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.
The invention, production, and distribution of the automobile radically altered American society in the twentieth century. Perhaps more than other inventions, the automobile transformed American society, prompting some historians to characterize the United States as a car culture..