2016年3月31日

摘要： package banking2; public class Customer { private String firstName; private String lastName; private Account account; public Customer(String f,String 阅读全文

摘要： package banking1; public class Account { private double balance;//账号余额 public Account(double init_balance){ balance=init_balance; } public double getB 阅读全文

摘要： package alhh;//每次创建Person1对象时，初始化对象的age和name的属性值public class TestPerson1 { public static void main(String[] args){ Person1 p=new Person1(18,"青青"); Sys 阅读全文