このページのコンテンツ一覧（５個位までにしてください。上が最新で下が最古です）
宿題スレPart54 >>860 への回答 行列の累乗 †
以前作った
http://www.wikiroom.com/java/index.php?SourcePost_#kf3e8c5e
に気持ち悪いところがあったので修正を加えて、さらに累乗の機能を追加しました。
// PowerMatrixDemo.java
public class PowerMatrixDemo {
public static void main(String[] args) {
double[][] matrix = {
{0.6, 4.0},
{0.7, 0.3},
};
double[][] answer = MultiplyMatrix.power( matrix, 2 );
MultiplyMatrix.printMatrix( answer );
}
}
// MultiplyMatrix.java
public class MultiplyMatrix {
/**
* 行列の出力
* @param matrix 行列
*/
public static void printMatrix( double[][] matrix ) {
// 出力
int ROWS = matrix.length;
int COLS = matrix[0].length;
for( int i=0; i<ROWS; i++ ) {
System.out.print("[ ");
for( int j=0; j<COLS; j++ ) {
System.out.printf( "%8.3f\t", matrix[i][j] );
}
System.out.println("]");
}
}
/**
* 行列のかけ算
* @param matrix1 かけられる行列
* @param matrix2 かける行列
* @param 答えの行列
*/
public static double[][] multiply( double[][] matrix1, double[][] matrix2 ) {
// 答えの行列の確保
int ROWS = matrix1.length;
int COLS = matrix2[0].length;
double[][] answer = new double[ROWS][COLS];
// 計算
for( int i=0; i<ROWS; i++ ) {
for( int j=0; j<COLS; j++ ) {
double sum = 0;
for( int k=0; k<matrix1[0].length; k++ ) {
sum += matrix1[i][k] * matrix2[k][j];
}
answer[i][j] = sum;
}
}
return answer;
}
/**
* 行列の累乗
* @param matrix 累乗する行列
* @param powerOf 累乗回数
* @return 答えの行列
*/
public static double[][] power( double[][] matrix, int powerOf ) {
// 行列の累乗のときは与えられる行列は必ず正方行列。
if( matrix.length != matrix[0].length ) throw new IllegalArgumentException( "正方行列ではないので累乗計算はできません。" );
double[][] answer = matrix;
for( int i=2; i<=powerOf; i++ ) {
answer = multiply( answer, matrix );
}
return answer;
}
}
宿題スレPart54 >>765 課題2 への回答 石取りゲーム †
こーゆーの英語でなんて言うのかわからんので、クラス名は適当です。
// Demo.java
import java.io.BufferedReader;
import java.io.IOException;
import java.io.InputStreamReader;
public class Demo {
private int number;
public static void main(String[] args) {
Demo self = new Demo();
self.start();
self.process();
}
private void start() {
System.out.println( "COM:「ゲームを始めます。」" );
// 石の数は10〜19の範囲にした。
number = 10 + (int)(Math.random() * 9);
System.out.println( "COM:「石は全部で" + number + "個あります。」" );
switch( number%3 ) {
case 0: {
System.out.println( "COM:「お先にどうぞ。」" );
break;
}
case 1: {
System.out.println( "COM:「でわ私から。1個とります。」" );
number -= 1;
System.out.println( "COM:「石は今" + number + "個あります。」" );
break;
}
case 2: {
System.out.println( "COM:「でわ私から。2個とります。」" );
number -= 2;
System.out.println( "COM:「石は今" + number + "個あります。」" );
break;
}
default: {
throw new IllegalArgumentException();
}
}
}
private void process() {
while( number > 0 ) {
int input = inputKey();
number -= input;
// ありえない。
if( number == 0 ) {
winPlayer();
break;
}
System.out.println( "COM:「石は" + number + "個になりました。」" );
System.out.println( "COM:「私は" + (3-input) + "個取ります。」" );
number -= (3-input);
if( number == 0 ) {
winComputer();
break;
}
System.out.println( "COM:「石は" + number + "個になりました。」" );
}
}
private int inputKey() {
System.out.println( "COM:「何個とりますか？」" );
System.out.print( "> " );
BufferedReader br = new BufferedReader( new InputStreamReader(System.in) );
int input = 0;
while( input != 1 && input != 2 ) {
try {
input = Integer.parseInt( br.readLine() );
if( input != 1 && input != 2 ) {
throw new NumberFormatException();
}
} catch( IOException ioe ) {
ioe.printStackTrace();
} catch( NumberFormatException nfe ) {
System.out.println( "COM:「1か2の数字を入れてください。」" );
System.out.print( "> " );
}
}
return input;
}
private void winPlayer() { System.out.println( "\nCOM:「あなたの勝ちです。おめでとう!!」" ); }
private void winComputer() { System.out.println( "\nCOM:「私の勝ちです。残念!!」" ); }
}
宿題スレPart54 >>765 課題1 への回答 身長管理 †
// HeightDemo.java
import java.io.BufferedReader;
import java.io.IOException;
import java.io.InputStreamReader;
import java.util.HashMap;
import java.util.StringTokenizer;
public class HeightDemo {
private HashMap heightMap;
private static final String KEY_UNDER_150 = " - 149";
private static final String KEY_FROM_150_TO_159 = "150 - 159";
private static final String KEY_FROM_160_TO_169 = "160 - 169";
private static final String KEY_FROM_170_TO_179 = "170 - 179";
private static final String KEY_OVER_180 = "180 - ";
public HeightDemo() {
this.heightMap = new HashMap();
}
public static void main(String[] args) {
HeightDemo self = new HeightDemo();
self.input();
self.output();
}
private void input() {
BufferedReader br = new BufferedReader( new InputStreamReader(System.in) );
try {
for( String line; (line=br.readLine()) != null; ) {
StringTokenizer tokenizer = new StringTokenizer( line, " " );
int number = Integer.parseInt( tokenizer.nextToken() );
if( number == 0 ) return;
int height = Integer.parseInt( tokenizer.nextToken() );
put( height );
}
} catch( IOException ioe ) {
ioe.printStackTrace();
}
}
private void output() {
System.out.println( KEY_UNDER_150 + " " + get(KEY_UNDER_150) );
System.out.println( KEY_FROM_150_TO_159 + " " + get(KEY_FROM_150_TO_159) );
System.out.println( KEY_FROM_160_TO_169 + " " + get(KEY_FROM_160_TO_169) );
System.out.println( KEY_FROM_170_TO_179 + " " + get(KEY_FROM_170_TO_179) );
System.out.println( KEY_OVER_180 + " " + get(KEY_OVER_180) );
}
private void put( int height ) {
String key;
if( height < 150 ) {
key = KEY_UNDER_150;
} else if( height < 160 ) {
key = KEY_FROM_150_TO_159;
} else if( height < 170 ) {
key = KEY_FROM_160_TO_169;
} else if( height < 180 ) {
key = KEY_FROM_170_TO_179;
} else {
key = KEY_OVER_180;
}
Integer valueInteger = (Integer)heightMap.get( key );
int value;
if( valueInteger == null ) value = 0;
else value = valueInteger.intValue();
heightMap.put( key, new Integer(++value) );
}
private int get( String key ) {
Integer valueInteger = (Integer)heightMap.get( key );
if( valueInteger == null ) return 0;
else return valueInteger.intValue();
}
}
宿題スレPart54 >>622 への回答 証券取引 †
// TradeDemo.java
import java.io.BufferedReader;
import java.io.BufferedWriter;
import java.io.File;
import java.io.FileNotFoundException;
import java.io.FileReader;
import java.io.FileWriter;
import java.io.IOException;
import java.io.InputStreamReader;
import java.text.SimpleDateFormat;
import java.util.ArrayList;
import java.util.Date;
import java.util.StringTokenizer;
public class TradeDemo {
private ArrayList<Customer> customerList = new ArrayList<Customer>();
private Customer customer;
private boolean isOldCustomer;
private SimpleDateFormat formatter = new SimpleDateFormat( "[yyyy/MM/dd HH:mm:ss:SSS]" );
public static final File CUSTOMER_DB_FILE = new File( "CUSTOMER_DB" );
public static final File TRADE_LOG_FILE = new File( "TRADE_LOG" );
public static void main(String[] args) {
TradeDemo self = new TradeDemo();
self.readDB();
self.getUserInfo();
self.trade();
}
private void readDB() {
BufferedReader br3 = null;
try {
br3 = new BufferedReader( new FileReader(TradeDemo.CUSTOMER_DB_FILE) );
} catch( FileNotFoundException fnfe ) {
try {
if( TradeDemo.CUSTOMER_DB_FILE.createNewFile() ) {
System.out.println( "DBファイルがなかったので作成しました。" );
br3 = new BufferedReader( new FileReader(TradeDemo.CUSTOMER_DB_FILE) );
} else {
System.out.println( "DBファイルがなかったので作成しようとしましたが失敗しました。" );
System.exit(1);
}
} catch( IOException ioe ) {
ioe.printStackTrace();
System.exit(1);
}
}
try {
for( String line; (line=br3.readLine()) != null; ) {
StringTokenizer tokenizer = new StringTokenizer(line, ",");
String dbUserID = tokenizer.nextToken();
String dbPassword = tokenizer.nextToken();
long dbMoney = Long.parseLong( tokenizer.nextToken() );
customerList.add( new Customer( dbUserID, dbPassword, dbMoney ) );
}
} catch( IOException ioe ) {
ioe.printStackTrace();
} finally {
try {
if( br3 != null ) br3.close();
} catch( IOException ioe ) {}
}
}
private void getUserInfo() {
try {
label: while( true ) {
System.out.println( "ユーザーIDとパスワードを入力してください。" );
BufferedReader br1 = new BufferedReader( new InputStreamReader(System.in) );
String userID = "";
while( userID.length() <= 0 ) {
System.out.print( "ユーザーID > " );
userID = br1.readLine();
}
BufferedReader br2 = new BufferedReader( new InputStreamReader(System.in) );
String password = "";
while( password.length() <= 0 ) {
System.out.print( "パスワード > " );
password = br2.readLine();
}
for( Customer customer : customerList ) {
if( userID.equals(customer.getUserID()) && !password.equals(customer.getPassword()) ) {
System.out.println( "パスワードが不正、またはすでに使用されているユーザーIDです。" );
continue label;
} else if( userID.equals(customer.getUserID()) && password.equals(customer.getPassword()) ) {
this.customer = new Customer( userID, password, customer.getMoney() );
isOldCustomer = true;
break label;
}
}
if( !this.isOldCustomer ) {
System.out.println( userID + "さんは新規顧客です。" );
this.customer = new Customer( userID, password );
}
break label;
}
} catch( IOException ioe ) {
ioe.printStackTrace();
}
}
private void trade() {
try {
System.out.println( "\n" + "取り引きを始めます。" );
writeLog( "[USERID:" + this.customer.getUserID() + "] [取り引き開始] 余力 > " + this.customer.getMoney() + "円" );
label: do {
try {
System.out.println( "余力 > " + this.customer.getMoney() + "円" );
BufferedReader br4 = new BufferedReader( new InputStreamReader(System.in) );
char command = '\u0000';
while( true ) {
System.out.println( "s:売り、b:買い、e:終了のいずれかのコマンドを入力してください。" );
try {
command = br4.readLine().charAt(0);
break;
} catch( StringIndexOutOfBoundsException sioobe ) {}
}
switch( command ) {
case 's': {
System.out.print( "いくら売りますか > " );
BufferedReader br5 = new BufferedReader( new InputStreamReader(System.in) );
long sell = Long.parseLong( br5.readLine() );
this.customer.addMoney(sell);
writeLog( "[USERID:" + this.customer.getUserID() + "] [売り] 売額 > " + sell + "円," +
" 余力 > " + this.customer.getMoney() + "円" );
System.out.println( sell + "円売りました。" );
break;
}
case 'b': {
System.out.print( "いくら買いますか > " );
BufferedReader br6 = new BufferedReader( new InputStreamReader(System.in) );
long buy = Long.parseLong( br6.readLine() );
this.customer.minusMoney(buy);
writeLog( "[USERID:" + this.customer.getUserID() + "] [買い] 買額 > " + buy + "円," +
" 余力 > " + this.customer.getMoney() + "円" );
System.out.println( buy + "円買いました。" );
break;
}
case 'e': {
writeDB();
break label;
}
default: {
System.out.println( "不正なコマンドです。" );
break;
}
}
} catch( NumberFormatException nfe ) {
System.out.println( nfe );
}
} while(true);
} catch( IOException ioe ) {
ioe.printStackTrace();
}
}
private void writeDB() {
BufferedWriter bw = null;
FileWriter fw = null;
try {
fw = new FileWriter( TradeDemo.CUSTOMER_DB_FILE );
bw = new BufferedWriter( fw );
bw.append( this.customer.getUserID() + "," + this.customer.getPassword() + "," + this.customer.getMoney() + "\n" );
bw.flush();
for( Customer customer : customerList ) {
if( this.customer.getUserID().equals(customer.getUserID()) && this.customer.getPassword().equals(customer.getPassword()) ) {
continue;
}
bw.append( customer.getUserID() + "," + customer.getPassword() + "," + customer.getMoney() + "\n" );
bw.flush();
}
System.out.println( "終了します..." );
} catch( IOException ioe ) {
ioe.printStackTrace();
} finally {
try {
if( bw != null ) bw.close();
if( fw != null ) fw.close();
} catch( IOException ioe ){
ioe.printStackTrace();
}
}
}
private void writeLog( String message ) {
BufferedWriter bw = null;
FileWriter fw = null;
try {
fw = new FileWriter( TradeDemo.TRADE_LOG_FILE, true );
bw = new BufferedWriter( fw );
bw.append( formatter.format( new Date() ) + " " + message + "\n" );
bw.flush();
} catch( IOException ioe ) {
ioe.printStackTrace();
} finally {
try {
if( bw != null ) bw.close();
if( fw != null ) fw.close();
} catch( IOException ioe ) {
ioe.printStackTrace();
}
}
}
}
// Customer.java
public final class Customer {
private String userID;
private String password;
private long money;
public Customer( String userID, String password, long money ) {
this.userID = userID;
this.password = password;
this.money = money;
}
public Customer( String userID, String password ) {
this( userID, password, 1000000 );
}
public long getMoney() {
return money;
}
public void addMoney(long money) {
if( money <= 0 ) throw new NumberFormatException( "入力値が不正です。" );
else this.money += money;
}
public void minusMoney(long money) throws NumberFormatException {
if( money <= 0 ) throw new NumberFormatException( "入力値が不正です。" );
else if( this.money < money ) throw new NumberFormatException( "余力がありません。" );
else this.money -= money;
}
public String getPassword() {
return password;
}
public String getUserID() {
return userID;
}
}
宿題スレPart53 >>903 への回答 ドラクエ的ポーカー †
完成度は低いです。ヤル気なくなった感あり。
// DQPoker.java
import javax.swing.WindowConstants;
public class DQPoker {
public static void main(String[] args) {
Player player = new Player("ギコ", 100);
DQPokerFrame frame = new DQPokerFrame(player);
frame.setTitle("DQ Poker");
frame.setSize(Constants.WINDOW_WIDTH, Constants.WINDOW_HEIGHT);
frame.setResizable(false);
frame.setVisible(true);
frame.setDefaultCloseOperation(WindowConstants.EXIT_ON_CLOSE);
}
}
// DQPokerFrame.java
import java.awt.BorderLayout;
import java.awt.Color;
import java.awt.Font;
import java.awt.GridLayout;
import java.awt.event.ActionEvent;
import java.awt.event.ActionListener;
import java.awt.event.MouseEvent;
import java.awt.event.MouseListener;
import java.io.File;
import java.io.IOException;
import java.text.DecimalFormat;
import java.text.NumberFormat;
import java.util.Collections;
import java.util.Vector;
import javax.imageio.ImageIO;
import javax.imageio.stream.FileImageInputStream;
import javax.swing.JButton;
import javax.swing.JFormattedTextField;
import javax.swing.JFrame;
import javax.swing.JLabel;
import javax.swing.JOptionPane;
import javax.swing.JPanel;
import javax.swing.JSpinner;
import javax.swing.JTextArea;
import javax.swing.SpinnerNumberModel;
import javax.swing.event.ChangeEvent;
import javax.swing.event.ChangeListener;
public class DQPokerFrame extends JFrame implements ActionListener, MouseListener, ChangeListener {
Player player;
JPanel panel = new JPanel( new BorderLayout() );
JPanel northPanel = new JPanel();
JLabel playerMoney = new JLabel();
JSpinner spinner;
JFormattedTextField tf;
JTextArea order = new JTextArea();
JButton startButton = new JButton("スタート");
JPanel centerPanel = new JPanel( new GridLayout( 1, 5 ) );
JPanel southPanel = new JPanel( new GridLayout(3, 1) );
JLabel message1 = new JLabel();
JLabel message2 = new JLabel();
JButton changeButton = new JButton( "交換" );
JButton exitButton = new JButton( "終了" );
Vector<Integer> cardTower;
CardPanel[] cardPanels = new CardPanel[5];
Card[] cards;
Vector<Integer> changeList;
public DQPokerFrame( Player player ) {
this.player = player;
SpinnerNumberModel model = new SpinnerNumberModel(10, 1, player.getMoney(), 1);
spinner = new JSpinner(model);
tf = ((JSpinner.NumberEditor)spinner.getEditor()).getTextField();
tf.setEditable(true);
setOrder( (Integer)spinner.getValue() );
spinner.addChangeListener(this);
northPanel.add( spinner );
playerMoney.setText( "" + (player.getMoney()-Integer.parseInt(tf.getText())) );
northPanel.add( playerMoney );
northPanel.add( startButton );
order.setEditable(false);
northPanel.add( order );
startButton.addActionListener(this);
message1.setFont( new Font("Dialog", Font.BOLD, 14) );
message2.setFont( new Font("Dialog", Font.PLAIN, 12) );
southPanel.add( message1 );
southPanel.add( message2 );
changeButton.addActionListener( this );
changeButton.setEnabled( false );
JPanel p1 = new JPanel(), p2 = new JPanel(), p3 = new JPanel();
p1.add(message1);
p2.add(message2);
p3.add(changeButton);
exitButton.addActionListener(this);
p3.add(exitButton);
southPanel.add( p1 );
southPanel.add( p2 );
southPanel.add( p3 );
panel.add( northPanel, BorderLayout.NORTH );
panel.add( centerPanel, BorderLayout.CENTER );
panel.add( southPanel, BorderLayout.SOUTH );
getContentPane().add( panel );
reset();
}
private void reset() {
changeList = new Vector<Integer>();
cardTower = new Vector<Integer>();
centerPanel.removeAll();
}
/**
* カードを配る
*
*/
private void dealCards() {
try {
for( int i=0; i<52; i++ ) cardTower.add( i );
Collections.shuffle( cardTower );
cards = new Card[5];
for( int i=0 ;i<5; i++ ) {
int position = cardTower.remove(0);
char mark = getMarkChar(position);
String number = getNumber(position);
String fileName = mark + number + ".bmp";
cards[i] = new Card(fileName);
cardPanels[i] = new CardPanel();
cardPanels[i].addMouseListener(this);
cardPanels[i].setImage( ImageIO.read( new FileImageInputStream(new File(Constants.IMAGE_DIRECTORY + fileName)) ) );
centerPanel.add( cardPanels[i] );
}
message1.setText( DQPokerRule.getHand( cards ).getHandName() );
message1.setForeground( Color.CYAN );
message2.setText( "交換するカードを選んで交換ボタンを押してください。" );
changeButton.setEnabled( true );
centerPanel.repaint();
} catch( IOException ioe ) {
ioe.printStackTrace();
}
}
private char getMarkChar(int position) {
int mark_num = position / 13;
switch( mark_num ) {
case 0: return 'c';
case 1: return 'd';
case 2: return 'h';
case 3: return 's';
default: throw new IllegalArgumentException();
}
}
private String getNumber(int position) {
NumberFormat formatter = new DecimalFormat("00");
return formatter.format( position%13+2 );
}
public void actionPerformed(ActionEvent ae) {
if( ae.getSource() == startButton ) {
reset();
dealCards();
startButton.setEnabled(false);
spinner.setEnabled(false);
} else if( ae.getSource() == changeButton ) {
try {
for( int i : changeList ) {
centerPanel.remove( cardPanels[i] );
int position = cardTower.remove(0);
char mark = getMarkChar(position);
String number = getNumber(position);
String fileName = mark + number + ".bmp";
cards[i] = new Card(fileName);
cardPanels[i] = new CardPanel();
cardPanels[i].addMouseListener(this);
cardPanels[i].setImage( ImageIO.read( new FileImageInputStream(new File(Constants.IMAGE_DIRECTORY + fileName)) ) );
centerPanel.add( cardPanels[i], i );
}
centerPanel.repaint();
for( int i=0; i<5; i++ ) cardPanels[i].removeMouseListener(this);
DQPokerHand hand = DQPokerRule.getHand( cards );
message1.setText( hand.getHandName() );
player.setMoney( Integer.parseInt(playerMoney.getText()) + ((Integer)spinner.getValue()*hand.getMagnification()) );
message1.setForeground( Color.BLUE );
changeButton.setEnabled(false);
if( player.getMoney() <= 0 ) {
message2.setText( "所持金がなくなりました..." );
JOptionPane.showMessageDialog( this, " _, ._\n（ ﾟ Дﾟ）<所持金がなくなりました...", null, JOptionPane.ERROR_MESSAGE, null );
startButton.setEnabled(false);
spinner.setEnabled(false);
} else {
message2.setText( "続ける場合はスタートボタンを押してください。" );
startButton.setEnabled(true);
spinner.setEnabled(true);
for( int i=(Integer)spinner.getValue(); ; ){
try {
spinner.setModel( new SpinnerNumberModel(i, 1, player.getMoney(), 1) );
playerMoney.setText( "" + (player.getMoney() - (Integer)spinner.getValue()) );
break;
} catch( IllegalArgumentException iae ) {
i--;
}
}
}
} catch( IOException ioe ) {
ioe.printStackTrace();
}
} else if( ae.getSource() == exitButton ) {
System.exit(0);
}
}
public void mouseClicked(MouseEvent e) {
if( e.getSource() instanceof CardPanel ) {
CardPanel clickedPanel = (CardPanel)e.getSource();
int x = 0;
for( x=0; x<cardPanels.length; x++ ) {
if( clickedPanel == cardPanels[x] ) break;
}
try {
changeList.add( x );
cardPanels[x].setImage( ImageIO.read( new FileImageInputStream(new File(Constants.IMAGE_DIRECTORY + Constants.BACK_FILE_NAME)) ) );
panel.paintImmediately( 0, 0, panel.getWidth(), panel.getHeight() );
} catch( IOException ioe ) {
ioe.printStackTrace();
}
}
}
public void mousePressed(MouseEvent e) {}
public void mouseReleased(MouseEvent e) {}
public void mouseEntered(MouseEvent e) {}
public void mouseExited(MouseEvent e) {}
public void stateChanged(ChangeEvent e) {
JSpinner sp = (JSpinner)e.getSource();
playerMoney.setText( "" + (player.getMoney()-(Integer)sp.getValue()) );
setOrder( (Integer)sp.getValue() );
}
private void setOrder( int bet ) {
order.setText(
Constants.HANDS_ROYAL_STRAIGHT_FLUSH.getHandName() + "：" + bet + "x" + Constants.HANDS_ROYAL_STRAIGHT_FLUSH.getMagnification() + "=" + bet*Constants.HANDS_ROYAL_STRAIGHT_FLUSH.getMagnification() + "\n" +
Constants.HANDS_STRAIGHT_FLUSH.getHandName() + "：" + bet + "x" + Constants.HANDS_STRAIGHT_FLUSH.getMagnification() + "=" + bet*Constants.HANDS_STRAIGHT_FLUSH.getMagnification() + "\n" +
Constants.HANDS_FOUR_CARDS.getHandName() + "：" + bet + "x" + Constants.HANDS_FOUR_CARDS.getMagnification() + "=" + bet*Constants.HANDS_FOUR_CARDS.getMagnification() + "\n" +
Constants.HANDS_FULL_HOUSE.getHandName() + "：" + bet + "x" + Constants.HANDS_FULL_HOUSE.getMagnification() + "=" + bet*Constants.HANDS_FULL_HOUSE.getMagnification() + "\n" +
Constants.HANDS_FLUSH.getHandName() + "：" + bet + "x" + Constants.HANDS_FLUSH.getMagnification() + "=" + bet*Constants.HANDS_FLUSH.getMagnification() + "\n" +
Constants.HANDS_STRAIGHT.getHandName() + "：" + bet + "x" + Constants.HANDS_STRAIGHT.getMagnification() + "=" + bet*Constants.HANDS_STRAIGHT.getMagnification() + "\n" +
Constants.HANDS_THREE_CARDS.getHandName() + "：" + bet + "x" + Constants.HANDS_THREE_CARDS.getMagnification() + "=" + bet*Constants.HANDS_THREE_CARDS.getMagnification() + "\n" +
Constants.HANDS_TWO_PAIRS.getHandName() + "：" + bet + "x" + Constants.HANDS_TWO_PAIRS.getMagnification() + "=" + bet*Constants.HANDS_TWO_PAIRS.getMagnification() + "\n" +
Constants.HANDS_ONE_PAIR.getHandName() + "：" + bet + "x" + Constants.HANDS_ONE_PAIR.getMagnification() + "=" + bet*Constants.HANDS_ONE_PAIR.getMagnification() + "\n" +
Constants.HANDS_NO_PAIRS.getHandName() + "：" + bet + "x" + Constants.HANDS_ONE_PAIR.getMagnification() + "=" + bet*Constants.HANDS_NO_PAIRS.getMagnification()
);
}
}
// DQPokerRule.java
import java.util.Arrays;
import java.util.TreeMap;
public final class DQPokerRule {
private DQPokerRule() {
}
/**
* 役を返却。
* @param cards
* @return 役
* @see ttp://slime4.hp.infoseek.co.jp/poker/page2.html
*/
public static DQPokerHand getHand( Card[] cards ) {
// TreeMap:マップがキーの昇順でソートされる。
TreeMap<Character, Integer> markMap = new TreeMap<Character, Integer>();
TreeMap<Integer, Integer> numberMap = new TreeMap<Integer, Integer>();
for( int i=0; i<cards.length; i++ ) {
markMap.put( cards[i].getMark(), getMarkValue(markMap, cards[i].getMark())+1 );
numberMap.put( cards[i].getNumber(), getNumberValue(numberMap, cards[i].getNumber())+1 );
}
// フラッシュかどうか
boolean isFlush = false;
for( char c : markMap.keySet() ) {
if( markMap.get(c) == 5 ) isFlush = true;
}
// ストレートかどうか
boolean isStraight = false;
for( int num : numberMap.keySet() ) {
int count=0;
for( int i=num; i<num+5; i++ ) {
if( getNumberValue(numberMap, i) == 1 ) count++;
}
if( count == 5 ) isStraight = true;
}
// フラッシュorストレートの場合
if( isFlush || isStraight ) {
// ストレートフラッシュ
if( isFlush && isStraight ) {
// Aがある場合はロイヤルストレートフラッシュ
if( getNumberValue( numberMap, 14 ) == 1 ) return Constants.HANDS_ROYAL_STRAIGHT_FLUSH;
else return Constants.HANDS_STRAIGHT_FLUSH;
} else if( isFlush ) {
return Constants.HANDS_FLUSH;
} else if( isStraight ) {
return Constants.HANDS_STRAIGHT;
} else {
throw new IllegalArgumentException("ありえません..");
}
// フラッシュでもストレートでもない場合
} else {
Integer[] values = numberMap.values().toArray( new Integer[0] );
Arrays.sort( values );
// フォーカード
if( values[values.length-1] == 4 ) return Constants.HANDS_FOUR_CARDS;
// スリーカードがある場合
else if( values[values.length-1] == 3 ) {
// ワンペアもある場合
if( values[values.length-2] == 2 ) {
return Constants.HANDS_FULL_HOUSE;
// ワンペアがない場合
} else {
return Constants.HANDS_THREE_CARDS;
}
// ワンペアがある場合
} else if( values[values.length-1] == 2 ) {
// もうひとつワンペアがある場合
if( values[values.length-2] == 2 ) {
return Constants.HANDS_TWO_PAIRS;
} else {
return Constants.HANDS_ONE_PAIR;
}
} else if( values[values.length-1] == 1 ) {
return Constants.HANDS_NO_PAIRS;
} else {
throw new IllegalArgumentException("ありえません..");
}
}
}
private static int getMarkValue( TreeMap<Character, Integer> markMap, char mark ) {
Integer value = markMap.get( mark );
if( value == null ) return 0;
else return value;
}
private static int getNumberValue( TreeMap<Integer, Integer> numberMap, int num ) {
Integer value = numberMap.get( num );
if( value == null ) return 0;
else return value;
}
}
// DQPokerHand.java
public class DQPokerHand {
private String handName;
private int magnification;
public DQPokerHand( String handName, int magnification ) {
this.handName = handName;
this.magnification = magnification;
}
public String getHandName() {
return this.handName;
}
public int getMagnification() {
return this.magnification;
}
}
// Player.java
public class Player {
private final String name;
private int money;
public Player(String name, int money) {
this.name = name;
this.money = money;
}
public int getMoney() {
return money;
}
public void setMoney(int money) {
this.money = money;
}
public String getName() {
return name;
}
}
// Card.java
import java.text.DecimalFormat;
import java.text.NumberFormat;
public class Card {
/**
* 'c'：クラブ
* 'd'：ダイヤ
* 'h'：ハート
* 's'：スペード
*/
private char mark;
/**
* 数字は2〜14
*/
private int number;
private String fileName;
public Card(char mark, int number) {
this.mark = mark;
this.number = number;
}
public Card(String fileName) {
this.fileName = fileName;
if( !fileName.equals(Constants.BACK_FILE_NAME) ) {
this.mark = fileName.charAt(0);
this.number = Integer.parseInt(fileName.substring( 1, fileName.indexOf(".") ));
}
}
public char getMark() {
return mark;
}
public int getNumber() {
return number;
}
public String getFileName() {
return fileName;
}
public String getFileName(String str) {
NumberFormat formatter = new DecimalFormat("00");
return mark + formatter.format( number ) + ".gif";
}
public String toString() {
return "mark: " + mark + ", number: " + number + ", fileName:" + fileName;
}
}
// CardPanel.java
import java.awt.Graphics;
import java.awt.image.BufferedImage;
import javax.swing.JPanel;
public class CardPanel extends JPanel {
private BufferedImage img=null;
public void paint(Graphics g){
if(img != null){
g.drawImage(img,0,0,this);
}
}
public void setImage(BufferedImage img){
this.img = img;
}
public BufferedImage getImage() {
return this.img;
}
}
// Constants.java
public final class Constants {
public static final int WINDOW_WIDTH = 640;
public static final int WINDOW_HEIGHT = 480;
public static final String IMAGE_DIRECTORY = "./img/";
public static final String BACK_FILE_NAME = "back.bmp";
public static final DQPokerHand HANDS_ROYAL_STRAIGHT_FLUSH = new DQPokerHand( "ロイヤルストレートフラッシュ", 100 );
public static final DQPokerHand HANDS_STRAIGHT_FLUSH = new DQPokerHand( "ストレートフラッシュ", 50 );
public static final DQPokerHand HANDS_FOUR_CARDS = new DQPokerHand( "フォーカード", 30 );
public static final DQPokerHand HANDS_FULL_HOUSE = new DQPokerHand( "フルハウス", 15 );
public static final DQPokerHand HANDS_FLUSH = new DQPokerHand( "フラッシュ", 12 );
public static final DQPokerHand HANDS_STRAIGHT = new DQPokerHand( "ストレート", 8 );
public static final DQPokerHand HANDS_THREE_CARDS = new DQPokerHand( "スリーカード", 3 );
public static final DQPokerHand HANDS_TWO_PAIRS = new DQPokerHand( "ツーペア", 2 );
public static final DQPokerHand HANDS_ONE_PAIR = new DQPokerHand( "ワンペア", 0 );
public static final DQPokerHand HANDS_NO_PAIRS = new DQPokerHand( "ノーペア", 0 );
}
written by iys
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