A POS System is the hardware and software used to record the financial transactions of a retail store. 1  It is the best tool for a store owner to manage and assess her business. 2  Your POS system should alert you when you need to reorder and flag inventory that is dead in your store and not moving.
JPO is a framework for persistence (storage and retrieval) of domain (or data) objects in Java-based database applications. The object/relational impedence missmatch is widely regarded as a complex problem with no easy solution.
Welcome to JPO! Welcome to the Java Persistent Objects (JPO) project site. This site is dedicated to Java developers attempting to find a simple solution to object persistence in a relational database (or object-relational mapping). Get the latest download from SourceForge. This site maintains a Wiki discussion on the topic of object persistence.