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java源程序代码下载 下载的java源码怎么运行

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03/04
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设计一个JAVA程序，下载由URL指定的网页的源代码，找出其中所有的超链接。

import java.awt.BorderLayout;

import java.awt.event.ActionEvent;

import java.awt.event.ActionListener;

import java.io.BufferedReader;

import java.io.IOException;

import java.io.InputStream;

import java.io.InputStreamReader;

import java.net.HttpURLConnection;

import java.net.MalformedURLException;

import java.net.URL;

import java.util.regex.Matcher;

import java.util.regex.Pattern;

import javax.swing.JFrame;

import javax.swing.JLabel;

import javax.swing.JPanel;

import javax.swing.JScrollPane;

import javax.swing.JTextArea;

import javax.swing.JTextField;

public class HttpViewer extends JFrame {

    private JTextField urlInput;

    private JTextArea viewArea;

    public static void main(String[] args) {

        new HttpViewer();

    }

    public HttpViewer() {

        this.setTitle("Http Viewer");

        this.setSize(800, 600);

        this.setResizable(false);

        this.setDefaultCloseOperation(EXIT_ON_CLOSE);

        initPanel();

        initAction();

        this.setVisible(true);

    }

    // 这个方法用来设置窗口布局

    private void initPanel() {

        JPanel northPanel = new JPanel();

        JLabel urlInputLabel = new JLabel("URL:");

        urlInput = new JTextField(60);

        northPanel.add(urlInputLabel);

        northPanel.add(urlInput);

        this.add(northPanel, BorderLayout.NORTH);

        JPanel centerPanel = new JPanel();

        viewArea = new JTextArea(27, 60);

        centerPanel.add(new JScrollPane(viewArea));

        this.add(centerPanel);

    }

    // 这个方法用来设置事件

    private void initAction() {

        urlInput.addActionListener(new ActionListener() {

            public void actionPerformed(ActionEvent e) {

                String text = urlInput.getText();

                if (text == null || text.length() == 0) {

                    viewArea.setText("您没有输入URL");

                    return;

                }

                try {

                    URL url = new URL(text);

                    String context = getContent(url);

                    if (context != null) {

                        searchFromText(context);

                    }

                } catch (MalformedURLException e1) {

                    viewArea.setText("您输入的URL不合法:" + text);

                }

            }

        });

    }

    private String getContent(URL url) {

        StringBuffer builder = new StringBuffer();

        int responseCode = -1;

        HttpURLConnection con = null;

        try {

            con = (HttpURLConnection) url.openConnection();

            con.setRequestProperty("User-Agent",

                    "Mozilla/4.0 (compatible; MSIE 5.0; Windows NT; DigExt)");// IE代理进行下载

            con.setConnectTimeout(60000);

            con.setReadTimeout(60000);

            // 获得网页返回信息码

            responseCode = con.getResponseCode();

            if (responseCode == -1) {

                viewArea.setText("连接失败:" + url.toString());

                return null;

            }

            if (responseCode = 400) {

                viewArea.setText("请求失败，错误码:" + responseCode);

                return null;

            }

            InputStream is = con.getInputStream();

            InputStreamReader isr = new InputStreamReader(is);

            BufferedReader br = new BufferedReader(isr);

            String str = null;

            while ((str = br.readLine()) != null)

                builder.append(str);

            is.close();

        } catch (IOException e) {

            e.printStackTrace();

            viewArea.setText("IOException: " + url.toString());

        } finally {

            con.disconnect();

        }

        return builder.toString();

    }

    private void searchFromText(String context) {

        viewArea.setText("查找URL中：\n");

        Pattern pattern = Pattern.compile("a( [^]+)*(.*?)/a");

        Matcher matcher = pattern.matcher(context);

        while (matcher.find()) {

            for (String prop : matcher.group(1).split(" ")) {

                int indexOf = prop.indexOf('=');

                if (indexOf  0) {

                    if (prop.substring(0, indexOf).equals("href")) {

                        String url2 = prop.substring(indexOf + 2, prop.length() - 1);

                        viewArea.append(url2 + "\n");

                    }

                }

            }

        }

    }

}

相关问答

Q1: 哪位大虾帮我在pudn程序员开发网下几个java的源程序？？急求啊！！

汉，原来是都是钟哟，我直接贴出来吧，

一个java 一个applet

记得追加分哟，嘻嘻

//applet

import java.awt.*;

import java.applet.*;

import java.util.Date; //这是Java中的低级实用工具包，可以处理时间等内容。

public class Applet1 extends Applet implements Runnable //有线程运行接口

{

Date timenow; //Date是一个时间定义与创建函数.

Clock myClock; //用户自定义的类

Thread clockthread=null; //设置一个线程

public void start() //线程开始的类

{

if (clockthread==null) //如果线程为空，则

{

clockthread=new Thread (this); //开始新的线程

clockthread.start(); //开始

}

}

public void stop() //终止线程

{

clockthread.stop(); //终止线程，使它

clockthread=null; //为空

}

public void run() //运行线程

{

while(true) //一个死循环，条件永远都是真的。

{

repaint(); //重新绘制界面

try{Thread.sleep(1000);} //让线程沉睡1000毫秒，也就是一秒钟

catch(InterruptedException e){} //捕获异常（也就是错误）

}

}

public void paint(Graphics g)

{

timenow=new Date(); //新的时间的获得

//获得小时，分钟，秒钟

myClock=new Clock(timenow.getHours (),

timenow.getMinutes (),

timenow.getSeconds ());

g.drawString(timenow.toString(),25,240);//将它打印出来！

myClock.show(g,100,100,100); //使面板显示

}

}

class Clock //用户自定义的类开始，编译后，它单独成为一个CLASS文件

{

Clock(int hrs,int min,int sec) //类函数入口

{

hour=hrs%12; //将原始数据处理，得到小时

minute=min; //将原始数据处理，得到分钟

second=sec; //将原始数据处理，得到小时

}

void show(Graphics g,int cx,int cy,int rad) //重新定义SHOW函数

{

int hrs_len=(int)(rad*0.5), //时针的长度

min_len=(int)(rad*0.6), //分钟的长度

sec_len=(int)(rad*0.9); //秒钟的长度

double theta;

//画出钟面

g.drawOval(cx-rad,cy-rad,rad*2,rad*2);

//画出时针

theta=(double)(hour*60*60+minute*60+second)/43200.0*2.0*Math.PI ;

drawNiddle(g,Color.blue,cx,cy,hrs_len,theta);

//画出分针

theta=(double)(minute*60+second)/3600.0*2.0*Math.PI ;

drawNiddle(g,Color.red,cx,cy,sec_len,theta);

//画出秒针

theta=(double)(second)/60.0*2.0*Math.PI ;

drawNiddle(g,Color.green ,cx,cy,sec_len,theta);

}

private void drawNiddle(Graphics g,Color c,int x,int y,int len,double theta)

{

int ex=(int)(x+len*Math.sin(theta));

int ey=(int)(y-len*Math.cos(theta));

g.setColor (c);

g.drawLine(x,y,ex,ey);

}

int hour,minute,second;

}

//java

import java.awt.*;

import javax.swing.*;

import java.util.*;

import java.text.*;

public class Clock extends JPanel implements Runnable{

private JLabel jl;

private DateFormat df;

public Clock(){

jl=new JLabel();

jl.setHorizontalAlignment(JLabel.CENTER);

df=DateFormat.getDateTimeInstance();

new Thread(this).start();

this.setLayout(new BorderLayout());

this.add(jl,BorderLayout.SOUTH);

}

public void run(){

while(true){

try{

Thread.sleep(1000);

}

catch(InterruptedException ie){

ie.printStackTrace();

}

jl.setText(df.format(new Date()));

repaint();

}

}

public void paintComponent(Graphics g){

super.paintComponent(g);

Calendar cal=Calendar.getInstance();

//�õ���ǰ��ʱ����Ϣ

int hour=cal.get(Calendar.HOUR);

int minute=cal.get(Calendar.MINUTE);

int second=cal.get(Calendar.SECOND);

//�õ���ǰ�����Ĵ�С��Ϣ

int width=this.getWidth();

int height=this.getHeight();

//�ӵ��Ǹ�Բ��ȡ}��֮��С���Ǹ�

int small=widthheight?width:height;

int diameter=(int)(small*0.8);

int radius=diameter/2;

//ȷ�����ĵ�

Point center=new Point(width/2,height/2);

//ȷ��ʱ�룬���ӣ�����ij���

int secondLength=(int)(radius*0.8);

int minuteLength=(int)(secondLength*0.8);

int hourLength=(int)(minuteLength*0.8);

//ȷ��ʱ�룬���룬�������һ�����

int secondX=center.x+(int)(secondLength*Math.sin(second*2*Math.PI/60.0));

int secondY=center.y-(int)(secondLength*Math.cos(second*2*Math.PI/60.0));

int minuteX=center.x+(int)(minuteLength*Math.sin(minute*2*Math.PI/60.0));

int minuteY=center.y-(int)(minuteLength*Math.cos(minute*2*Math.PI/60.0));

int hourX=center.x+(int)(hourLength*Math.sin((minute/60.0+hour)*Math.PI/6.0));

int hourY=center.y-(int)(hourLength*Math.cos((minute/60.0+hour)*Math.PI/6.0));

Graphics2D g2d=(Graphics2D)g;

//�����̺Ϳ̶�

g.drawOval(center.x-radius,center.y-radius,diameter,diameter);

for(int i=0;i60;i++){

int x2=center.x+(int)(radius*Math.sin(i*2*Math.PI/60.0));

int y2=center.y-(int)(radius*Math.cos(i*2*Math.PI/60.0));

if(i%5==0){

int x1=center.x+(int)((secondLength+1)*Math.sin(i*2*Math.PI/60.0));

int y1=center.y-(int)((secondLength+1)*Math.cos(i*2*Math.PI/60));

g.drawString(i==0?"12":String.valueOf(i/5),x1,y1); // attention here

g2d.setStroke(new BasicStroke(2.5f));

g2d.drawLine(x1,y1,x2,y2);

}

else{

int x1=center.x+(int)((secondLength+10)*Math.sin(i*2*Math.PI/60.0));

int y1=center.y-(int)((secondLength+10)*Math.cos(i*2*Math.PI/60));

g2d.setStroke(new BasicStroke(0.8f));

g2d.drawLine(x1,y1,x2,y2);

}

}

//��ʱ�룬���룬����

g2d.setColor(Color.RED);

g2d.setStroke(new BasicStroke(3.0f));

g2d.drawLine(center.x,center.y,hourX,hourY);

g2d.setColor(Color.BLUE);

g2d.setStroke(new BasicStroke(1.5f));

g2d.drawLine(center.x,center.y,minuteX,minuteY);

g2d.setColor(Color.MAGENTA);

g2d.setStroke(new BasicStroke(1.0f));

g2d.drawLine(center.x,center.y,secondX,secondY);

}

public static void main(String args[]){

JFrame jf=new JFrame("ʱ��");

jf.getContentPane().add(new Clock(),BorderLayout.CENTER);

jf.setBounds(300,300,300,300);

jf.setVisible(true);

jf.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);

}

}

Q2: 下载JAVA源代码

呵呵,,怎么都不去 javajava源程序代码下载的官方网站啊,对那里不屑一顾么?

自己去看吧,好着呢

Q3: 高分求java纸牌游戏源代码

Araneid 蜘蛛纸牌游戏

详细参考工程主页java源程序代码下载：

源代码下载(或附件)java源程序代码下载：

二进制下载：

运行时请先解压缩java源程序代码下载，然后执行 classes 目录下java源程序代码下载的 start.bat

Q4: 求一个java扫雷游戏的程序源代码，尽量多点注释，要确实可用的！急急急急急急急急急急急急！！！！！

import java.awt.BorderLayout;

import java.awt.Container;

import java.awt.Font;

import java.awt.GridLayout;

import java.awt.Insets;

import java.awt.event.ActionEvent;

import java.awt.event.ActionListener;

import java.awt.event.MouseAdapter;

import java.awt.event.MouseEvent;

import javax.swing.JButton;

import javax.swing.JFrame;

import javax.swing.JLabel;

import javax.swing.JMenu;

import javax.swing.JMenuBar;

import javax.swing.JMenuItem;

import javax.swing.JPanel;

import javax.swing.Timer;

public class ScanLei1 extends JFrame implements ActionListener{

private static final long serialVersionUID = 1L;

private Container contentPane;

private JButton btn;

private JButton[] btns;

private JLabel b1;

private JLabel b2;

private JLabel b3;

private Timer timer;

private int row=9;

private int col=9;

private int bon=10;

private int[][] a;

private int b;

private int[] a1;

private JPanel p,p1,p2,p3;

public ScanLei1(String title){

super(title);

contentPane=getContentPane();

setSize(297,377);

this.setBounds(400, 100, 400, 500);

setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);

timer =new Timer(1000,(ActionListener) this);

a = new int[row+2][col+2];

initGUI();

}

public void initGUI(){

p3=new JPanel();

b=bon;

JMenuBar menuBar=new JMenuBar();

JMenu menu1=new JMenu("游戏");

JMenu menu2=new JMenu("帮助");

JMenuItem mi1=new JMenuItem("初级");

JMenuItem mi2 = new JMenuItem("中级");

JMenuItem mi3 =new JMenuItem("高级");

mi1.addActionListener(this);

menu1.add(mi1);

mi2.addActionListener(this);

menu1.add(mi2);

mi3.addActionListener(this);

menu1.add(mi3);

menuBar.add(menu1);

menuBar.add(menu2);

p3.add(menuBar);

b1=new JLabel(bon+"");

a1=new int[bon];

btn =new JButton("开始");

btn.addActionListener(this);

b2=new JLabel("0");

b3=new JLabel("");

btns=new JButton[row*col];

p=new JPanel();

p.setLayout(new BorderLayout());

contentPane.add(p);

p.add(p3,BorderLayout.NORTH);

//combo=new JComboBox(new Object[]{"初级","中级","高级"} );

//加监听

/*combo.addItemListener(new ItemListener(){

}});*/

p1=new JPanel();

//在那个位置

//(( FlowLayout)p1.getLayout()).setAlignment( FlowLayout.RIGHT);

p1.add(b1);

p1.add(btn);

p1.add(b2);

p1.add(b3);

p.add(p3,BorderLayout.NORTH);

p.add(p1,BorderLayout.CENTER);

p2=new JPanel();

p2.setLayout(new GridLayout(row,col,0,0));

for(int i=0;irow*col;i++){

btns[i]=new JButton("");

btns[i].setMargin(new Insets(0,0,0,0));

btns[i].setFont(new Font(null,Font.BOLD,25));

btns[i].addActionListener(this);

btns[i].addMouseListener(new NormoreMouseEvent());

p2.add(btns[i]);

}

contentPane.add(p,BorderLayout.NORTH);

contentPane.add(p2,BorderLayout.CENTER);

}

public void go(){

setVisible(true);

}

public static void main(String[] args){

new ScanLei1("扫雷").go();

}

public void out(int[][] a,JButton[] btns,ActionEvent e,int i,int x,int y){

int p=1;

if(a[x][y]==0){

a[x][y]=10;

btns[i].setEnabled(false); //33

for(int l=y-1;l=y+1;l++){

int m=x-1-1;

int n=l-1;

p=1;

System.out.println(a[1][2]);

if(n-1ncolm-1mrow)

{

for(int q=0;qrowp==1;q++){//col--row;

if(((n+col*q)=(m*col))((n+col*q)(m+1)*col)){

if(a[x-1][l]!=0a[x-1][l]!=10){

btns[n+col*q].setText(a[x-1][l]+"");

a[x-1][l]=10;

btns[n+col*q].setEnabled(false);

}

else if(a[x-1][l]==0){

//a[x-1][l]=10;

btns[n+col*q].setEnabled(false);

out(a,btns,e,n+col*q,x-1,l); ////55////

a[x-1][l]=10;

btns[n+col*q].setEnabled(false);

}

p=0;

}

}

}

p=1;

m=x;

if(n-1ncolm-1mcol)

{

for(int q=0;qrowp==1;q++){

if(((n+col*q)=(m*col))((n+col*q)(m+1)*col)){

if(a[x+1][l]!=0a[x+1][l]!=10){

btns[n+col*q].setText(a[x+1][l]+"");

a[x+1][l]=10;

btns[n+col*q].setEnabled(false);

}

else if(a[x+1][l]==0){

out(a,btns,e,n+col*q,x+1,l);///55////

a[x+1][l]=10;

btns[n+col*q].setEnabled(false);

}

p=0;

}

}

}

}

int m=x-1;

int n=y-1-1;

p=1;

if(n-1ncolm-1mcol)

{

for(int q=0;qrowp==1;q++){

if(((n+col*q)=(m*col))((n+col*q)(m+1)*col)){

if(a[x][y-1]!=0a[x][y-1]!=10){

btns[n+col*q].setText(a[x][y-1]+"");

a[x][y-1]=10;

btns[n+col*q].setEnabled(false);

}

else if(a[x][y-1]==0){

out(a,btns,e,n+col*q,x,y-1);

a[x][y-1]=10;

btns[n+col*q].setEnabled(false);

}

p=0;

}

}

}

p=1;

m=x-1;

n=y+1-1;

if(n-1ncolm-1mcol)

{

for(int q=0;qrowp==1;q++){

if(((n+col*q)=(m*col))((n+col*q)(m+1)*col)){

if(a[x][y+1]!=0a[x][y+1]!=10){

btns[n+col*q].setText(a[x][y+1]+"");

a[x][y+1]=10;

btns[n+col*q].setEnabled(false);

}

else if(a[x][y+1]==0){

out(a,btns,e,n+col*q,x,y+1);

a[x][y+1]=10;

btns[n+col*q].setEnabled(false);

}

p=0;

}

}

}

}

}

public void actionPerformed(ActionEvent e) {

if(e.getActionCommand()=="初级"){

row=9;

col=9;

bon=10;

a1=new int[bon];

b=bon;

//setSize(297,377);

a = new int[row+2][col+2];

this.remove(p2);

timer.stop();

b1.setText("10");

b2.setText("0");

b3.setText("");

btns=new JButton[row*col];

p2=new JPanel();

p2.setLayout(new GridLayout(row,col,0,0));

for(int i=0;irow*col;i++){

btns[i]=new JButton(" ");

btns[i].setMargin(new Insets(0,0,0,0));

btns[i].setFont(new Font(null,Font.BOLD,25));

btns[i].addActionListener(this);

btns[i].addMouseListener(new NormoreMouseEvent());

p2.add(btns[i]);

}

contentPane.add(p2,BorderLayout.CENTER);

//setSize(297,377);

this.pack();

for(int i=0;irow*col;i++){

btns[i].setText(" ");

btns[i].setEnabled(true);

}

for(int i=0;irow+2;i++){

for(int j=0;jcol+2;j++){

a[i][j]=0;

}

}

}else if(e.getActionCommand()=="中级"){

row=16;

col=16;

bon=40;

//setSize(33*col,33*row+80);

a1=new int[bon];

a = new int[row+2][col+2];

b=bon;

this.remove(p2);

timer.stop();

b1.setText("40");

b2.setText("0");

b3.setText("");

btns=new JButton[row*col];

p2=new JPanel();

p2.setLayout(new GridLayout(row,col,0,0));

for(int i=0;irow*col;i++){

btns[i]=new JButton(" ");

btns[i].setMargin(new Insets(0,0,0,0));

btns[i].setFont(new Font(null,Font.BOLD,25));

btns[i].addActionListener(this);

btns[i].addMouseListener(new NormoreMouseEvent());

p2.add(btns[i]);

}

contentPane.add(p2,BorderLayout.CENTER);

this.pack();

//setSize(33*col,33*row+80);

for(int i=0;irow*col;i++){

btns[i].setText("");

btns[i].setEnabled(true);

}

for(int i=0;irow+2;i++){

for(int j=0;jcol+2;j++){

a[i][j]=0;

}

}

}else if(e.getActionCommand()=="高级"){

row=16;

col=32;

bon=99;

setSize(33*col,33*row+80);

a1=new int[bon];

a = new int[row+2][col+2];

b=bon;

this.remove(p2);

timer.stop();

b1.setText("99");

b2.setText("0");

b3.setText("");

btns=new JButton[row*col];

p2=new JPanel();

p2.setLayout(new GridLayout(row,col,0,0));

for(int i=0;irow*col;i++){

btns[i]=new JButton(" ");

btns[i].setMargin(new Insets(0,0,0,0));

btns[i].setFont(new Font(null,Font.BOLD,25));

btns[i].addActionListener(this);

btns[i].addMouseListener(new NormoreMouseEvent());

p2.add(btns[i]);

}

contentPane.add(p2,BorderLayout.CENTER);

//setSize(33*col,33*row+80);

this.pack();

for(int i=0;irow*col;i++){

btns[i].setText("");

btns[i].setEnabled(true);

}

for(int i=0;irow+2;i++){

for(int j=0;jcol+2;j++){

a[i][j]=0;

}

}

}

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

timer.start();

b=bon;

b3.setText("");

//System.out.println(bon);

//清空

for(int i=0;irow*col;i++){

btns[i].setText("");

btns[i].setEnabled(true);

}

for(int i=0;irow+2;i++){

for(int j=0;jcol+2;j++){

a[i][j]=0;

}

}

//产生随机数

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

{ int p=1;

int m=(int)(Math.random()*row*col);

while(p==1){

int l=1;

int j;

for( j=0;jil==1;j++){

if(a1[j]==m){

m=(int)(Math.random()*row*col);

l=0;

}

}

if(j==i){

a1[i]=m;

p=0;

}

}

}

b1.setText(bon+"");

b2.setText("0");

//布雷

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

int x=(a1[i]/col+1);

int y=(a1[i]%col+1);

a[x][y]=100;

}

for(int i=0;irow+2;i++){

for(int j=0;jcol+2;j++){

if(i==0||j==0||i==row+1||j==col+1){

a[i][j]=0;

}

}

}

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

for(int j=1;j=col;j++){

if(a[i][j]!=100){

for(int l=j-1;l=j+1;l++){

if(a[i-1][l]==100){

a[i][j]++;

}

if(a[i+1][l]==100){

a[i][j]++;

}

}

if(a[i][j-1]==100){

a[i][j]++;

}

if(a[i][j+1]==100){

a[i][j]++;

}

}

}

}

}

if(e.getSource()==timer)

{

String time=b2.getText().trim();

int t=Integer.parseInt(time);

//System.out.println(t);

if(t=600){

timer.stop();

}else{

t++;

b2.setText(t+"");

}

}

for(int i=0;icol*row;i++){

if(btns[i].getText()!="★")

{

int x=i/col+1;

int y=i%col+1;

if(e.getSource()==btns[i]a[x][y]==100){

btns[i].setText("★");

btns[i].setEnabled(false);

a[x][y]=10;

for(int k=0;kcol*row;k++){

int m1=k/col+1;

int n1=k%col+1;

if(a[m1][n1]!=10btns[k].getText()=="★"){

btns[k].setText("*o*");

}

}

for(int j=0;jcol*row;j++){

int m=j/col+1;

int n=j%col+1;

if(a[m][n]==100){

btns[j].setText("★");

btns[j].setEnabled(false);

b3.setText("你输了 ！！");

}

btns[j].setEnabled(false);

a[m][n]=10;

}

timer.stop();

}

else if(e.getSource()==btns[i]){

if(a[x][y]==0){

out(a,btns,e,i,x,y);

a[x][y]=10;

btns[i].setEnabled(false);

}

if(a[x][y]!=0a[x][y]!=10){

btns[i].setText(a[x][y]+"");

btns[i].setEnabled(false);

a[x][y]=10;

}

}

}else if(btns[i].getText()=="★"){

}

}

}

class NormoreMouseEvent extends MouseAdapter{

public void mouseClicked(MouseEvent e) {

System.out.println(b);

for(int i=0;icol*row;i++){

int x1=i/col+1;

int y1=i%col+1;

if(e.getSource()==btns[i]btns[i].getText()!="★"a[x1][y1]!=10)

{

if(e.getButton()==MouseEvent.BUTTON3){

btns[i].setText("★");

b--;

if(b==0){

int flag=0;

for(int j=0;jcol*row;j++){

int x=j/col+1;

int y=j%col+1;

if(a[x][y]==100btns[j].getText()=="★"){

flag++;

}

}

if(flag==bon){

timer.stop();

b3.setText("你赢了！");

}

}

b1.setText(b+"");

}

}else if(e.getSource()==btns[i]btns[i].getText()=="★"a[x1][y1]!=-1){

if(e.getButton()==MouseEvent.BUTTON3){

btns[i].setText("");

b++;

if(bbon){

b1.setText(bon+"");

}

else{

b1.setText(b+"");

}

btns[i].setEnabled(true);

}

}

}

}

}

}

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