added main

.gitignore

@@ -0,0 +1,41 @@
+target/
+!.mvn/wrapper/maven-wrapper.jar
+!**/src/main/**/target/
+!**/src/test/**/target/
+
+### IntelliJ IDEA ###
+.idea/modules.xml
+.idea/jarRepositories.xml
+.idea/compiler.xml
+.idea/libraries/
+*.iws
+*.iml
+*.ipr
+
+### Eclipse ###
+.apt_generated
+.classpath
+.factorypath
+.project
+.settings
+.springBeans
+.sts4-cache
+
+### NetBeans ###
+/nbproject/private/
+/nbbuild/
+/dist/
+/nbdist/
+/.nb-gradle/
+build/
+!**/src/main/**/build/
+!**/src/test/**/build/
+
+derbyDb
+
+### VS Code ###
+.vscode/
+
+### Mac OS ###
+.DS_Store
+/derbyDb/

.idea/.gitignore

@@ -0,0 +1,8 @@
+# Default ignored files
+/shelf/
+/workspace.xml
+# Editor-based HTTP Client requests
+/httpRequests/
+# Datasource local storage ignored files
+/dataSources/
+/dataSources.local.xml

.idea/dataSources.xml

@@ -0,0 +1,15 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<project version="4">
+  <component name="DataSourceManagerImpl" format="xml" multifile-model="true">
+    <data-source source="LOCAL" name="derbyDb" uuid="4eb1927b-2ff9-4875-8583-bda12bb849e7">
+      <driver-ref>derby.embedded</driver-ref>
+      <synchronize>true</synchronize>
+      <jdbc-driver>org.apache.derby.jdbc.EmbeddedDriver</jdbc-driver>
+      <jdbc-url>jdbc:derby:derbyDb</jdbc-url>
+      <jdbc-additional-properties>
+        <property name="com.intellij.clouds.kubernetes.db.enabled" value="false" />
+      </jdbc-additional-properties>
+      <working-dir>$ProjectFileDir$</working-dir>
+    </data-source>
+  </component>
+</project>

.idea/encodings.xml

@@ -0,0 +1,7 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<project version="4">
+  <component name="Encoding" addBOMForNewFiles="with BOM under Windows, with no BOM otherwise">
+    <file url="file://$PROJECT_DIR$/src/main/java" charset="UTF-8" />
+    <file url="file://$PROJECT_DIR$/src/main/resources" charset="UTF-8" />
+  </component>
+</project>

.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_23" default="true" project-jdk-name="openjdk-23" project-jdk-type="JavaSDK">
+    <output url="file://$PROJECT_DIR$/out" />
+  </component>
+</project>

.idea/sqldialects.xml

@@ -0,0 +1,7 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<project version="4">
+  <component name="SqlDialectMappings">
+    <file url="file://$PROJECT_DIR$/src/main/java/at/ionas999/Main.java" dialect="GenericSQL" />
+    <file url="PROJECT" dialect="Derby" />
+  </component>
+</project>

.idea/vcs.xml

@@ -0,0 +1,6 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<project version="4">
+  <component name="VcsDirectoryMappings">
+    <mapping directory="$PROJECT_DIR$" vcs="Git" />
+  </component>
+</project>

derby.log

@@ -0,0 +1,13 @@
+----------------------------------------------------------------
+Thu Mar 27 11:16:36 CET 2025:
+Booting Derby version The Apache Software Foundation - Apache Derby - 10.17.1.0 - (1913217): instance a816c00e-0195-d71a-8c46-00000ebea748 
+on database directory /tmp/ContactsDemo/derbyDb with class loader jdk.internal.loader.ClassLoaders$AppClassLoader@5a07e868 
+Loaded from file:/home/jonas/.m2/repository/org/apache/derby/derby/10.17.1.0/derby-10.17.1.0.jar
+java.vendor=Oracle Corporation
+java.runtime.version=23.0.2+7-58
+user.dir=/tmp/ContactsDemo
+os.name=Linux
+os.arch=amd64
+os.version=6.6.72
+derby.system.home=null
+Database Class Loader started - derby.database.classpath=''

pom.xml

@@ -0,0 +1,24 @@
+<?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>at.ionas999</groupId>
+    <artifactId>ContactsDemo</artifactId>
+    <version>1.0-SNAPSHOT</version>
+
+    <properties>
+        <maven.compiler.source>23</maven.compiler.source>
+        <maven.compiler.target>23</maven.compiler.target>
+        <project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
+    </properties>
+    <dependencies>
+        <dependency>
+            <groupId>org.apache.derby</groupId>
+            <artifactId>derby</artifactId>
+            <version>10.17.1.0</version>
+        </dependency>
+    </dependencies>
+
+</project>

src/main/java/at/ionas999/Main.java

@@ -0,0 +1,26 @@
+package at.ionas999;
+
+import java.sql.Connection;
+import java.sql.DriverManager;
+import java.sql.ResultSet;
+import java.sql.SQLException;
+
+public class Main {
+    public static void main(String[] args) {
+        try {
+            Connection con = DriverManager.getConnection("jdbc:derby:derbyDb");
+            con.setAutoCommit(true);
+
+            ResultSet resultSet = con.createStatement().executeQuery("select * from CONTACT");
+
+            while (resultSet.next()) {
+                int id = resultSet.getInt(1);
+                String name = resultSet.getString(2);
+                System.out.println("Id: " + id + ", Name: " + name);
+            }
+
+        } catch (SQLException e) {
+            throw new RuntimeException(e);
+        }
+    }
+}