java抽奖小程序源码

import java.util.Scanner;

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public class ChouJiang {

public static void main(String[] args) {

System.out.println("我行我素购物管理系统幸运抽奖");

System.out.println("");

System.out.println("");

Scanner input=new Scanner(System.in);

System.out.print("请输入四位会员号：");

int hyh=input.nextInt();

int q,b,s,g,sum;

q=hyh/1000;

b=hyh/100%10;

s=hyh/10%10;

g=hyh%10;

sum=q+b+s+g;

if(sum=23)

{

System.out.println(hyh+"是幸运客户，获精美MP3一台！");

}else

{

System.out.println(hyh+"谢谢您的支持！");

}

}

}

JAVA抽签小程序

您好：package test;import java.util.HashSet;

import java.util.Set;

import java.util.Iterator;public class test {

public static void main(String[] args) {

Set set = new HashSet();

for (int i = 1; i = 100; i++) {

set.add(i);

}

Iterator it = set.iterator();

for (int i = 0; i set.size(); i++) {

if(it.hasNext()){

System.out.println(it.next());

}

}

}

}先把100放入set然后再随即找出来。另外一个想法是随即产生数，放入list中判断是否重复，这样也达到这样的效果。

java小程序源代码，简单点的，100多行，谁有啊？？

// My car shop.java

import java.awt.*;

import java.awt.event.*;

import javax.swing.*;

import javax.swing.border.*;

public class carshop extends JFrame

{

// JPanel to hold all pictures

private JPanel windowJPanel;

private String[] cars = { "","阿斯顿马丁", "美洲虎", "凯迪拉克",

"罗孚", "劳斯莱斯","别克"};

private int[] jiage = { 0,150000, 260000, 230000,

140000, 290000, 150000};

// JLabels for first snack shown

private JLabel oneJLabel;

private JLabel oneIconJLabel;

// JLabels for second snack shown

private JLabel twoJLabel;

private JLabel twoIconJLabel;

// JLabels for third snack shown

private JLabel threeJLabel;

private JLabel threeIconJLabel;

// JLabels for fourth snack shown

private JLabel fourJLabel;

private JLabel fourIconJLabel;

// JLabels for fifth snack shown

private JLabel fiveJLabel;

private JLabel fiveIconJLabel;

// JLabels for sixth snack shown

private JLabel sixJLabel;

private JLabel sixIconJLabel;

// JTextField for displaying snack price

private JTextArea displayJTextArea;

// JLabel and JTextField for user input

private JLabel inputJLabel;

private JComboBox selectCountryJComboBox;

private JLabel inputJLabel2;

private JTextField inputJTextField2;

// JButton to enter user input

private JButton enterJButton;

//JButton to clear the components

private JButton clearJButton;

// no-argument constructor

public carshop()

{

createUserInterface();

}

// create and position GUI components; register event handlers

private void createUserInterface()

{

// get content pane for attaching GUI components

Container contentPane = getContentPane();

// enable explicit positioning of GUI components

contentPane.setLayout( null );

// set up windowJPanel

windowJPanel = new JPanel();

windowJPanel.setBounds( 10, 20, 340, 200 );

windowJPanel.setBorder( new LineBorder( Color.BLACK ) );

windowJPanel.setLayout( null );

contentPane.add( windowJPanel );

// set up oneIconJLabel

oneIconJLabel = new JLabel();

oneIconJLabel.setBounds( 10, 20, 100, 65 );

oneIconJLabel.setIcon( new ImageIcon( "images/阿斯顿马丁.jpg" ) );

windowJPanel.add( oneIconJLabel );

// set up oneJLabel

oneJLabel = new JLabel();

oneJLabel.setBounds( 10, 60, 100, 70 );

oneJLabel.setText( "阿斯顿马丁" );

oneJLabel.setHorizontalAlignment( JLabel.CENTER );

windowJPanel.add( oneJLabel );

// set up twoIconJLabel

twoIconJLabel = new JLabel();

twoIconJLabel.setBounds( 120, 20, 100, 65 );

twoIconJLabel.setIcon( new ImageIcon( "images/美洲虎.jpg" ) );

windowJPanel.add( twoIconJLabel );

// set up twoJLabel

twoJLabel = new JLabel();

twoJLabel.setBounds( 110, 60, 100, 70 );

twoJLabel.setText( "美洲虎" );

twoJLabel.setHorizontalAlignment( JLabel.CENTER );

windowJPanel.add( twoJLabel );

// set up threeIconJLabel

threeIconJLabel = new JLabel();

threeIconJLabel.setBounds( 230, 20, 100, 65 );

threeIconJLabel.setIcon( new ImageIcon(

"images/凯迪拉克.jpg" ) );

windowJPanel.add( threeIconJLabel );

// set up threeJLabel

threeJLabel = new JLabel();

threeJLabel.setBounds( 230, 60, 100, 70);

threeJLabel.setText( "凯迪拉克" );

threeJLabel.setHorizontalAlignment( JLabel.CENTER );

windowJPanel.add( threeJLabel );

// set up fourIconJLabel

fourIconJLabel = new JLabel();

fourIconJLabel.setBounds( 10, 100, 100, 65 );

fourIconJLabel.setIcon( new ImageIcon( "images/罗孚.jpg" ) );

windowJPanel.add( fourIconJLabel );

// set up fourJLabel

fourJLabel = new JLabel();

fourJLabel.setBounds( 10, 150, 50, 70 );

fourJLabel.setText( "罗孚" );

fourJLabel.setHorizontalAlignment( JLabel.CENTER );

windowJPanel.add( fourJLabel );

// set up fiveIconJLabel

fiveIconJLabel = new JLabel();

fiveIconJLabel.setBounds( 120, 100, 100, 65 );

fiveIconJLabel.setIcon( new ImageIcon(

"images/劳斯莱斯.jpg" ) );

windowJPanel.add( fiveIconJLabel );

// set up fiveJLabel

fiveJLabel = new JLabel();

fiveJLabel.setBounds( 110, 150, 100, 70 );

fiveJLabel.setText( "劳斯莱斯" );

fiveJLabel.setHorizontalAlignment( JLabel.CENTER );

windowJPanel.add( fiveJLabel );

// set up sixIconJLabel

sixIconJLabel = new JLabel();

sixIconJLabel.setBounds( 230, 100, 100, 65 );

sixIconJLabel.setIcon( new ImageIcon( "images/别克.jpg" ) );

windowJPanel.add( sixIconJLabel );

// set up sixJLabel

sixJLabel = new JLabel();

sixJLabel.setBounds( 230, 150, 100, 70 );

sixJLabel.setText( "别克" );

sixJLabel.setHorizontalAlignment( JLabel.CENTER );

windowJPanel.add( sixJLabel );

// set up enterJButton

enterJButton = new JButton();

enterJButton.setBounds( 390, 160, 135, 30 );

enterJButton.setText( "Enter" );

contentPane.add( enterJButton );

enterJButton.addActionListener(

new ActionListener() // anonymous inner class

{

// event handler called when enterJButton is clicked

public void actionPerformed( ActionEvent event )

{

enterJButtonActionPerformed( event );

}

} // end anonymous inner class

); // end call to addActionListener

// set up clearJButton

clearJButton = new JButton();

clearJButton.setBounds( 390, 200, 135, 30 );

clearJButton.setText( "Clear" );

contentPane.add( clearJButton );

// set up inputJLabel

inputJLabel = new JLabel();

inputJLabel.setBounds( 390, 25, 135, 25 );

inputJLabel.setText( "Please make selection:" );

contentPane.add( inputJLabel );

selectCountryJComboBox = new JComboBox( cars );

selectCountryJComboBox.setBounds( 390, 50, 135, 21 );

selectCountryJComboBox.setMaximumRowCount( 3 );

contentPane.add( selectCountryJComboBox );

// set up inputJTextField

inputJLabel2 = new JLabel();

inputJLabel2.setBounds( 390, 80, 150, 20 );

inputJLabel2.setText( "Input the Numble:" );

contentPane.add( inputJLabel2 );

// set up inputJTextField

inputJTextField2 = new JTextField();

inputJTextField2.setBounds( 390, 100, 135, 25 );

inputJTextField2.setHorizontalAlignment( JTextField.RIGHT );

contentPane.add( inputJTextField2 );

clearJButton.addActionListener(

new ActionListener() // anonymous inner class

{

// event handler called when clearJButton is clicked

public void actionPerformed( ActionEvent event )

{

clearJButtonActionPerformed( event );

}

} // end anonymous inner class

);

// set up displayJTextField

displayJTextArea = new JTextArea();

displayJTextArea.setBounds( 10, 237,515, 70 );

displayJTextArea.setEditable( false );

contentPane.add( displayJTextArea );

// set properties of application's window

setTitle( "My car Shop" ); // set title bar string

setSize( 550, 360 ); // set window size

setVisible( true ); // display window

} // end method createUserInterface

private void clearJButtonActionPerformed( ActionEvent event )

{

// clear the JTextFields

inputJTextField2.setText( "" );

displayJTextArea.setText("");

} // end method clearJButtonActionPerformed

private void enterJButtonActionPerformed( ActionEvent event )

{

double z;

double c;

int x;

int y;

x=selectCountryJComboBox.getSelectedIndex();

y=Integer.parseInt(inputJTextField2.getText());

double discountRate;

int amount = Integer.parseInt( inputJTextField2.getText());

switch (amount/5)

{

case 0:

discountRate = 0;

break;

case 1:

discountRate = 1;

break;

case 2:

discountRate = 2;

break;

case 3:

discountRate = 3;

break;

default:

discountRate = 4;

} // end switch statement

c=1-discountRate/100;

z=jiage[x]*y*c;

displayJTextArea.append("你选择的是："+cars[x]+"；"+

"它的单价是："+jiage[x]+"；" +"你购买该产品的数量是："+y+"，" +"\n"+"该数量的折扣是："

+discountRate + " %"+"；"+"本次消费的总价格是："+z+"元"+"!"+"\n");

}

public static void main( String args[] )

{

carshop application = new carshop();

application.setDefaultCloseOperation( JFrame.EXIT_ON_CLOSE );

} // end method main

} // end class carshop

java 制作抽奖小程序

帮你做了一个，不知是否满意呢？

import java.applet.Applet;

import java.awt.Button;

import java.awt.Color;

import java.awt.Graphics;

import java.awt.TextField;

import java.awt.event.ActionEvent;

import java.util.Random;

import java.util.Vector;

public class Lottery extends Applet {

private static final long serialVersionUID = 1L;

int w,h;

Button ok,out,setup;

String[] msg;

TextField[] gaiLv;

TextField[] jiangPin;

int mx,ml;

int maxNum;

Random ran;

VectorInteger fist;

VectorInteger sec;

VectorInteger third;

VectorInteger lucky;

boolean lot=false;

boolean iserr=false;

boolean issetup=false;

String mesg="输入错误";

String priseMsg="继续努力！";

public void init(){

w=400;

h=220;

mx=20;

ml=40;

ran=new Random();

this.setSize(w, h);

this.setLayout(null);

ok=new Button("抽奖");

out=new Button("退出");

setup=new Button("确认设置");

msg=new String[4];

msg[0]="一等奖";

msg[1]="二等奖";

msg[2]="三等奖";

msg[3]="幸运奖";

gaiLv=new TextField[4];

jiangPin=new TextField[4];

for(int i=0;i4;i++){

gaiLv[i]=new TextField("0.0"+(i+1));

this.add(gaiLv[i]);

gaiLv[i].setBounds(mx+ml, 75+i*26, 60, 18);

jiangPin[i]=new TextField();

this.add(jiangPin[i]);

jiangPin[i].setBounds(mx+ml*3, 75+i*26, 80, 18);

}

this.add(ok);

ok.setBounds(260, 180, 60, 28);

ok.addActionListener(new LotButtonAction(this));

this.add(out);

out.setBounds(330, 180, 60, 28);

out.addActionListener(new LotButtonAction(this));

this.add(setup);

setup.setBounds(110, 180, 80, 24);

setup.addActionListener(new LotButtonAction(this));

}

public void paint(Graphics g){

g.setColor(Color.white);

g.fillRect(0, 0, this.getWidth(), this.getHeight());

g.setColor(new Color(230,255,230));

g.fillRect(0, 0, w, 30);

g.setColor(Color.BLUE);

g.drawString("JAVA抽奖系统", 130, 20);

g.setColor(Color.ORANGE);

g.drawRect(10, 40, 230, 170);

g.setColor(Color.BLACK);

g.drawString("设置", mx, 60);

g.drawString("概率", mx+ml, 60);

g.drawString("奖品", mx+ml*3, 60);

for(int i=0;imsg.length;i++){

g.setColor(new Color(255-(i*30),45,89));

g.drawString(msg[i], 20, 90+i*26);

}

if(lot==true){

g.setColor(new Color(ran.nextInt(255),ran.nextInt(255),ran.nextInt(255)));

if(priseMsg.length()=7){

g.drawString(priseMsg, 260, 100);

}else{

g.drawString(priseMsg.substring(0, 5), 260, 100);

g.drawString(priseMsg.substring(5), 260, 120);

}

}

if(iserr==true){

g.drawString(mesg, 260, 100);

}

}

public void getLucky(){

float firu=1;

float secu=1;

float thiu=1;

float fouu=1;

float minu=1;

if(gaiLv[0].getText().trim().length()1){

firu=Float.parseFloat(gaiLv[0].getText());

if(firu=0||firu=1){

iserr=true;

return;

}

if(firuminu){

minu=firu;

}

}

if(gaiLv[1].getText().trim().length()1){

secu=Float.parseFloat(gaiLv[1].getText());

if(secu=0||secu=1){

iserr=true;

return;

}

if(secuminu){

minu=secu;

}

}

if(gaiLv[2].getText().trim().length()1){

thiu=Float.parseFloat(gaiLv[2].getText());

if(thiu=0||thiu=1){

iserr=true;

return;

}

if(thiuminu){

minu=thiu;

}

}

if(gaiLv[3].getText().trim().length()1){

fouu=Float.parseFloat(gaiLv[3].getText());

if(fouu=0||fouu=1){

iserr=true;

return;

}

if(fouuminu){

minu=fouu;

}

}

if(minu=1||minu=0){

iserr=true;

return;

}

float aNum=1/minu;

maxNum=(int)aNum;

int count=(int)(firu/minu);

if(firu!=1){

fist=getLotteryVec(maxNum,count);

}else{

fist.removeAllElements();

}

count=(int)(secu/minu);

if(secu!=1){

sec=getLotteryVec(maxNum,count);

}else{

sec.removeAllElements();

}

count=(int)(thiu/minu);

if(thiu!=1){

third=getLotteryVec(maxNum,count);

}else{

third.removeAllElements();

}

count=(int)(fouu/minu);

if(fouu!=1){

lucky=getLotteryVec(maxNum,count);

}else{

lucky.removeAllElements();

}

issetup=true;

iserr=false;

}

protected VectorInteger getLotteryVec(int maxNum,int num){

VectorInteger result=new VectorInteger();

for(int i=0;inum;i++){

result.add(ran.nextInt(maxNum));

}

return result;

}

protected int getaNum(){

return ran.nextInt(maxNum);

}

public int isLucky(int pNum){

for(int i=0;ifist.size();i++){

if(fist.get(i)==pNum){

return 1;

}

}

for(int i=0;isec.size();i++){

if(sec.get(i)==pNum){

return 2;

}

}

for(int i=0;ithird.size();i++){

if(third.get(i)==pNum){

return 3;

}

}

for(int i=0;ilucky.size();i++){

if(lucky.get(i)==pNum){

return 4;

}

}

return -1;

}

public void ButtonActionPerformed(ActionEvent e){

String acName=e.getActionCommand();

if(acName.equals("抽奖")){

if(issetup==false){

priseMsg="请先设置参数！";

lot=true;

repaint();

lot=false;

return;

}

lot=true;

priseMsg=getResult(getaNum());

repaint();

// lot=false;

}else if(acName.equals("退出")){

this.setVisible(false);

this.stop();

this.destroy();

System.exit(0);

}else if(acName.equals("确认设置")){

lot=false;

getLucky();

repaint();

}

}

public String getResult(int num){

int resu=isLucky(num);

String result="";

switch(resu){

case -1:

result="继续努力！";

break;

case 1:

result="恭喜你！一等奖!\n获得"+jiangPin[0].getText();

break;

case 2:

result="恭喜你！二等奖!\n获得"+jiangPin[1].getText();

break;

case 3:

result="恭喜你！三等奖!\n获得"+jiangPin[2].getText();

break;

case 4:

result="恭喜你！幸运奖!\n获得"+jiangPin[3].getText();

break;

default:

result="继续努力！";

}

return result+num;

}

}

class LotButtonAction implements java.awt.event.ActionListener{

Lottery su;

public LotButtonAction(Lottery bun){

this.su=bun;

}

@Override

public void actionPerformed(ActionEvent e) {

su.ButtonActionPerformed(e);

}

}

求java经典小程序代码

代码如下：

public class HelloWorld {

public static void main(String []args) {

int a = 3, b = 7 ;

 System.out.println("Hello World!");

}

public static int f(int a, int b){

return a*a + a*b + b*b;

}

}

结果如下：

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