteinerTask/src/AnteilTest.java b/Code/Steiner/fractionsSteinerTask/src/AnteilTest.java
new file mode 100644
index 0000000..456c9e2
--- /dev/null
+++ b/Code/Steiner/fractionsSteinerTask/src/AnteilTest.java
@@ -0,0 +1,57 @@
+public class AnteilTest {
+    public static void main(String[] args) {
+
+        // Bruch-Test
+
+        System.out.println("*** Aufgabe Bruch ergänzen");
+
+        Bruch bruch1 = new Bruch(1, 2);
+
+        Bruch bruch2 = new Bruch(3, 4);
+
+        Bruch bruch3 = bruch1.addiere(bruch2);
+
+        bruch3.gekuerztausgeben();
+
+        System.out.println("");
+
+        System.out.println(bruch3.dezimalwert());
+
+        Bruch bruch4 = bruch1.subtrahiere(bruch2);
+
+        bruch4.gekuerztausgeben();
+
+        System.out.println("");
+
+        System.out.println(bruch4.dezimalwert());
+
+        // Anteil-Test
+
+        System.out.println("");
+
+        System.out.println("*** Aufgabe Anteil");
+
+        int vermoegen = 200000;
+
+        Anteil anteil1 = new Anteil(1, 4);
+
+        Anteil anteil2 = new Anteil(1, 2);
+
+        System.out.println("Anteil anteil1: " + anteil1.bruchToString());
+
+        System.out.println("Betrag von anteil1: " + vermoegen * anteil1.dezimalwert());
+
+        System.out.println("Anteil anteil2: " + anteil2.bruchToString());
+
+        System.out.println("Betrag von anteil2: " + vermoegen * anteil2.dezimalwert());
+
+        System.out.println("");
+
+        // System.out.println("Verteilt: " + Anteil.verteilt.bruchToString());
+
+        System.out.println("Rest: " + anteil1.getRest().bruchToString());
+
+        System.out.println("Restbetrag: " + vermoegen * anteil1.getRest().dezimalwert());
+
+    }
+}
diff --git a/Code/Steiner/fractionsSteinerTask/src/Bruch.java b/Code/Steiner/fractionsSteinerTask/src/Bruch.java
new file mode 100644
index 0000000..5900b87
--- /dev/null
+++ b/Code/Steiner/fractionsSteinerTask/src/Bruch.java
@@ -0,0 +1,101 @@
+public class Bruch {
+
+    private int zaehler;
+    private int nenner;
+
+    Bruch() {
+        zaehler = 0;
+        nenner = 1;
+    }
+
+    Bruch(int x) {
+        zaehler = x;
+        nenner = 1;
+    }
+
+    Bruch(int x, int y) {
+        zaehler = x;
+        nenner = y;
+    }
+
+    void setZaehler(int z) {
+        zaehler = z;
+    }
+
+    void setNenner(int n) {
+        nenner = n;
+    }
+
+    int getZaehler() {
+        return zaehler;
+    }
+
+    int getNenner() {
+        return nenner;
+    }
+
+    String bruchToString() {
+        return zaehler + "/" + nenner;
+    }
+
+    void ausgeben() {
+        System.out.println(zaehler + "/" + nenner);
+    }
+
+    void kuerzen() {
+        int m, n, r;
+        m = Math.abs(zaehler);
+        n = Math.abs(nenner);
+        r = m % n;
+        while (r > 0) {
+            m = n;
+            n = r;
+            r = m % n;
+        }
+        zaehler /= n;
+        nenner /= n;
+    }
+
+    void gekuerztausgeben() {
+        kuerzen();
+        ausgeben();
+    }
+
+    Bruch multipliziere(Bruch m) {
+        var z = zaehler * m.zaehler;
+        var n = nenner * m.nenner;
+        return new Bruch(z, n);
+    }
+
+    boolean equals(Bruch x) {
+        var a = new Bruch(this.zaehler, this.nenner);
+        var b = new Bruch(x.zaehler, x.nenner);
+        a.kuerzen();
+        b.kuerzen();
+        return (a.zaehler == b.zaehler) && (a.nenner == b.nenner);
+    }
+
+    // Neue Methode: Addition
+    Bruch addiere(Bruch b) {
+        int neuerZaehler = this.zaehler * b.nenner + b.zaehler * this.nenner;
+        int neuerNenner = this.nenner * b.nenner;
+        return new Bruch(neuerZaehler, neuerNenner);
+    }
+
+    // Neue Methode: Subtraktion
+    Bruch subtrahiere(Bruch b) {
+        int neuerZaehler = this.zaehler * b.nenner - b.zaehler * this.nenner;
+        int neuerNenner = this.nenner * b.nenner;
+        return new Bruch(neuerZaehler, neuerNenner);
+    }
+
+    // Neue Methode: Dezimalwert
+    double dezimalwert() {
+        if (nenner == 0) {
+            System.out.println("Error Divided by 0");
+            return 0;
+        } else {
+            return (double) zaehler / nenner;
+        }
+    }
+}
diff --git a/Code/Steiner/fractionsSteinerTask/src/BruchTest.java b/Code/Steiner/fractionsSteinerTask/src/BruchTest.java
new file mode 100644
index 0000000..9f3fb6c
--- /dev/null
+++ b/Code/Steiner/fractionsSteinerTask/src/BruchTest.java
@@ -0,0 +1,78 @@
+import java.util.ArrayList;
+
+public class BruchTest {
+    public static void main(String[] args) {
+        ArrayList<Bruch> brueche = new ArrayList<>();
+
+        // Test 1: Standardkonstruktor
+        brueche.add(new Bruch());
+        System.out.println("Test 1: " + brueche.get(0).bruchToString()); // Erwartet: 0/1
+
+        // Test 2: Konstruktor mit einem Parameter
+        brueche.add(new Bruch(3));
+        System.out.println("Test 2: " + brueche.get(1).bruchToString()); // Erwartet: 3/1
+
+        // Test 3: Konstruktor mit zwei Parametern (positive Werte)
+        brueche.add(new Bruch(4, 8));
+        System.out.println("Test 3: " + brueche.get(2).bruchToString()); // Erwartet: 4/8
+        brueche.get(2).gekuerztausgeben(); // Erwartet: 1/2
+
+        // Test 4: Konstruktor mit zwei Parametern (negative Werte)
+        brueche.add(new Bruch(-4, 8));
+        System.out.println("Test 4: " + brueche.get(3).bruchToString()); // Erwartet: -4/8
+        brueche.get(3).gekuerztausgeben(); // Erwartet: -1/2
+
+        // Test 5: Setzen von Zähler und Nenner (normal)
+        brueche.get(2).setZaehler(6);
+        brueche.get(2).setNenner(9);
+        System.out.println("Test 5: " + brueche.get(2).bruchToString()); // Erwartet: 6/9
+        brueche.get(2).gekuerztausgeben(); // Erwartet: 2/3
+
+        // Test 6: Setzen von Zähler und Nenner (mit Null)
+        brueche.get(2).setZaehler(0);
+        brueche.get(2).setNenner(9);
+        System.out.println("Test 6: " + brueche.get(2).bruchToString()); // Erwartet: 0/9
+
+        // Test 7: Setzen von Zähler und Nenner (Division durch Null)
+        brueche.get(2).setNenner(0);
+        System.out.println("Test 7: " + brueche.get(2).bruchToString());
+
+        // Test 8: Multiplikation
+        Bruch bruch4 = new Bruch(2, 3);
+        Bruch produkt = brueche.get(2).multipliziere(bruch4);
+        System.out.println("Test 8: " + produkt.bruchToString()); // Erwartet: 0/1
+
+        // Test 9: Gleichheit
+        Bruch bruch5 = new Bruch(2, 3);
+        Bruch bruch6 = new Bruch(4, 6);
+        System.out.println("Test 9: " + bruch5.equals(bruch6)); // Erwartet: true
+
+        // Test 10: Ungleichheit
+        Bruch bruch7 = new Bruch(1, 2);
+        System.out.println("Test 10: " + bruch5.equals(bruch7)); // Erwartet: false
+
+        // Test 11: Addition (positive und negative Werte)
+        Bruch bruch8 = new Bruch(1, 4);
+        Bruch summe = bruch5.addiere(bruch8);
+        System.out.println("Test 11: " + summe.bruchToString()); // Erwartet: 11/12
+
+        // Test 12: Subtraktion (negatives Ergebnis)
+        Bruch bruch9 = new Bruch(3, 4);
+        Bruch differenz = bruch5.subtrahiere(bruch9);
+        System.out.println("Test 12: " + differenz.bruchToString()); // Erwartet: -1/12
+
+        // Test 13: Dezimalwert
+        double dezimalwert = bruch5.dezimalwert();
+        System.out.println("Test 13: " + dezimalwert); // Erwartet: 0.6666666666666666 (2/3)
+
+        // Test 14: Dezimalwert eines anderen Bruchs
+        Bruch bruch10 = new Bruch(3, 4);
+        double dezimalwert2 = bruch10.dezimalwert();
+        System.out.println("Test 14: " + dezimalwert2); // Erwartet: 0.75
+
+        // Test 16: Dezimalwert eines anderen Bruchs (null)
+        Bruch bruch11 = new Bruch(3, 0);
+        double dezimalwert3 = bruch11.dezimalwert();
+        System.out.println("Test 15: " + dezimalwert3); // Erwartet: 0
+    }
+}
diff --git a/Code/Steiner/interfacesTwoTesting/.vscode/settings.json b/Code/Steiner/interfacesTwoTesting/.vscode/settings.json
new file mode 100644
index 0000000..e112a70
--- /dev/null
+++ b/Code/Steiner/interfacesTwoTesting/.vscode/settings.json
@@ -0,0 +1,7 @@
+{
+    "java.project.sourcePaths": ["src"],
+    "java.project.outputPath": "bin",
+    "java.project.referencedLibraries": [
+        "lib/**/*.jar"
+    ]
+}
diff --git a/Code/Steiner/interfacesTwoTesting/README.md b/Code/Steiner/interfacesTwoTesting/README.md
new file mode 100644
index 0000000..7c03a53
--- /dev/null
+++ b/Code/Steiner/interfacesTwoTesting/README.md
@@ -0,0 +1,18 @@
+## Getting Started
+
+Welcome to the VS Code Java world. Here is a guideline to help you get started to write Java code in Visual Studio Code.
+
+## Folder Structure
+
+The workspace contains two folders by default, where:
+
+- `src`: the folder to maintain sources
+- `lib`: the folder to maintain dependencies
+
+Meanwhile, the compiled output files will be generated in the `bin` folder by default.
+
+> If you want to customize the folder structure, open `.vscode/settings.json` and update the related settings there.
+
+## Dependency Management
+
+The `JAVA PROJECTS` view allows you to manage your dependencies. More details can be found [here](https://github.com/microsoft/vscode-java-dependency#manage-dependencies).
diff --git a/Code/Steiner/interfacesTwoTesting/bin/App.class b/Code/Steiner/interfacesTwoTesting/bin/App.class
new file mode 100644
index 0000000000000000000000000000000000000000..c8204afcec956e3c028fb1c6f1f40d95745da253
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literal 0
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diff --git a/Code/Steiner/interfacesTwoTesting/bin/Hans.class b/Code/Steiner/interfacesTwoTesting/bin/Hans.class
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diff --git a/Code/Steiner/interfacesTwoTesting/bin/ISleep.class b/Code/Steiner/interfacesTwoTesting/bin/ISleep.class
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diff --git a/Code/Steiner/interfacesTwoTesting/bin/IWalk.class b/Code/Steiner/interfacesTwoTesting/bin/IWalk.class
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diff --git a/Code/Steiner/interfacesTwoTesting/src/App.java b/Code/Steiner/interfacesTwoTesting/src/App.java
new file mode 100644
index 0000000..67852e5
--- /dev/null
+++ b/Code/Steiner/interfacesTwoTesting/src/App.java
@@ -0,0 +1,6 @@
+public class App {
+    public static void main(String[] args) throws Exception {
+        Hans hans = new Hans();
+        hans.walk();
+    }
+}
diff --git a/Code/Steiner/interfacesTwoTesting/src/Hans.java b/Code/Steiner/interfacesTwoTesting/src/Hans.java
new file mode 100644
index 0000000..7087be1
--- /dev/null
+++ b/Code/Steiner/interfacesTwoTesting/src/Hans.java
@@ -0,0 +1,8 @@
+public class Hans implements IWalk, ISleep {
+
+    @Override
+    public void walk() {
+        System.out.println("Walk");
+    }
+
+}
diff --git a/Code/Steiner/interfacesTwoTesting/src/ISleep.java b/Code/Steiner/interfacesTwoTesting/src/ISleep.java
new file mode 100644
index 0000000..a0325a4
--- /dev/null
+++ b/Code/Steiner/interfacesTwoTesting/src/ISleep.java
@@ -0,0 +1,3 @@
+public interface ISleep {
+    void walk();
+}
diff --git a/Code/Steiner/interfacesTwoTesting/src/IWalk.java b/Code/Steiner/interfacesTwoTesting/src/IWalk.java
new file mode 100644
index 0000000..88cff8e
--- /dev/null
+++ b/Code/Steiner/interfacesTwoTesting/src/IWalk.java
@@ -0,0 +1,3 @@
+public interface IWalk {
+    void walk();
+}
diff --git a/Code/Steiner/paymentSystemWithInterfaces/.vscode/settings.json b/Code/Steiner/paymentSystemWithInterfaces/.vscode/settings.json
new file mode 100644
index 0000000..e112a70
--- /dev/null
+++ b/Code/Steiner/paymentSystemWithInterfaces/.vscode/settings.json
@@ -0,0 +1,7 @@
+{
+    "java.project.sourcePaths": ["src"],
+    "java.project.outputPath": "bin",
+    "java.project.referencedLibraries": [
+        "lib/**/*.jar"
+    ]
+}
diff --git a/Code/Steiner/paymentSystemWithInterfaces/README.md b/Code/Steiner/paymentSystemWithInterfaces/README.md
new file mode 100644
index 0000000..7c03a53
--- /dev/null
+++ b/Code/Steiner/paymentSystemWithInterfaces/README.md
@@ -0,0 +1,18 @@
+## Getting Started
+
+Welcome to the VS Code Java world. Here is a guideline to help you get started to write Java code in Visual Studio Code.
+
+## Folder Structure
+
+The workspace contains two folders by default, where:
+
+- `src`: the folder to maintain sources
+- `lib`: the folder to maintain dependencies
+
+Meanwhile, the compiled output files will be generated in the `bin` folder by default.
+
+> If you want to customize the folder structure, open `.vscode/settings.json` and update the related settings there.
+
+## Dependency Management
+
+The `JAVA PROJECTS` view allows you to manage your dependencies. More details can be found [here](https://github.com/microsoft/vscode-java-dependency#manage-dependencies).
diff --git a/Code/Steiner/paymentSystemWithInterfaces/bin/App.class b/Code/Steiner/paymentSystemWithInterfaces/bin/App.class
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diff --git a/Code/Steiner/paymentSystemWithInterfaces/bin/CreditCardPayment.class b/Code/Steiner/paymentSystemWithInterfaces/bin/CreditCardPayment.class
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diff --git a/Code/Steiner/paymentSystemWithInterfaces/bin/IPay.class b/Code/Steiner/paymentSystemWithInterfaces/bin/IPay.class
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diff --git a/Code/Steiner/paymentSystemWithInterfaces/bin/PayPalPayment.class b/Code/Steiner/paymentSystemWithInterfaces/bin/PayPalPayment.class
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diff --git a/Code/Steiner/paymentSystemWithInterfaces/bin/Payment.class b/Code/Steiner/paymentSystemWithInterfaces/bin/Payment.class
new file mode 100644
index 0000000000000000000000000000000000000000..4f7d30ff5e862be22c2cbab8f4fc4b33b677afe4
GIT binary patch
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HcmV?d00001

diff --git a/Code/Steiner/paymentSystemWithInterfaces/src/App.java b/Code/Steiner/paymentSystemWithInterfaces/src/App.java
new file mode 100644
index 0000000..8a2e9cd
--- /dev/null
+++ b/Code/Steiner/paymentSystemWithInterfaces/src/App.java
@@ -0,0 +1,24 @@
+public class App {
+
+    public static void main(String[] args) throws Exception {
+
+        Payment creditCard = new CreditCardPayment("1234-5678-9012-3456", "Max Mustermann");
+
+        Payment paypal = new PayPalPayment("max@example.com");
+
+        Payment bankTransfer = new BankTransferPayment("DE89 3704 0044 0532 0130 00");
+
+        processPayment(creditCard, 49.99);
+
+        processPayment(paypal, 19.99);
+
+        processPayment(bankTransfer, 99.99);
+
+    }
+
+    public static void processPayment(Payment payment, double amount) {
+        payment.pay(amount);
+
+    }
+
+}
\ No newline at end of file
diff --git a/Code/Steiner/paymentSystemWithInterfaces/src/BankTransferPayment.java b/Code/Steiner/paymentSystemWithInterfaces/src/BankTransferPayment.java
new file mode 100644
index 0000000..3456c5f
--- /dev/null
+++ b/Code/Steiner/paymentSystemWithInterfaces/src/BankTransferPayment.java
@@ -0,0 +1,12 @@
+public class BankTransferPayment extends Payment implements IPay {
+    String securityNumber;
+
+    public BankTransferPayment(String securityNumber) {
+        this.securityNumber = securityNumber;
+    }
+
+    @Override
+    public void pay(double amount) {
+        System.out.println("Bezahlung von " + amount + " CHF mit Banktransfer " + securityNumber);
+    }
+}
diff --git a/Code/Steiner/paymentSystemWithInterfaces/src/CreditCardPayment.java b/Code/Steiner/paymentSystemWithInterfaces/src/CreditCardPayment.java
new file mode 100644
index 0000000..50d7a4c
--- /dev/null
+++ b/Code/Steiner/paymentSystemWithInterfaces/src/CreditCardPayment.java
@@ -0,0 +1,14 @@
+public class CreditCardPayment extends Payment implements IPay {
+    String number;
+    String name;
+
+    public CreditCardPayment(String number, String name) {
+        this.number = number;
+        this.name = name;
+    }
+
+    @Override
+    public void pay(double amount) {
+        System.out.println("Bezahlung von " + amount + " CHF mit Kreditkarte " + number + " von " + name);
+    }
+}
diff --git a/Code/Steiner/paymentSystemWithInterfaces/src/IPay.java b/Code/Steiner/paymentSystemWithInterfaces/src/IPay.java
new file mode 100644
index 0000000..2a37728
--- /dev/null
+++ b/Code/Steiner/paymentSystemWithInterfaces/src/IPay.java
@@ -0,0 +1,3 @@
+public interface IPay {
+    public void pay(double amount);
+}
diff --git a/Code/Steiner/paymentSystemWithInterfaces/src/PayPalPayment.java b/Code/Steiner/paymentSystemWithInterfaces/src/PayPalPayment.java
new file mode 100644
index 0000000..ab4dff7
--- /dev/null
+++ b/Code/Steiner/paymentSystemWithInterfaces/src/PayPalPayment.java
@@ -0,0 +1,12 @@
+public class PayPalPayment extends Payment implements IPay {
+    String mail;
+
+    public PayPalPayment(String mail) {
+        this.mail = mail;
+    }
+
+    @Override
+    public void pay(double amount) {
+        System.out.println("Bezahlung von " + amount + " CHF mit Kreditkarte " + mail);
+    }
+}
diff --git a/Code/Steiner/paymentSystemWithInterfaces/src/Payment.java b/Code/Steiner/paymentSystemWithInterfaces/src/Payment.java
new file mode 100644
index 0000000..8dba32a
--- /dev/null
+++ b/Code/Steiner/paymentSystemWithInterfaces/src/Payment.java
@@ -0,0 +1,3 @@
+public abstract class Payment implements IPay {
+    public abstract void pay(double amount);
+}
diff --git a/Code/Steiner/tryCatchTask/.vscode/settings.json b/Code/Steiner/tryCatchTask/.vscode/settings.json
new file mode 100644
index 0000000..e112a70
--- /dev/null
+++ b/Code/Steiner/tryCatchTask/.vscode/settings.json
@@ -0,0 +1,7 @@
+{
+    "java.project.sourcePaths": ["src"],
+    "java.project.outputPath": "bin",
+    "java.project.referencedLibraries": [
+        "lib/**/*.jar"
+    ]
+}
diff --git a/Code/Steiner/tryCatchTask/README.md b/Code/Steiner/tryCatchTask/README.md
new file mode 100644
index 0000000..7c03a53
--- /dev/null
+++ b/Code/Steiner/tryCatchTask/README.md
@@ -0,0 +1,18 @@
+## Getting Started
+
+Welcome to the VS Code Java world. Here is a guideline to help you get started to write Java code in Visual Studio Code.
+
+## Folder Structure
+
+The workspace contains two folders by default, where:
+
+- `src`: the folder to maintain sources
+- `lib`: the folder to maintain dependencies
+
+Meanwhile, the compiled output files will be generated in the `bin` folder by default.
+
+> If you want to customize the folder structure, open `.vscode/settings.json` and update the related settings there.
+
+## Dependency Management
+
+The `JAVA PROJECTS` view allows you to manage your dependencies. More details can be found [here](https://github.com/microsoft/vscode-java-dependency#manage-dependencies).
diff --git a/Code/Steiner/tryCatchTask/bin/App.class b/Code/Steiner/tryCatchTask/bin/App.class
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literal 0
HcmV?d00001

diff --git a/Code/Steiner/tryCatchTask/src/App.java b/Code/Steiner/tryCatchTask/src/App.java
new file mode 100644
index 0000000..12ad158
--- /dev/null
+++ b/Code/Steiner/tryCatchTask/src/App.java
@@ -0,0 +1,28 @@
+import java.io.*;
+
+public class App {
+
+    public static void main(String[] args) {
+        try {
+            readFile("test.txt");
+        } catch (FileNotFoundException e) {
+            System.err.println("Error: The file was not found. Please check the file path.");
+        } catch (IOException e) {
+            System.err.println("Error: An I/O error occurred while reading the file.");
+        } catch (Exception e) {
+            System.err.println("An unexpected error occurred: " + e.getMessage());
+        }
+    }
+
+    private static void readFile(String fileName) throws IOException {
+        FileReader f = new FileReader(fileName);
+        try {
+            int c;
+            while ((c = f.read()) != -1) {
+                System.out.print((char) c);
+            }
+        } finally {
+            f.close();
+        }
+    }
+}
diff --git a/Code/Steiner/tryCatchTask/test.txt b/Code/Steiner/tryCatchTask/test.txt
new file mode 100644
index 0000000..885e1ff
--- /dev/null
+++ b/Code/Steiner/tryCatchTask/test.txt
@@ -0,0 +1,22 @@
+🎉 Super! 🎉
+
+Du hast es geschafft.
+
+Herzliche Gratulation!
+
+🌟 STEINER 🌟
+
+Ein Hauch von Magie in der Luft!
+
+✨ Die Sterne funkeln, während die Gedanken fliegen. ✨
+
+🔮 Zufällige Gedanken:
+
+    Kaffeetassen tanzen im Regen.
+    Ein fliegender Teppich voller Bücher.
+    Die Farben des Windes singen Lieder.
+
+🌈 Lass die Kreativität sprudeln!
+
+    Was wäre, wenn die Fische die Wolken fangen könnten?
+    Ein Abenteuer im Land der Träume wartet auf dich!