zhanghu.java

输入银行的汇率

import java.util.*;
class Base
{
	double money;
}
class Chuxu extends Base
{
	static double nianlilu=0.05;
	double YueLiXi;
	void LiXi()
	{
		YueLiXi=money*nianlilu/12;
		
	}
	void Change()
	{
		System.out.println("请输入你要更改的利率：");
		Scanner reader=new Scanner(System.in);
		double m=reader.nextDouble();
		nianlilu=m;
	}
	
}




public class zhanghu {

	/**
	 * @param args
	 */
	public static void main(String[] args) {
		// TODO 自动生成方法存根
		Chuxu c=new Chuxu();
		c.money=10000;
		c.LiXi();
		System.out.println("月利息="+c.YueLiXi);
		c.Change();
		c.LiXi();
		System.out.println("月利息="+c.YueLiXi);

}
}