Most new Java developers quickly learn that they should generally compare Java Strings using String.equals(Object) rather than using == . This is emphasized and reinforced to new developers ...

Although it is part of the java.util.concurrent package, the TimeUnit enum is useful in many contexts outside of concurrency. In this post, I look at how the TimeUnit enum can be used even in code ...

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 ...

Use Constants and Enums to Improve Readability (and Reduce Maintenance) If you're not using Const and Enums then you're just making life harder for the next programmer.

If I declare a constant and use that constant in my code, I only have to change the value in one place: where I declare the constant. But, as useful as that feature is from a maintenance point of view ...