In Part 1, I provided an overview of available persistence mechanisms and their implementations, and introduced the Java Data Objects (JDO) approach to persistence. In Part 2, I conclude this ...

Java is an excellent Object Oriented language that allows developers to write sophisticated, powerful, enterprise scale applications. Such applications typically involve a large amount of data that ...

The large Java data object requires 89MB of memory. The serialisation process to convert from Java objects to JSON string takes about 16 seconds and requires more than 1GB of memory.

Nearly 1,000 developers cry out against the Java Community Process' vote against the Java Data Objects 2.0 spec.

The Java Data Objects standard holds out the promise of lower software development costs, more portable applications, and faster deployment times.

The need to persist data created at runtime is as old as computing. And the need to store object-oriented data cropped up when object-oriented programming became pervasive. Currently, most modern ...