savingaccount.java

东软JAVA内部资料

package com.neusoft.course.oo;

public class SavingAccount extends Account {
	private double interestRate;


	public SavingAccount(double initBalance, double rate) {
		super(initBalance);
		interestRate = rate;
	}


	public double getInterestRate() {
		return interestRate;
	}


	public void setInterestRate(double interestRate) {
		this.interestRate = interestRate;
	}
	
	public String getInfo() {
		return "saving: " + String.valueOf(balance);
	}
	
	public static void main(String[] args) {
		Account account = new SavingAccount(1000,0.02);
		System.out.println(account.withDraw(1000));
		account = new Account(0);
		System.out.println(account.withDraw(1000));
		account = new CheckingAccount(0, 2000);
		System.out.println(account.withDraw(1000));
		
	}

}