CriteriaMultiSelect.java

// Prepare query
CriteriaBuilder cb = em.getCriteriaBuilder();
CriteriaQuery<Tuple> q = cb.createTupleQuery();
Root<Author> author = q.from(Author.class);

// Select multiple scalar values
q.multiselect(author.get(Author_.firstName).alias("firstName"), author.get(Author_.lastName).alias("lastName"));

List<Tuple> authorNames = em.createQuery(q).getResultList();

for (Tuple authorName : authorNames) {
	log.info(authorName.get("firstName") + " " + authorName.get("lastName"));
}