java叫號系統(tǒng)代碼 叫號排隊系統(tǒng)java

用java語言編寫一個小型的銀行系統(tǒng)代碼

private?int?balance?=?0;

在衛(wèi)輝等地區(qū)，都構(gòu)建了全面的區(qū)域性戰(zhàn)略布局，加強發(fā)展的系統(tǒng)性、市場前瞻性、產(chǎn)品創(chuàng)新能力，以專注、極致的服務(wù)理念，為客戶提供做網(wǎng)站、網(wǎng)站設(shè)計 網(wǎng)站設(shè)計制作按需策劃設(shè)計,公司網(wǎng)站建設(shè),企業(yè)網(wǎng)站建設(shè),高端網(wǎng)站設(shè)計,成都全網(wǎng)營銷推廣,外貿(mào)營銷網(wǎng)站建設(shè),衛(wèi)輝網(wǎng)站建設(shè)費用合理。

private??String?username?=?"A";

private??String?password?=?"B";

public?void?bank()?{

Scanner?scan?=?new?Scanner(System.in);

String??temp;

while?(true)?{

System.out.println("輸入賬號：");

if?(scan.hasNext())?{

temp?=?scan.next();

if?(temp.equals(username))?{

break;

}?else?{

System.out.println("輸入錯誤");

}

}

}

while?(true)?{

System.out.println("輸入密碼：");

if?(scan.hasNext())?{

temp?=?scan.next();

if?(temp.equals(password))?{

break;

}?else?{

System.out.println("輸入錯誤");

}

}

}

System.out.println("登錄成功");

while?(true)?{

System.out.println("輸入操作：");

if?(scan.hasNext())?{

temp?=?scan.next();

switch?(temp)?{

case?"存款":

int?x?=?0;

while?(true)?{

System.out.println("輸入存款金額：");

if?(scan.hasNextInt())?{

x?=?scan.nextInt();

break;

}?else?{

System.out.println("輸入錯誤");

scan.next();

}

}

balance?+=?x;

break;

case?"取款":

int?y?=?0;

while?(true)?{

System.out.println("輸入取款金額：");

if?(scan.hasNextInt())?{

y?=?scan.nextInt();

if?(balance??y)?{

System.out.println("余額不足");

continue;

}

break;

}?else?{

System.out.println("輸入錯誤");

scan.next();

}

}

balance?-=?y;

break;

case?"余額":

System.out.println("余額："?+?balance);

break;

case?"終止":

System.exit(0);

default:

System.out.println("未知操作");

}

}

}

用java實現(xiàn)銀行排隊程序，要求模擬銀行的業(yè)務(wù)排隊系統(tǒng)，要有界面，實現(xiàn)完成的排隊和叫號

import java.awt.Color;

import java.awt.event.ActionEvent;

import java.awt.event.ActionListener;

import java.awt.event.WindowAdapter;

import java.awt.event.WindowEvent;

import javax.swing.ButtonGroup;

import javax.swing.JButton;

import javax.swing.JFrame;

import javax.swing.JLabel;

import javax.swing.JPanel;

import javax.swing.JTextField;

public class BankWaiting extends JFrame implements ActionListener {

int total = 0, now = 0;

boolean is1Ready = false, is2Ready = false, is3Ready = false;

int call1, call2, call3;

JFrame jf;

JLabel jr, jl, jl1, j2, jl2, j3, jl3;

JTextField jr4;

JButton jb, jb1, jb2, j1;

JButton workBut1, workBut2, workBut3;

JPanel jp, jp1, jp2;

public BankWaiting() {

setLayout(null);

jf = new JFrame("銀行叫號程序");// 窗體

jr = new JLabel("請**號到*號窗口辦理業(yè)務(wù)");

jr.setBounds(300, 10, 800, 50);

jr.setForeground(Color.red);

j1 = new JButton("取號");

j1.addActionListener(this);

jr4 = new JTextField("歡迎");

jr4.setEditable(false);

ButtonGroup bg = new ButtonGroup();

bg.add(j1);

jp = new JPanel();

jl = new JLabel("一號窗口");

jl1 = new JLabel("一號窗口，歡迎你！");

jb = new JButton("下一位");

workBut1 = new JButton("開始辦理");

workBut1.addActionListener(this);

jb.addActionListener(this);

jp.setBackground(Color.pink);

jp.setSize(200, 80);// 大小

jp.setLocation(20, 120); // 位置

jf.setLayout(null);

jp1 = new JPanel();

j2 = new JLabel("二號窗口");

jl2 = new JLabel("二號窗口，歡迎你！");

jb1 = new JButton("下一位");

workBut2 = new JButton("開始辦理");

jb1.addActionListener(this);

workBut2.addActionListener(this);

jp1.setBackground(Color.pink);

jp1.setSize(200, 80);// 大小

jp1.setLocation(250, 120); // 位置

jf.setLayout(null);

jp2 = new JPanel();

j3 = new JLabel("三號窗口");

jl3 = new JLabel("三號窗口，歡迎你！");

jb2 = new JButton("下一位");

workBut3 = new JButton("開始辦理");

workBut3.addActionListener(this);

jb2.addActionListener(this);

jp2.setBackground(Color.pink);

jp2.setSize(200, 80);// 大小

jp2.setLocation(500, 120); // 位置

jf.setLayout(null);

jf.add(jp);

jf.add(jp1);

jf.add(jp2);

jf.add(jr);

jp.add(jl);

jp.add(jl1);

jp.add(jb);

jp.add(workBut1);

jp1.add(j2);

jp1.add(jl2);

jp1.add(jb1);

jp1.add(workBut2);

jp2.add(j3);

jp2.add(jl3);

jp2.add(jb2);

jp2.add(workBut3);

jf.add(j1);

jf.add(jr4);

j1.setBounds(550, 300, 60, 30);

jr4.setBounds(300, 300, 200, 40);

jf.setSize(800, 600);

jf.setVisible(true);

jf.addWindowListener(new WindowAdapter() {

public void windowClosing(WindowEvent e) {

System.exit(0);

}

});

}

public void actionPerformed(ActionEvent e) {

String s = "";

if (e.getSource() == j1) {

s = "第" + (++total) + "號，前面還有" + (total - now - 1) + "位顧客!";

jr4.setText(s);

}

if (e.getSource() == jb) {

if (this.hasCustomers()) {

s = "請" + (++now) + "號顧客到一號窗口辦理";

call1 = now;

jl1.setText(s);

jr.setText(s);

is1Ready = true;

} else {

s = "當前已經(jīng)沒有顧客了";

jl1.setText(s);

is1Ready = false;

}

} else if (e.getSource() == jb1) {

if (this.hasCustomers()) {

s = "請" + (++now) + "號顧客到二號窗口辦理";

call2 = now;

jl2.setText(s);

jr.setText(s);

is2Ready = true;

} else {

s = "當前已經(jīng)沒有顧客了";

jl2.setText(s);

is2Ready = false;

}

} else if (e.getSource() == jb2) {

if (this.hasCustomers()) {

s = "請" + (++now) + "號顧客到三號窗口辦理";

call3 = now;

jl3.setText(s);

jr.setText(s);

is3Ready = true;

} else {

s = "當前已經(jīng)沒有顧客了";

jl3.setText(s);

is3Ready = false;

}

}

if (e.getSource() == workBut1) {

if (is1Ready) {

s = call1 + "號顧客正在辦理業(yè)務(wù)。。。";

jl1.setText(s);

is1Ready = false;

}

} else if (e.getSource() == workBut2) {

if (is2Ready) {

s = call2 + "號顧客正在辦理業(yè)務(wù)。。。";

jl2.setText(s);

is2Ready = false;

}

} else if (e.getSource() == workBut3) {

if (is3Ready) {

s = call3 + "號顧客正在辦理業(yè)務(wù)。。。";

jl3.setText(s);

is3Ready = false;

}

}

}

public boolean hasCustomers() {

if (now total) {

return true;

} else {

return false;

}

}

public static void main(String[] args) {

new BankWaiting();

}

}

java通訊錄管理系統(tǒng)設(shè)計代碼怎么編譯

java編寫這個通訊錄管理系統(tǒng)

java編寫這個通訊錄管理系統(tǒng)_Java如何實現(xiàn)通訊錄管理系統(tǒng)

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3點贊·2305人閱讀

Java如何實現(xiàn)通訊錄管理系統(tǒng)

發(fā)布時間：2020-07-28 09:39:42

來源：億速云

閱讀：65

作者：Leah

這篇文章將為大家詳細講解有關(guān)Java如何實現(xiàn)通訊錄管理系統(tǒng)，文章內(nèi)容質(zhì)量較高，因此小編分享給大家做個參考，希望大家閱讀完這篇文章后對相關(guān)知識有一定的了解。

本文實例為大家分享了java實現(xiàn)通訊錄管理系統(tǒng)的具體代碼，供大家參考，具體內(nèi)容如下

完成項目的流程：

1.根據(jù)需求，確定大體方向

2.功能模塊分析

3.界面實現(xiàn)

4.功能模塊設(shè)計

5.coding

6.代碼測試

下面是源代碼：import java.awt.Container;

import java.awt.GridLayout;

import java.awt.event.ActionEvent;

import java.awt.event.ActionListener;

import java.io.BufferedReader;

import java.io.FileNotFoundException;

import java.io.FileReader;

import java.io.FileWriter;

import java.io.IOException;

import java.util.ArrayList;

import java.util.Scanner;

import java.util.concurrent.SynchronousQueue;

import javax.swing.JButton;

import javax.swing.JFrame;

import javax.swing.JPanel;

import javax.swing.WindowConstants;

import javax.swing.text.html.HTMLDocument.Iterator;

class Infro{

public String id;

public String name;

public String sex;

public String address;

public String e_mail;

public String phoneNumber;

static int index = 0;

static ArrayList list = new ArrayList();

static int len = list.size();

//構(gòu)造函數(shù)

public Infro(String id,String name,String sex,String address,String e_mail,String phoneNumber){

this.id = id;

this.name = name;

this.sex = sex;

this.address = address;

this.e_mail = e_mail;

this.phoneNumber = phoneNumber;

}

public String toString(){

return "編號："+id+" 姓名："+name+" 性別："+sex+" 通訊地址："+address+" 郵箱地址："+e_mail+" 電話："+phoneNumber;

}

/**

* 添加功能

**/

public static void addFunction(){//添加功能

Infro infro = new Infro("","","","","","");

System.out.println("請輸入添加的數(shù)據(jù)：");

Scanner in = new Scanner(System.in);

System.out.println("輸入編號：");

infro.id = in.next();

System.out.println("輸入姓名：");

infro.name = in.next();

System.out.println("輸入性別：");

infro.sex = in.next();

System.out.println("輸入通訊地址：");

infro.address = in.next();

System.

out.println("輸入郵箱地址：");

infro.e_mail = in.next();

System.out.println("輸入電話：");

infro.phoneNumber = in.next();

list.add(index,infro);

index++;

if(list.isEmpty()){

System.out.println("數(shù)據(jù)添加失敗啦");

}else{

System.out.println("數(shù)據(jù)添加成功啦");

len++;//list集合長度加一

// System.out.println(list.get(0).toString());

}

}

// public static void deleteFunction(){//刪除功能

// System.out.println("輸入要刪除的聯(lián)系人的編號");

// Scanner in_2 = new Scanner(System.in);

// String d1 = in_2.nextLine();

// for(int a= 0; a

// if(d1.equals(list.get(a).id)){

// list.remove(list.get(a));

// len --;

// }

// }

// }

/**

* 刪除功能

**/

public static void deleteFunction(){

System.out.println("輸入要刪除的聯(lián)系人的編號");

Scanner in_2 = new Scanner(System.in);

String d1 = in_2.nextLine();

java.util.Iterator it = list.iterator();

while (it.hasNext()){

Infro infro = it.next();

if (infro.id.equals(d1)){

it.remove();

--index;//一定要加這個，否則當做了刪除操作再做添加操作的時候會出現(xiàn)異常(類似于指針，棧)

System.out.println("刪除完畢"+"此時通訊錄記錄條數(shù)為：" + --len);

}

}

}

/**

* 修改功能

**/

public static void reditFunction(){

System.out.println("輸入要修改的通訊錄的Id");

Scanner in_r = new Scanner(System.in);

String r1 = in_r.nextLine();

for(int a = 0; a len;a++){

if(r1.equals(list.get(a).id)){

System.out.println("輸入修改后的姓名：");

String name_1 = in_r.next();

list.get(a).name = name_1;

System.out.println("輸入修改后的性別：");

String sex_1 = in_r.next();

list.get(a).sex = sex_1;

System.out.println("輸入修改后的通訊地址：");

String address_1 = in_r.next();

list.get(a).address = address_1;

System.out.println("輸入修改后的郵箱地址：");

String e_mail_1 = in_r.next();

list.get(a).e_mail = e_mail_1;

System.out.println("輸入修改后的電話：");

String phoneNumber_1 = in_r.next();

list.get(a).phoneNumber = phoneNumber_1;

System.out.println("數(shù)據(jù)修改完畢");

}

}

}

/**

* 查詢功能

**/

public static void searchFunction() throws Exception{//查詢功能

System.out.println("請輸入要查詢的姓名：");

Scanner in_1 = new Scanner(System.in);

String s1=in_1.nextLine();

for(int a= 0; a

if(s1.equals(list.get(a).name)){

System.out.println(list.get(a).toString());

}

}

}

/**

* 顯示功能

**/

public static void showFunction(){

for(int i = 0 ;i

System.out.println(list.get(i).toString());

}

}

/**

* 保存功能

**/

public static void writeFunction() throws IOException{

FileWriter writer = new FileWriter("通訊錄管理.txt");

for(int i = 0 ;i

String []strwriter = new String[len];

strwriter[i]=list.get(i).toString();

writer.write(strwriter[i]);

writer.write("\r\n");

System.out.println("成功寫入一行數(shù)據(jù)到 通訊錄管理.txt 中");

}

writer.close();//關(guān)閉寫入流，釋放資源

}

/**

* 讀取功能

**/

public static void readFunction() throws IOException{

FileReader reader = new FileReader("通訊錄管理.txt");

BufferedReader br = new BufferedReader(reader);

String str;

while((str = br.readLine()) != null){//每次讀取一行文本，判斷是否到達文件尾

System.out.println(str);

}

br.close();

}

}

public class Demo extends JFrame {

/**

* 界面設(shè)計

**/

public Demo(){

Container c = getContentPane(); //定義一個頂級容器c

JPanel jp = new JPanel(); //新建JPanel面板--jp

JButton button1 = new JButton("新建聯(lián)系人");

JButton button2 = new JButton("刪除聯(lián)系人");

JButton button3 = new JButton("編輯聯(lián)系人");

JButton button4 = new JButton("查找聯(lián)系人");

JButton button5 = new JButton("顯示所有聯(lián)系人");

JButton button6 = new JButton("保存聯(lián)系人到本地");

JButton button7 = new JButton("讀取本地聯(lián)系人");

jp.setLayout(new GridLayout(2,4,5,5));//新建網(wǎng)格布局管理器(行數(shù)，列數(shù)，組件間的水平垂直間距)

jp.add(button1);

jp.add(button2);

jp.add(button3);

jp.add(button4);

jp.add(button5);

jp.add(button6);

jp.add(button7);

c.add(jp);//將JPanel面板jp添加到頂級容器c中

setSize(600,500);

setTitle("*通 訊 錄 管 理 系 統(tǒng)*");

setVisible(true);

setResizable(false);//窗體大小由程序員決定，用戶不能自由改變大小

setDefaultCloseOperation(WindowConstants.EXIT_ON_CLOSE);

/**

*按鍵響應(yīng)

*

**/

button1.addActionListener(new ActionListener(){//添加功能實現(xiàn)

public void actionPerformed(ActionEvent arg0){

Infro.addFunction();

}

});

button2.addActionListener(new ActionListener(){//刪除功能實現(xiàn)

public void actionPerformed(ActionEvent arg0){

Infro.deleteFunction();

}

});

button3.addActionListener(new ActionListener(){//修改功能實現(xiàn)

public void actionPerformed(ActionEvent arg0){

Infro.reditFunction();

}

});

button4.addActionListener(new ActionListener(){//查詢功能實現(xiàn)

public void actionPerformed(ActionEvent arg0){

try {

Infro.searchFunction();

} catch (Exception e) {

// TODO Auto-generated catch block

e.printStackTrace();

}

}

});

button5.addActionListener(new ActionListener(){//顯示功能實現(xiàn)

public void actionPerformed(ActionEvent arg0){

Infro.showFunction();

}

});

button6.addActionListener(new ActionListener(){//保存功能實現(xiàn)

public void actionPerformed(ActionEvent arg0){

try {

Infro.writeFunction();

} catch (IOException e) {

e.printStackTrace();

}

}

});

button7.addActionListener(new ActionListener(){//讀取功能實現(xiàn)

public void actionPerformed(ActionEvent arg0){

try {

Infro.readFunction();

} catch (IOException e) {

// TODO Auto-generated catch block

e.printStackTrace();

}

}

});

}

public static void main(String[] args) {

// TODO Auto-generated method stub

new Demo();

Infro a = new Infro("", "", "", "", "", "");

}

}

關(guān)于Java如何實現(xiàn)通訊錄管理系統(tǒng)就分享到這里了，希望以上內(nèi)容可以對大家有一定的幫助，可以學(xué)到更多知識。如果覺得文章不錯，可以把它分享出去讓更多的人看到。

求java中類似學(xué)生信息管理系統(tǒng)中按學(xué)號，按姓名排序的代碼

import?java.util.ArrayList;

import?java.util.Collections;

import?java.util.Comparator;

import?java.util.List;

public?class?Sort?{

public?static?void?main(String[]?args)?{

Student?p1?=?new?Student(1001,?"小明",?20);

Student?p2?=?new?Student(1002,?"小紅",?21);

Student?p3?=?new?Student(1003,?"小黑",?19);

ListStudent?list?=?new?ArrayListStudent();

list.add(p1);

list.add(p2);

list.add(p3);

Collections.sort(list,?new?ComparatorStudent()?{

/*

?*?int?compare(Student?o1,?Student?o2)?返回一個基本類型的整型，?返回負數(shù)表示：o1?小于o2，

?*?返回0?表示：o1和o2相等，?返回正數(shù)表示：o1大于o2。

?*/

public?int?compare(Student?o1,?Student?o2)?{

//?按照學(xué)生的學(xué)號進行升序排列

if?(o1.getId()??o2.getId())?{

return?1;

}

if?(o1.getId()?==?o2.getId())?{

return?0;

}

return?-1;

}

});

write(list);

System.out.println("---------------------");

Collections.sort(list,?new?ComparatorStudent()?{

/*

?*?int?compare(Student?o1,?Student?o2)?返回一個基本類型的整型，?返回負數(shù)表示：o1?小于o2，

?*?返回0?表示：o1和o2相等，?返回正數(shù)表示：o1大于o2。

?*/

public?int?compare(Student?o1,?Student?o2)?{

//?按照學(xué)生的年齡進行升序排列

if?(o1.getAge()??o2.getAge())?{

return?1;

}

if?(o1.getAge()?==?o2.getAge())?{

return?0;

}

return?-1;

}

});

write(list);

}

public?static?void?write(ListStudent?list)?{

for?(Student?s?:?list)?{

System.out.println(s.getId()?+?"\t"?+?s.getName()?+?"\t"

+?s.getAge());

}

}

}

public?class?Student?{

private?int?id?;

private?String?name;

private?int?age;

//構(gòu)造方法

public?Student(int?id,String?name,int?age){

this.id?=?id;

this.name?=?name;

this.age?=?age;

}

public?int?getId()?{

return?id;

}

public?void?setId(int?id)?{

this.id?=?id;

}

public?String?getName()?{

return?name;

}

public?void?setName(String?name)?{

this.name?=?name;

}

public?int?getAge()?{

return?age;

}

public?void?setAge(int?age)?{

this.age?=?age;

}

}

用java編的銀行賬戶系統(tǒng)代碼

package pack.money.persistent;import java.sql.Connection;

import java.sql.PreparedStatement;

import java.sql.ResultSet;

import java.util.ArrayList;import pack.money.entity.Client;

import pack.money.entity.ClientMessage;

public class ClientPersistent {

//private static int a=0;

private static String t,b;//t是password b是clinetname

private static ClientPersistent sp;

public static ClientPersistent getClientPersistent() {

if (sp == null) {

sp = new ClientPersistent();

}

return sp;

}

private ClientMessage getClientMessage(ResultSet rs) throws Exception{

ClientMessage student=new ClientMessage();

student.setMoney(rs.getFloat("money"));

student.setType(rs.getString("type"));

student.setClientName(rs.getString("ClientName"));

student.setTransactionID(rs.getInt("TransactionID"));

return student;

}

public Client login(Connection con,String ClientName,String password) throws Exception{

String sql="select balance,password,ClientName from Client where ClientName=? and password=?";

PreparedStatement ps=con.prepareStatement(sql);

ps.setString(1, ClientName);

ps.setString(2, password);

ResultSet rs=ps.executeQuery();

t=password;

b=ClientName;

System.out.println(t);

System.out.println(b);

if(rs.next()){

Client client=new Client();

client.setClientName(rs.getString("ClientName"));

client.setPassword(rs.getString("password"));

return client; }

throw new Exception("Can not login, the accountID or password has error. ");

} public void save(Connection con ,String money)throws Exception

{ // a++;

String s="save";

float g=Float.parseFloat(money);

String sql="update Client set balance=balance+? where ClientName=?";

String sql1="insert into ATMTransaction(ClientName,Type,money) values(?,?,?) ";

PreparedStatement ps=con.prepareStatement(sql);

PreparedStatement ps1=con.prepareStatement(sql1);

ps.setFloat(1, g);

ps.setString(2,b);

//ps1.setInt(1,a);

ps1.setString(1,b);

ps1.setString(2,s);

ps1.setFloat(3,g);

ps.executeUpdate();

ps1.executeUpdate();

}

public void withDraw (Connection con ,String money)throws Exception

{ //a++;

String s="WithDraw";

float x=Float.parseFloat(money);

String sql="update Client set balance=balance-? where ClientName=?";

String sql1="insert into ATMTransaction(ClientName,Type,money) values(?,?,?)";

PreparedStatement ps=con.prepareStatement(sql);

PreparedStatement ps1=con.prepareStatement(sql1);

ps.setFloat(1, x);

ps.setString(2,b);

//ps1.setInt(1,a);

ps1.setString(1,b);

ps1.setString(2,s);

ps1.setFloat(3,x);

ps.executeUpdate();

ps1.executeUpdate();

}

public String changePassword(Connection con, String OldPassWord,String newPassWord1,String newPassWord2)

throws Exception

{

if(t.equals(OldPassWord))

{

if(newPassWord1.equals(newPassWord2))

{

String sql="update Client set password=? where ClientName=?";

PreparedStatement ps=con.prepareStatement(sql);

ps.setString(1, newPassWord1);

ps.setString(2,b);

ps.executeUpdate();

String j="dsfasdf";

return j;

}

else

{System.out.print("確認密碼錯誤！");br return null;}

}

else

{ return null;

}

}

public ArrayListClientMessage disPlayAll(Connection con ) throws Exception

{

String sql="select * from ATMTransaction where ClientName=? ";

PreparedStatement ps=con.prepareStatement(sql);

ps.setString(1,b);

System.out.println(b+"****b****");

ResultSet rs=ps.executeQuery();

ArrayListClientMessage message=new ArrayListClientMessage();

while(rs.next()){

message.add(this.getClientMessage(rs));

}

return message;

}

public float showBalance(Connection con ) throws Exception

{

String sql="select balance from Client where ClientName=?";

PreparedStatement ps=con.prepareStatement(sql);

ps.setString(1, b);

ResultSet rs=ps.executeQuery();

if(rs.next())

{

float s;

s=rs.getFloat("balance");

return s;

}

else return 0 ;

}

}

本文名稱：java叫號系統(tǒng)代碼 叫號排隊系統(tǒng)java
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