练习2 练习目标-使用引用类型的成员变量:在本练习中,将扩展银行项目,添加一个(客户类)Customer类。Customer类将包含一个Account对象。
package banking; public class Customer { private String firstName; private String lastName; private Account account; public Customer(String firstName,String lastName) { this.firstName=firstName; this.lastName=lastName; } public String getFirstName() { return firstName; } public String getLastName() { return lastName; } public Account getAccount() { return account; } public void setAccount(Account account) { this.account = account; } }