made program executable

src/main/java/com/bib/essensbestellungsverwaltung/Database.java

@@ -1,9 +1,20 @@
 package com.bib.essensbestellungsverwaltung;
 
+import java.io.File;
+import java.io.IOException;
+import java.nio.file.Path;
 import java.sql.*;
 
 public class Database {
-    private static final String dbLocation = "jdbc:sqlite:"+Database.class.getResource("database/database.db");
+    private static final String dbLocation = "jdbc:sqlite:"+Path.of("").toAbsolutePath()+"/database.db";
+    protected static void init(){
+        File db = new File(Path.of("").toAbsolutePath()+"/database.db");
+        try {
+            db.createNewFile();
+        } catch (IOException e) {
+            throw new RuntimeException(e);
+        }
+    }
     protected static Connection connect(){
         Connection conn = null;
         try{

src/main/java/com/bib/essensbestellungsverwaltung/HelloApplication.java

@@ -18,6 +18,7 @@ public class HelloApplication extends Application {
     }
 
     public static void main(String[] args) {
+        Database.init();
         Database.createDb();
         Database.fillSampleDb();
         Database.printSampleQuery();