Although it is part of the java.util.concurrent package, the TimeUnit enum is useful in many contexts outside of concurrency .

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Introductionan enum type in java is a special data type that is defined whenever you need to define a variable with a set of predefined values such as days of the week, months of the year, items in a ...

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 ...