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.
DETROIT/WASHINGTON (Reuters) - General Motors Co in 2005 decided not to change an ignition switch eventually linked to the deaths of at least 13 people because it would have added about a dollar to the cost of each car, according to an internal GM document provided to U.S. congressional investigators.