JPA – Java Persistence API
Gute Einführungen: https://www.objectdb.com/java/jpa
JPA EntityManager and EntityManagerFactory Example
JPA: Named Query: https://examples.javacodegeeks.com/enterprise-java/jpa-named-query-example/
JDBC: https://docs.oracle.com/javase/tutorial/jdbc/basics/processingsqlstatements.html
JavaScript in Java einlesen und ausführen
javax.script