loanable.java

银行的一个管理系统

package com.shunshi.bam.entity.model;
import com.shunshi.bam.exception.*;
public interface Loanable {
	void requestLoan(double loan)throws LoanException;
	void payLoan(double loan)throws LoanException,BalanceSmalerZeroException,BalanceNotEnoughException;
	double getLoan();
}