JAXB 2.0 could be the answer. The Java Architecture for XML Binding provides a simple and convenient way to map XML schemas to Java classes, ... In this example, ...

How to add multiple values per key to a Java HashMap. It seems like an oversight for the standard Java API not to have a collection class that allows a key to have multiple values. If this is an ...

JPA and Hibernate enum mapping. The Java enum, introduced in Java 5, will map to the underlying database without any intervention. The JPA framework, be it Hibernate or Toplink or DataNucleus, will ...