java banking 银行管理系统

java 写的银行管理系统 大二必做。

package domain;

import java.text.NumberFormat;

public class Account {//账户类
	protected double balance;		//余额
	public Account（double init_balance） {	//创建账户
		this.balance = init_balance;
	}

	/*public String getBalance（） {
		NumberFormat currency_format = NumberFormat.getCurrencyInstance（）;
		return currency_format.format（balance）;
	}*/
	
	public double getBalance（） {
		return balance;
	}

	public boolean deposit（double add） {//存钱
		
        if （add < 0） {
                System.out.println（“Invalid Amount“）;   
        }
        balance = balance + add;
		return true;
        
	}

	public void withdraw（double delete） throws OverdraftException {//取钱
		
		if （balance < delete） {			//取钱数大于余额
			throw new OverdraftException（“Insufficient funds“delete-balance）;
		}
		if （delete < 0） {		//取钱数小于零
			throw new OverdraftException（“Invalid Amount“delete）;
		}
		balance = balance - delete;
	}
}

 属性            大小     日期    时间   名称
----------- ---------  ---------- -----  ----
     目录           0  2013-11-22 00:29  banking9.3\
     文件         301  2013-11-07 22:58  banking9.3\.classpath
     文件         383  2013-11-07 22:58  banking9.3\.project
     目录           0  2013-11-22 00:29  banking9.3\.settings\
     文件         598  2013-11-07 22:58  banking9.3\.settings\org.eclipse.jdt.core.prefs
     目录           0  2013-11-22 00:29  banking9.3\bin\
     目录           0  2013-11-22 00:29  banking9.3\bin\domain\
     文件        1002  2013-11-21 23:39  banking9.3\bin\domain\Account.class
     文件        1285  2013-11-22 00:26  banking9.3\bin\domain\Bank.class
     文件         937  2013-11-21 23:48  banking9.3\bin\domain\CheckingAccount.class
     文件        1474  2013-11-22 00:26  banking9.3\bin\domain\Customer.class
     文件         516  2013-11-21 23:18  banking9.3\bin\domain\OverdraftException.class
     文件         390  2013-11-20 14:29  banking9.3\bin\domain\SavingsAccount.class
     文件        1323  2013-11-22 00:01  banking9.3\bin\domain\TestBanking.class
     目录           0  2013-11-22 00:29  banking9.3\bin\report\
     文件        2023  2013-11-21 19:43  banking9.3\bin\report\CustomerReport.class
     目录           0  2013-11-22 00:29  banking9.3\src\
     目录           0  2013-11-22 00:29  banking9.3\src\domain\
     文件         964  2013-11-21 23:39  banking9.3\src\domain\Account.java
     文件         818  2013-11-22 00:26  banking9.3\src\domain\Bank.java
     文件        1097  2013-11-21 23:48  banking9.3\src\domain\CheckingAccount.java
     文件         928  2013-11-22 00:26  banking9.3\src\domain\Customer.java
     文件         294  2013-11-21 23:18  banking9.3\src\domain\OverdraftException.java
     文件         238  2013-11-07 23:00  banking9.3\src\domain\SavingsAccount.java
     文件        1166  2013-11-22 00:01  banking9.3\src\domain\TestBanking.java
     目录           0  2013-11-22 00:29  banking9.3\src\report\
     文件        1491  2013-11-21 19:40  banking9.3\src\report\CustomerReport.java