public Customer createCustomer(Integer id, String name, String location) {
   Customer customer = new Customer();
   customer.setId(id);
   customer.setName(name);
   customer.setLocation(location);
   return customer;
 }
 public Customer getCustomerDetails(Integer id) {
   Customer customer = new Customer();
   customer.setId(id);
   customer.setName("sriram of " + id);
   customer.setLocation("Ayodya of " + id);
   return customer;
 }