savingaccount.java

基本实现银行存取款功能

package entity;
public class SavingAccount extends Account{  
	public SavingAccount(){}
	public SavingAccount(String name,String password,String personId){
		super(name,password,personId);   	
    }  
    public void withdraw(double money){
		if(this.getBalance()>=money){
			this.setBalance(this.getBalance()-money);
		}else{
			System.out.println("Sorry , your balance not enough !");
		}
	}
}