public static void main(String[] args) {
EntityManagerFactory emf = Persistence.createEntityManagerFactory("nwind-pu");
EntityManager em = emf.createEntityManager();
int id = 2;
Supplier supp = em.find(Supplier.class, id);
System.out.println("Supplier Id:" + supp.getSupplierId());
System.out.println("Supplier Name:" + supp.getCompanyName());
System.out.println("Products in this category are");
for (Product p : supp.getProducts()) {
System.out.println("\t" + p.getProductName());
}
}
public static void main(String[] args) throws Exception {
Product p1 = new Product();
p1.setProductId(1);
p1.setProductName("Chai");
Product p2 = new Product();
p2.setProductId(2);
p2.setProductName("Chang");
ProductDao dao = new FileProductDao();
dao.addProduct(p1);
dao.addProduct(p2);
System.out.println("Done.");
}