求java小程序代碼，500行左右。。大作業(yè)用。追加50

import java.awt.*;

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import java.awt.event.*;

import javax.swing.*;

class mypanel extends Panel implements MouseListener

{

int chess[][] = new int[11][11];

boolean Is_Black_True;

mypanel()

{

Is_Black_True = true;

for(int i = 0;i 11;i++)

{

for(int j = 0;j 11;j++)

{

chess[i][j] = 0;

}

}

addMouseListener(this);

setBackground(Color.BLUE);

setBounds(0, 0, 360, 360);

setVisible(true);

}

public void mousePressed(MouseEvent e)

{

int x = e.getX();

int y = e.getY();

if(x 25 || x 330 + 25 ||y 25 || y 330+25)

{

return;

}

if(chess[x/30-1][y/30-1] != 0)

{

return;

}

if(Is_Black_True == true)

{

chess[x/30-1][y/30-1] = 1;

Is_Black_True = false;

repaint();

Justisewiner();

return;

}

if(Is_Black_True == false)

{

chess[x/30-1][y/30-1] = 2;

Is_Black_True = true;

repaint();

Justisewiner();

return;

}

}

void Drawline(Graphics g)

{

for(int i = 30;i = 330;i += 30)

{

for(int j = 30;j = 330; j+= 30)

{

g.setColor(Color.WHITE);

g.drawLine(i, j, i, 330);

}

}

for(int j = 30;j = 330;j += 30)

{

g.setColor(Color.WHITE);

g.drawLine(30, j, 330, j);

}

}

void Drawchess(Graphics g)

{

for(int i = 0;i 11;i++)

{

for(int j = 0;j 11;j++)

{

if(chess[i][j] == 1)

{

g.setColor(Color.BLACK);

g.fillOval((i + 1) * 30 - 8, (j + 1) * 30 - 8, 16, 16);

}

if(chess[i][j] == 2)

{

g.setColor(Color.WHITE);

g.fillOval((i + 1) * 30 - 8, (j + 1) * 30 - 8, 16, 16);

}

}

}

}

void Justisewiner()

{

int black_count = 0;

int white_count = 0;

int i = 0;

for(i = 0;i 11;i++)//橫向判斷

{

for(int j = 0;j 11;j++)

{

if(chess[i][j] == 1)

{

black_count++;

if(black_count == 5)

{

JOptionPane.showMessageDialog(this, "黑棋勝利");

Clear_Chess();

return;

}

}

else

{

black_count = 0;

}

if(chess[i][j] == 2)

{

white_count++;

if(white_count == 5)

{

JOptionPane.showMessageDialog(this, "白棋勝利");

Clear_Chess();

return;

}

}

else

{

white_count = 0;

}

}

}

for(i = 0;i 11;i++)//豎向判斷

{

for(int j = 0;j 11;j++)

{

if(chess[j][i] == 1)

{

black_count++;

if(black_count == 5)

{

JOptionPane.showMessageDialog(this, "黑棋勝利");

Clear_Chess();

return;

}

}

else

{

black_count = 0;

}

if(chess[j][i] == 2)

{

white_count++;

if(white_count == 5)

{

JOptionPane.showMessageDialog(this, "白棋勝利");

Clear_Chess();

return;

}

}

else

{

white_count = 0;

}

}

}

for(i = 0;i 7;i++)//左向右斜判斷

{

for(int j = 0;j 7;j++)

{

for(int k = 0;k 5;k++)

{

if(chess[i + k][j + k] == 1)

{

black_count++;

if(black_count == 5)

{

JOptionPane.showMessageDialog(this, "黑棋勝利");

Clear_Chess();

return;

}

}

else

{

black_count = 0;

}

if(chess[i + k][j + k] == 2)

{

white_count++;

if(white_count == 5)

{

JOptionPane.showMessageDialog(this, "白棋勝利");

Clear_Chess();

return;

}

}

else

{

white_count = 0;

}

}

}

}

for(i = 4;i 11;i++)//右向左斜判斷

{

for(int j = 6;j = 0;j--)

{

for(int k = 0;k 5;k++)

{

if(chess[i - k][j + k] == 1)

{

black_count++;

if(black_count == 5)

{

JOptionPane.showMessageDialog(this, "黑棋勝利");

Clear_Chess();

return;

}

}

else

{

black_count = 0;

}

if(chess[i - k][j + k] == 2)

{

white_count++;

if(white_count == 5)

{

JOptionPane.showMessageDialog(this, "白棋勝利");

Clear_Chess();

return;

}

}

else

{

white_count = 0;

}

}

}

}

}

void Clear_Chess()

{

for(int i=0;i11;i++)

{

for(int j=0;j11;j++)

{

chess[i][j]=0;

}

}

repaint();

}

public void paint(Graphics g)

{

Drawline(g);

Drawchess(g);

}

public void mouseExited(MouseEvent e){}

public void mouseEntered(MouseEvent e){}

public void mouseReleased(MouseEvent e){}

public void mouseClicked(MouseEvent e){}

}

class myframe extends Frame implements WindowListener

{

mypanel panel;

myframe()

{

setLayout(null);

panel = new mypanel();

add(panel);

panel.setBounds(0,23, 360, 360);

setTitle("單人版五子棋");

setBounds(200, 200, 360, 383);

setVisible(true);

addWindowListener(this);

}

public void windowClosing(WindowEvent e)

{

System.exit(0);

}

public void windowDeactivated(WindowEvent e){}

public void windowActivated(WindowEvent e){}

public void windowOpened(WindowEvent e){}

public void windowClosed(WindowEvent e){}

public void windowIconified(WindowEvent e){}

public void windowDeiconified(WindowEvent e){}

}

public class mywindow

{

public static void main(String argc [])

{

myframe f = new myframe();

}

}

需要一個(gè)java程序，最好是萬年歷的，要在500行左右的

Java-時(shí)鐘萬年歷

clock.java代碼如下：

/**

* Clock.java

* Summary 數(shù)字時(shí)間顯示

* Created on 2005-8-14

* @author 高?

* remark 如有改動(dòng)請(qǐng)發(fā)一份代碼給我，郵箱gkgklovelove@eyou.com

*/

package Clock;

import javax.swing.*;

import java.awt.*;

import java.awt.event.*;

import java.text.*;

import java.util.*;

class Clock extends Canvas implements Runnable{

MainFrame mf;

Thread t;

String time;

Clock(MainFrame mf){

this.mf=mf;

setSize(400,40);

setBackground(Color.white);

t=new Thread(this); //實(shí)例化線程

t.start(); //調(diào)用線程

}

public void run(){

while(true){

try{

t.sleep(1000); //休眠1秒鐘

}catch(InterruptedException e){

System.out.println("異常");

}

this.repaint(100);

}

}

public void paint(Graphics g){

Font f=new Font("宋體",Font.BOLD,16);

SimpleDateFormat SDF=new SimpleDateFormat("yyyy'年'MM'月'dd'日'HH:mm:ss");//格式化時(shí)間顯示類型

Calendar now=Calendar.getInstance();

time=SDF.format(now.getTime()); //得到當(dāng)前日期和時(shí)間

g.setFont(f);

g.setColor(Color.orange);

g.drawString(time,100,25);

}

MainFrame．java 的代碼如下：

/**

* MainFrame.java

* Summary 萬年歷主類

* Created on 2005-8-14

* @author 高?

* remark 如有改動(dòng)請(qǐng)發(fā)一份代碼給我，郵箱gkgklovelove@eyou.com

*/

package Clock;

import javax.swing.*;

import java.awt.*;

import java.awt.event.*;

import java.text.*;

import java.util.*;

class MainFrame extends JFrame{

JPanel panel=new JPanel(new BorderLayout());

JPanel panel1=new JPanel();

JPanel panel2=new JPanel(new GridLayout(7,7));

JPanel panel3=new JPanel();

JLabel []label=new JLabel[49];

JLabel y_label=new JLabel("年份");

JLabel m_label=new JLabel("月份");

JComboBox com1=new JComboBox();

JComboBox com2=new JComboBox();

JButton button=new JButton("查看");

int re_year,re_month;

int x_size,y_size;

String year_num;

Calendar now=Calendar.getInstance(); //實(shí)例化Calendar

MainFrame(){

super("萬年歷");

setSize(300,350);

x_size=(int)(Toolkit.getDefaultToolkit().getScreenSize().getWidth());

y_size=(int)(Toolkit.getDefaultToolkit().getScreenSize().getHeight());

setLocation((x_size-300)/2,(y_size-350)/2);

setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);

panel1.add(y_label);

panel1.add(com1);

panel1.add(m_label);

panel1.add(com2);

panel1.add(button);

for(int i=0;i49;i++){

label[i]=new JLabel("",JLabel.CENTER);//將顯示的字符設(shè)置為居中

panel2.add(label[i]);

}

panel3.add(new Clock(this));

panel.add(panel1,BorderLayout.NORTH);

panel.add(panel2,BorderLayout.CENTER);

panel.add(panel3,BorderLayout.SOUTH);

panel.setBackground(Color.white);

panel1.setBackground(Color.white);

panel2.setBackground(Color.white);

panel3.setBackground(Color.white);

Init();

button.addActionListener(new ActionListener(){

public void actionPerformed(ActionEvent e){

int c_year,c_month,c_week;

c_year=Integer.parseInt(com1.getSelectedItem().toString()); //得到當(dāng)前所選年份

c_month=Integer.parseInt(com2.getSelectedItem().toString())-1; //得到當(dāng)前月份，并減1,計(jì)算機(jī)中的月為0－11

c_week=use(c_year,c_month); //調(diào)用函數(shù)use，得到星期幾

Resetday(c_week,c_year,c_month); //調(diào)用函數(shù)Resetday

}});

setContentPane(panel);

setVisible(true);

setResizable(false);

}

public void Init(){

int year,month_num,first_day_num;

String log[]={"日","一","二","三","四","五","六"};

for(int i=0;i7;i++){

label[i].setText(log[i]);

}

for(int i=0;i49;i=i+7){

label[i].setForeground(Color.red); //將星期日的日期設(shè)置為紅色

}

for(int i=6;i49;i=i+7){

label[i].setForeground(Color.green);//將星期六的日期設(shè)置為綠色

}

for(int i=1;i10000;i++){

com1.addItem(""+i);

}

for(int i=1;i13;i++){

com2.addItem(""+i);

}

month_num=(int)(now.get(Calendar.MONTH)); //得到當(dāng)前時(shí)間的月份

year=(int)(now.get(Calendar.YEAR)); //得到當(dāng)前時(shí)間的年份

com1.setSelectedIndex(year-1); //設(shè)置下拉列表顯示為當(dāng)前年

com2.setSelectedIndex(month_num); //設(shè)置下拉列表顯示為當(dāng)前月

first_day_num=use(year,month_num);

Resetday(first_day_num,year,month_num);

}

public int use(int reyear,int remonth){

int week_num;

now.set(reyear,remonth,1); //設(shè)置時(shí)間為所要查詢的年月的第一天

week_num= (int)(now.get(Calendar.DAY_OF_WEEK));//得到第一天的星期

return week_num;

}

public void Resetday(int week_log,int year_log,int month_log){

int month_score_log; //判斷是否是閏年的標(biāo)記

int month_day_score; //存儲(chǔ)月份的天數(shù)

int count;

month_score_log=0;

month_day_score=0;

count=1;

if(year_log%4==0year_log%100!=0||year_log%400==0){//判斷是否為閏年

month_score_log=1;

}

month_log=month_log+1; //將傳來的月份數(shù)加1

switch(month_log){

case 1:

case 3:

case 5:

case 7:

case 8:

case 10:

case 12:

month_day_score=31;

break;

case 4:

case 6:

case 9:

case 11:

month_day_score=30;

break;

case 2:

if(month_score_log==1){

month_day_score=29;

}

else{

month_day_score=28;

}

break;

}

for(int i=7;i49;i++){ //初始化標(biāo)簽

label[i].setText("");

}

week_log=week_log+6; //將星期數(shù)加6，使顯示正確

month_day_score=month_day_score+week_log;

for(int i=week_log;imonth_day_score;i++,count++){

label[i].setText(count+"");

}

}

public static void main(String [] args){

JFrame.setDefaultLookAndFeelDecorated(true);

MainFrame start=new MainFrame();

}

}

需要一份500行的java程序，期末大作業(yè)，最好帶詳細(xì)注釋。

Java生成CSV文件簡(jiǎn)單操作實(shí)例

CSV是逗號(hào)分隔文件(Comma Separated Values)的首字母英文縮寫，是一種用來存儲(chǔ)數(shù)據(jù)的純文本格式，通常用于電子表格或數(shù)據(jù)庫(kù)軟件。在 CSV文件中，數(shù)據(jù)“欄”以逗號(hào)分隔，可允許程序通過讀取文件為數(shù)據(jù)重新創(chuàng)建正確的欄結(jié)構(gòu)，并在每次遇到逗號(hào)時(shí)開始新的一欄。如：

123? ?1,張三,男2,李四,男3,小紅,女? ?

Java生成CSV文件（創(chuàng)建與導(dǎo)出封裝類）

package com.yph.omp.common.util;

import java.io.BufferedWriter;

import java.io.File;

import java.io.FileInputStream;

import java.io.FileNotFoundException;

import java.io.FileOutputStream;

import java.io.IOException;

import java.io.InputStream;

import java.io.OutputStream;

import java.io.OutputStreamWriter;

import java.util.ArrayList;

import java.util.Iterator;

import java.util.LinkedHashMap;

import java.util.List;

import java.util.Map;

import javax.servlet.http.HttpServletRequest;

import javax.servlet.http.HttpServletResponse;

import org.apache.commons.beanutils.BeanUtils;

import org.junit.Test;

/**

* Java生成CSV文件

*/

public class CSVUtil {

/**

* 生成為CVS文件

*

* @param exportData

*? ? ? ? ? ? 源數(shù)據(jù)List

* @param map

*? ? ? ? ? ? csv文件的列表頭map

* @param outPutPath

*? ? ? ? ? ? 文件路徑

* @param fileName

*? ? ? ? ? ? 文件名稱

* @return

*/

@SuppressWarnings("rawtypes")

public static File createCSVFile(List exportData, LinkedHashMap map,

String outPutPath, String fileName) {

File csvFile = null;

BufferedWriter csvFileOutputStream = null;

try {

File file = new File(outPutPath);

if (!file.exists()) {

file.mkdir();

}

// 定義文件名格式并創(chuàng)建

csvFile = File.createTempFile(fileName, ".csv",

new File(outPutPath));

// UTF-8使正確讀取分隔符","

csvFileOutputStream = new BufferedWriter(new OutputStreamWriter(

new FileOutputStream(csvFile), "GBK"), 1024);

// 寫入文件頭部

for (Iterator propertyIterator = map.entrySet().iterator(); propertyIterator

.hasNext();) {

java.util.Map.Entry propertyEntry = (java.util.Map.Entry) propertyIterator

.next();

csvFileOutputStream

.write("\"" + (String) propertyEntry.getValue() != null ? (String) propertyEntry

.getValue() : "" + "\"");

if (propertyIterator.hasNext()) {

csvFileOutputStream.write(",");

}

}

csvFileOutputStream.newLine();

// 寫入文件內(nèi)容

for (Iterator iterator = exportData.iterator(); iterator.hasNext();) {

Object row = (Object) iterator.next();

for (Iterator propertyIterator = map.entrySet().iterator(); propertyIterator

.hasNext();) {

java.util.Map.Entry propertyEntry = (java.util.Map.Entry) propertyIterator

.next();

/*-------------------------------*/　

//以下部分根據(jù)不同業(yè)務(wù)做出相應(yīng)的更改

StringBuilder sbContext = new StringBuilder("");

if (null != BeanUtils.getProperty(row,(String) propertyEntry.getKey())) {

if("證件號(hào)碼".equals(propertyEntry.getValue())){

//避免：身份證號(hào)碼 ，讀取時(shí)變換為科學(xué)記數(shù) - 解決辦法：加 \t(用Excel打開時(shí)，證件號(hào)碼超過15位后會(huì)自動(dòng)默認(rèn)科學(xué)記數(shù))

sbContext.append(BeanUtils.getProperty(row,(String) propertyEntry.getKey()) + "\t");

}else{

sbContext.append(BeanUtils.getProperty(row,(String) propertyEntry.getKey()));? ? ? ? ? ? ? ? ? ? ? ? ?

}

}

csvFileOutputStream.write(sbContext.toString());

/*-------------------------------*/? ? ? ? ? ? ? ? ?

if (propertyIterator.hasNext()) {

csvFileOutputStream.write(",");

}

}

if (iterator.hasNext()) {

csvFileOutputStream.newLine();

}

}

csvFileOutputStream.flush();

} catch (Exception e) {

e.printStackTrace();

} finally {

try {

csvFileOutputStream.close();

} catch (IOException e) {

e.printStackTrace();

}

}

return csvFile;

}

/**

* 下載文件

*

* @param response

* @param csvFilePath

*? ? ? ? ? ? 文件路徑

* @param fileName

*? ? ? ? ? ? 文件名稱

* @throws IOException

*/

public static void exportFile(HttpServletRequest request,

HttpServletResponse response, String csvFilePath, String fileName)

throws IOException {

response.setCharacterEncoding("UTF-8");

response.setContentType("application/csv;charset=GBK");

response.setHeader("Content-Disposition", "attachment; filename="

+ new String(fileName.getBytes("GB2312"), "ISO8859-1"));

InputStream in = null;

try {

in = new FileInputStream(csvFilePath);

int len = 0;

byte[] buffer = new byte[1024];

OutputStream out = response.getOutputStream();

while ((len = in.read(buffer)) 0) {

out.write(buffer, 0, len);

}

} catch (FileNotFoundException e1) {

System.out.println(e1);

} finally {

if (in != null) {

try {

in.close();

} catch (Exception e1) {

throw new RuntimeException(e1);

}

}

}

}

/**

* 刪除該目錄filePath下的所有文件

*

* @param filePath

*? ? ? ? ? ? 文件目錄路徑

*/

public static void deleteFiles(String filePath) {

File file = new File(filePath);

if (file.exists()) {

File[] files = file.listFiles();

for (int i = 0; i files.length; i++) {

if (files[i].isFile()) {

files[i].delete();

}

}

}

}

/**

* 刪除單個(gè)文件

*

* @param filePath

*? ? ? ? ? ? 文件目錄路徑

* @param fileName

*? ? ? ? ? ? 文件名稱

*/

public static void deleteFile(String filePath, String fileName) {

File file = new File(filePath);

if (file.exists()) {

File[] files = file.listFiles();

for (int i = 0; i files.length; i++) {

if (files[i].isFile()) {

if (files[i].getName().equals(fileName)) {

files[i].delete();

return;

}

}

}

}

}

@SuppressWarnings({ "unchecked", "rawtypes" })

@Test

public void createFileTest() {

List exportData = new ArrayListMap();

Map row1 = new LinkedHashMapString, String();

row1.put("1", "11");

row1.put("2", "12");

row1.put("3", "13");

row1.put("4", "14");

exportData.add(row1);

row1 = new LinkedHashMapString, String();

row1.put("1", "21");

row1.put("2", "22");

row1.put("3", "23");

row1.put("4", "24");

exportData.add(row1);

LinkedHashMap map = new LinkedHashMap();

map.put("1", "第一列");

map.put("2", "第二列");

map.put("3", "第三列");

map.put("4", "第四列");

String path = "d:/export";

String fileName = "文件導(dǎo)出";

File file = CSVUtil.createCSVFile(exportData, map, path, fileName);

String fileNameNew = file.getName();

String pathNew = file.getPath();

System.out.println("文件名稱：" + fileNameNew );

System.out.println("文件路徑：" + pathNew );

}

}

//注：BeanUtils.getProperty(row,(String) propertyEntry.getKey()) + "\t" ，只為解決數(shù)字格式超過15位后，在Excel中打開展示科學(xué)記數(shù)問題。

跪求500行JAVA代碼 能運(yùn)行就可以

public?class?test?{

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

System.out.println("666");

…System.out.println("666");復(fù)制494遍…

System.out.println("666");

}

}

正好500行

當(dāng)前名稱：關(guān)于java簡(jiǎn)單代碼500行的信息
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