commit 4618ca2123096176c4364825c8cc3865f3941b1e
Author: angelsflyinhell <azami@namespace.media>
Date:   Sat Sep 17 19:25:23 2022 +0200

    Initial commit

diff --git a/.gitattributes b/.gitattributes
new file mode 100644
index 0000000..dfe0770
--- /dev/null
+++ b/.gitattributes
@@ -0,0 +1,2 @@
+# Auto detect text files and perform LF normalization
+* text=auto
diff --git a/.gitignore b/.gitignore
new file mode 100644
index 0000000..2f43530
--- /dev/null
+++ b/.gitignore
@@ -0,0 +1,17 @@
+target/
+pom.xml.tag
+pom.xml.releaseBackup
+pom.xml.versionsBackup
+pom.xml.next
+release.properties
+dependency-reduced-pom.xml
+buildNumber.properties
+.mvn/timing.properties
+# https://github.com/takari/maven-wrapper#usage-without-binary-jar
+.mvn/wrapper/maven-wrapper.jar
+
+# Eclipse m2e generated files
+# Eclipse Core
+.project
+# JDT-specific (Eclipse Java Development Tools)
+.classpath
diff --git a/.idea/.gitignore b/.idea/.gitignore
new file mode 100644
index 0000000..73f69e0
--- /dev/null
+++ b/.idea/.gitignore
@@ -0,0 +1,8 @@
+# Default ignored files
+/shelf/
+/workspace.xml
+# Datasource local storage ignored files
+/dataSources/
+/dataSources.local.xml
+# Editor-based HTTP Client requests
+/httpRequests/
diff --git a/.idea/compiler.xml b/.idea/compiler.xml
new file mode 100644
index 0000000..5825d98
--- /dev/null
+++ b/.idea/compiler.xml
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+<?xml version="1.0" encoding="UTF-8"?>
+<project version="4">
+  <component name="CompilerConfiguration">
+    <annotationProcessing>
+      <profile name="Maven default annotation processors profile" enabled="true">
+        <sourceOutputDir name="target/generated-sources/annotations" />
+        <sourceTestOutputDir name="target/generated-test-sources/test-annotations" />
+        <outputRelativeToContentRoot value="true" />
+        <module name="buchSort" />
+      </profile>
+    </annotationProcessing>
+  </component>
+</project>
\ No newline at end of file
diff --git a/.idea/discord.xml b/.idea/discord.xml
new file mode 100644
index 0000000..d8e9561
--- /dev/null
+++ b/.idea/discord.xml
@@ -0,0 +1,7 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<project version="4">
+  <component name="DiscordProjectSettings">
+    <option name="show" value="PROJECT_FILES" />
+    <option name="description" value="" />
+  </component>
+</project>
\ No newline at end of file
diff --git a/.idea/jarRepositories.xml b/.idea/jarRepositories.xml
new file mode 100644
index 0000000..712ab9d
--- /dev/null
+++ b/.idea/jarRepositories.xml
@@ -0,0 +1,20 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<project version="4">
+  <component name="RemoteRepositoriesConfiguration">
+    <remote-repository>
+      <option name="id" value="central" />
+      <option name="name" value="Central Repository" />
+      <option name="url" value="https://repo.maven.apache.org/maven2" />
+    </remote-repository>
+    <remote-repository>
+      <option name="id" value="central" />
+      <option name="name" value="Maven Central repository" />
+      <option name="url" value="https://repo1.maven.org/maven2" />
+    </remote-repository>
+    <remote-repository>
+      <option name="id" value="jboss.community" />
+      <option name="name" value="JBoss Community repository" />
+      <option name="url" value="https://repository.jboss.org/nexus/content/repositories/public/" />
+    </remote-repository>
+  </component>
+</project>
\ No newline at end of file
diff --git a/.idea/misc.xml b/.idea/misc.xml
new file mode 100644
index 0000000..06e8b35
--- /dev/null
+++ b/.idea/misc.xml
@@ -0,0 +1,14 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<project version="4">
+  <component name="ExternalStorageConfigurationManager" enabled="true" />
+  <component name="MavenProjectsManager">
+    <option name="originalFiles">
+      <list>
+        <option value="$PROJECT_DIR$/pom.xml" />
+      </list>
+    </option>
+  </component>
+  <component name="ProjectRootManager" version="2" languageLevel="JDK_17" default="true" project-jdk-name="openjdk-17" project-jdk-type="JavaSDK">
+    <output url="file://$PROJECT_DIR$/out" />
+  </component>
+</project>
\ No newline at end of file
diff --git a/.idea/runConfigurations.xml b/.idea/runConfigurations.xml
new file mode 100644
index 0000000..797acea
--- /dev/null
+++ b/.idea/runConfigurations.xml
@@ -0,0 +1,10 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<project version="4">
+  <component name="RunConfigurationProducerService">
+    <option name="ignoredProducers">
+      <set>
+        <option value="com.android.tools.idea.compose.preview.runconfiguration.ComposePreviewRunConfigurationProducer" />
+      </set>
+    </option>
+  </component>
+</project>
\ No newline at end of file
diff --git a/pom.xml b/pom.xml
new file mode 100644
index 0000000..4aa7c8a
--- /dev/null
+++ b/pom.xml
@@ -0,0 +1,25 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<project xmlns="http://maven.apache.org/POM/4.0.0"
+         xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
+         xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
+    <modelVersion>4.0.0</modelVersion>
+
+    <groupId>org.example</groupId>
+    <artifactId>buchSort</artifactId>
+    <version>1.0-SNAPSHOT</version>
+
+    <properties>
+        <maven.compiler.source>17</maven.compiler.source>
+        <maven.compiler.target>17</maven.compiler.target>
+    </properties>
+
+    <dependencies>
+        <!-- https://mvnrepository.com/artifact/org.apache.commons/commons-collections4 -->
+        <dependency>
+            <groupId>org.apache.commons</groupId>
+            <artifactId>commons-collections4</artifactId>
+            <version>4.4</version>
+        </dependency>
+    </dependencies>
+
+</project>
\ No newline at end of file
diff --git a/src/main/java/Buch.java b/src/main/java/Buch.java
new file mode 100644
index 0000000..b0a95bf
--- /dev/null
+++ b/src/main/java/Buch.java
@@ -0,0 +1,35 @@
+public class Buch {
+    private String buchID;
+    private String autor;
+    private String titel;
+    private int erscheinungsjahr;
+    private String genre;
+
+    public Buch(String buchID, String autor, String titel, int erscheinungsjahr, String genre) {
+        this.buchID = buchID;
+        this.autor = autor;
+        this.titel = titel;
+        this.erscheinungsjahr = erscheinungsjahr;
+        this.genre = genre;
+    }
+
+    public String getBuchID() {
+        return buchID;
+    }
+
+    public String getAutor() {
+        return autor;
+    }
+
+    public int getErscheinungsjahr() {
+        return erscheinungsjahr;
+    }
+
+    public String getGenre() {
+        return genre;
+    }
+
+    public String getTitel() {
+        return titel;
+    }
+}
diff --git a/src/main/java/Main.java b/src/main/java/Main.java
new file mode 100644
index 0000000..5c6dcfb
--- /dev/null
+++ b/src/main/java/Main.java
@@ -0,0 +1,49 @@
+import java.util.Random;
+
+public class Main {
+    public static void main(String[] args) {
+        Buch[] buchListe = new Buch[26];
+
+        for (int i = 0; i < buchListe.length; i++) {
+            buchListe[i] = new Buch(randStr(5), randStr(10), randStr(5), new Random().nextInt(1), randStr(5));
+        }
+
+        Buch[] sorted = sortBuecher(buchListe);
+
+        for (Buch buch : sorted) {
+            System.out.println(buch.getAutor() + ", " + buch.getErscheinungsjahr() + ", " + buch.getTitel());
+        }
+    }
+
+    public static Buch[] sortBuecher(Buch[] buchListe) {
+        for (int i = 1; i < buchListe.length; i++) {
+            for (int j = 0; j < buchListe.length - i; j++) {
+                if (buchListe[j].getAutor().compareTo(buchListe[j + 1].getAutor()) > 0)
+                    swap(buchListe, j, j + 1);
+
+                if (buchListe[j].getAutor().compareTo(buchListe[j + 1].getAutor()) == 0 && buchListe[j].getErscheinungsjahr() > buchListe[j + 1].getErscheinungsjahr())
+                    swap(buchListe, j, j + 1);
+
+                if (buchListe[j].getAutor().compareTo(buchListe[j + 1].getAutor()) == 0 && buchListe[j].getErscheinungsjahr() == buchListe[j + 1].getErscheinungsjahr() && buchListe[j].getTitel().compareTo(buchListe[j + 1].getTitel()) > 0)
+                    swap(buchListe, j, j + 1);
+            }
+        }
+        return buchListe;
+    }
+
+    public static Buch[] swap(Buch[] buchListe, int i, int j) {
+        Buch temp = buchListe[i];
+        buchListe[i] = buchListe[j];
+        buchListe[j] = temp;
+        return buchListe;
+    }
+
+    public static String randStr(int length) {
+        String letters = "abcdefghijklmnopqrstuvwxyz";
+        String random = "";
+        for (int i = 0; i < length; i++) {
+            random += letters.toCharArray()[new Random().nextInt(2454) % letters.length()];
+        }
+        return random;
+    }
+}