/**
* @author DREAM GUO
*
*/
public class BankAccount {
private String cName; // 帐户名
private long cAccountNO; // 帐号
private double cBalance; // 余额
private String[] cRecord = new String[10]; // 此数组用于记录操作
private int record_size; // 操作次数
/**
* @param ba
* 帐户
* @return 查询结果(字符串)
*/
static String CheckAccount(BankAccount ba) {
String res;
res = "================以下内容为查询结果================\n" + "客户姓名:"
+ ba.cName + " 帐号:" + Long.toString(ba.cAccountNO) + " 帐户余额:"
+ ba.cBalance + "\n\n" + "[存取款操作记录]";
for (int i = 0; i < ba.record_size; i++) {
res += "\n" + (i + 1) + ": " + ba.cRecord[i];
}
return res;
}
/**
* @param name
* 客户姓名
* @param accountNO
* 账户编号
* @param balance
* 余额(大于10.00美元)
*/
public BankAccount(String name, long accountNO, double balance) {
this.cRecord[0] = "无操作记录";
this.record_size = 0;
if (balance < 10) {
System.out
.println("Warning: The custmoer's balance must over $10.00 .");
return;
}
this.cName = name;
this.cAccountNO = accountNO;
this.cBalance = balance;
System.out.println("Create a Bank account for " + name
+ ", account number is " + accountNO + ", balance is $"
+ balance + ".");
}
/**
* @param amount
* 存款金额
*/
public void deposite(double amount) { // 存钱
if (amount > 0.00) {
this.cBalance += amount;
this.write("Deposite into account " + amount + " dollars");
System.out.println("Deposite into account " + amount + " dollars.");
} else {
System.out.println("Warning: The amount must over $0.00 .");
}
}
/**
* @param amount
* 取款金额
* @return (1)-1 异常 (2)amount 取款正常 (3)0 余额不足
*/
public double withdraw(double amount) { // 取钱， 如帐户余额大于等于所取款额，返回amount,
// 否则，返回0
double balance = this.getBalance();
if (amount <= this.cBalance) {
this.cBalance -= amount;
System.out.println(this.cName + " try to withdarw " + amount
+ " dollars from the account,"
+ " the withdraw is permitted.");
this.write(this.cName + " try to withdarw " + amount
+ " dollars from the account,"
+ " the withdraw is permitted.");
return amount;
} else if (amount > this.cBalance) {
System.out.println(this.cName + " try to withdarw " + amount
+ " dollars from the account,"
+ " he withdraw is denied due to inadequate balance.");
return 0;
}
this.cBalance = balance;
return -1;
}
public double getBalance() {
return this.cBalance;
}
// 活期储蓄利率
/**
* @param i
* 利率
* @param b
* 余额
* @param t
* 期限
* @return 连本带息余额
*/
static double CountInterest(double i, double b, int t) {
double res = b;
for (int n = 0; n < t; n++) {
res = res * (1 + i);
}
res = Math.round(res * 100) / 100.00;
return res;
}
private void write(String s) {
if (this.record_size >= this.cRecord.length) {
String temp[] = this.cRecord;
this.cRecord = new String[this.record_size + 10];
for (int i = 0; i < this.record_size; i++) {
this.cRecord[i] = temp[i];
}
}
this.cRecord[this.record_size++] = s;
}
}