摘要：Account： package banking5; //账户 public class Account { protected double balance; public Account(double int_balance) { balance = int_balance; } public 阅读全文

摘要：Account： package banking4; public class Account { private double balance; public Account(double int_balance) { balance = int_balance; } public double 阅读全文

摘要：Account: package banking3; //账户 public class Account { private double balance;// 账户余额 public Account(double init_balance) { balance = init_balance; } 阅读全文

摘要：Account: package banking2; //账户 public class Account { private double balance;// 账户余额 public Account(double init_balance) { balance = init_balance; } 阅读全文

摘要：Bank1: package banking1; //账户 public class Account { private double balance;// 账户余额 public Account(double init_balance) { balance = init_balance; } pu 阅读全文