Aug 17, 2010 11:23:26 PM dustin.examples.MapContainsGet generateStatesMapSEVERE: java.util.concurrent.ConcurrentHashMap does not allow for null values – java.lang ...

The Json has input for one field as object as it might come boolean or string or anything so i have mapped it into object. Whereas in dao layer has same field in String. (In custom mapper i just ...

Proprietary object-relational mapping tools or object databases (ODBMS) J2EE/entity bean CMP (container-managed persistence) solutions Java Data Objects (JDO)-based solutions ...

An Object Relational Mapping tool (ORM) tries to alleviate this process by providing the means to automatically map form the object world into the relational world (and back again). It aims to make ...

Object-oriented technology has been given a big share in development, but currently the relational database is widely used. Difference between object model and relational model has caused a number of ...