TimeUnit.sleep (long) provides a more readable Thread.sleep (long, int). The enum constant of the TimeUnit implies the applicable unit of time, so only a base number needs to be provided.

The Groovy code that follows uses this technique to read the source XML and then writes out a 100% compilable Java enum called AlbumsEnum.java. The Groovy script is shown next.

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 ...