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+import java.util.ArrayList;%0A%0Apublic class CustomerRegistry %7B%0A%09%0A%09private ArrayList%3CCustomer%3E customers;%0A%0A%09public CustomerRegistry(ArrayList%3CCustomer%3E customers) %7B%0A%09%09this.customers = customers;%0A%09%7D%0A%0A%09public ArrayList%3CCustomer%3E getCustomers() %7B%0A%09%09return customers;%0A%09%7D%0A%0A%09public void setCustomers(ArrayList%3CCustomer%3E customers) %7B%0A%09%09this.customers = customers;%0A%09%7D%0A%09%0A%09public void addCustomer(Customer customer) %7B%0A%09%09customers.add(customer);%0A%09%7D%0A%09%0A%09public void removeCustomer(Customer customer) %7B%0A%09%09customers.remove(customer);%0A%09%7D%0A%7D%0A

Create CustomerRegistry.java