Because Java lacks a proper C/C++ enumeration (enum) feature, Java programmers have opted to define simple sets of primitive values: public class Colors { public static final int GREEN = 0; ...

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 ...

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 ...