card.java

模拟实现电话卡,能修改密码,通话,记时等

import java.io.*;

public class Card {
	private int sers = 0;//序列号

	private int psd = 123456;//密码

	private int b;//余额

	private int getB() {
		return b;
	}

	private void setB(int b) {
		this.b = b;
	}

	private int getPsd() {
		return psd;
	}

	private void setPsd(int psd) {
		this.psd = psd;
	}
    
	private int getSers() {
		return sers;
	}
	public Card(int psd, int b) {
		psd = this.psd;
		b = this.b;
		sers = sers + 1;

	}

	public void chongzhi(int m) {
		int s;
		s = this.getB();
		s = s + m;
		this.setB(s);
	}

	public void resetpsd(int k) {
		this.setPsd(k);
	}

	public void showmoney() {
		this.getB();
	}

	public void phone() {
		System.out.println("请输入选择号");
		int a=read();
		
		switch (a) {
		case 1:
			System.out.println("请输入密码");
			int k=read();
			setPsd(k);
			
			break;

		case 2:
			System.out.println("请输入充值数");
			int d=read();
			setB(d);
			
			break;

		case 3:
			System.out.println("输出余额");
			showmoney();
			
			break;
       default: 
    	   break;
		}
	}

	public int read() {
		String s = "";
		BufferedReader in = new BufferedReader(new InputStreamReader(System.in));
		try {
			s = in.readLine();
		} catch (IOException e) {

		}
		return Integer.parseInt(s);
	}

	/**
	 * @param args
	 */
	public static void main(String[] args) {
		// TODO Auto-generated method stub
		int a=66666; int b=99999;
    Card ss=new Card(a,b);
   
    
   
	}

}