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.
Cars changed overtime by people who wanted bigger cars or faster cars. People started to make plans for better cars, tested them and see if they people liked it. Cars are stil â¦ l changing today.
NOTE: With the collapse of the car industry in 2009-2009, a lot is changing in the way of ownership. This article will no longer be updated and will instead serve as a kind of snapshot of the industry on the brink of change.