Yamler

<dependency>
  <groupId>net.cubespace</groupId>
  <artifactId>Yamler-Core</artifactId>
  <version>1.5.1-SNAPSHOT</version>
</dependency>

public class Database extends Config {
   public Database(Plugin plugin) {
       CONFIG_HEADER = new String[]{"Configuration of the Database"};
       CONFIG_FILE = new File(plugin.getDataFolder(), "db.yml");
   }

   @Comments({
       "This is the URL of the Database",
       "Must be jdbc:<database engine>:<connection parameter>",
       "For H2 (which is the default file based DB): jdbc:h2:{DIR}thesuit.db",
       "For MySQL: jdbc:mysql://<host>:<port>/<database>"
   })
   private String Url = "jdbc:h2:{DIR}thesuit.db";

   @Comment("The Username which should be used to auth against the Database")
   private String Username = "test";

   @Comment("The Password for the User")
   private String Password = "test";
}

Database dbConfig = null;
try {
    dbConfig = new Database(this);
    dbConfig.init();
} catch(InvalidConfigurationException ex) {
    System.out.println("Your Config YML was wrong");
    ex.printStackTrace();
}

try {
    dbConfig.save();
} catch(InvalidConfigurationException ex) {
    System.out.println("Error in saving the Config YML");
    ex.printStackTrace();
}