rendered paste bodypackage projekt;import java.awt.Dimension;import java.awt.Rectangle;import java.awt.event.ActionEvent;import java.awt.event.ActionListener;import java.awt.event.WindowEvent;import java.io.BufferedReader;import java.io.InputStreamReader;import java.net.URL;import java.net.URLConnection;import java.util.ArrayList;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.JOptionPane;import javax.swing.JTextField;public class Projekt extends JFrame { private JMenuBar menuBar = new JMenuBar(); private JMenu menuFile = new JMenu(); private JMenuItem menuFileExit = new JMenuItem(); private JMenu menuHelp = new JMenu(); private JButton jButton1 = new JButton(); private JLabel jLabel1 = new JLabel(); private JButton jButton2 = new JButton(); private JTextField jTextField1 = new JTextField(); private JLabel jLabel2 = new JLabel(); private JMenuItem jMenuItem1 = new JMenuItem(); private int[][] matrix; private JButton jButton3 = new JButton(); public Projekt() { try { jbInit(); } catch (Exception e) { e.printStackTrace(); } } private void jbInit() throws Exception { this.setJMenuBar( menuBar ); this.getContentPane().setLayout( null ); this.setSize( new Dimension(400, 300) ); this.setTitle( "CSV Reader" ); menuFile.setText( "File" ); menuFileExit.setText( "Exit" ); menuFileExit.addActionListener( new ActionListener() { public void actionPerformed( ActionEvent ae ) { fileExit_ActionPerformed( ae ); } } ); menuHelp.setText( "Help" ); jButton1.setText("Pobierz"); jButton1.setBounds(new Rectangle(305, 10, 80, 25)); jButton1.addActionListener(new ActionListener() { public void actionPerformed(ActionEvent e) { jButton1_actionPerformed(e); } }); jLabel1.setText("Wyniki"); jLabel1.setBounds(new Rectangle(15, 135, 365, 65)); jButton2.setText("Średnia Arytmetyczna"); jButton2.setBounds(new Rectangle(10, 65, 175, 30)); jButton2.addActionListener(new ActionListener() { public void actionPerformed(ActionEvent e) { jButton2_actionPerformed(e); } }); jTextField1.setBounds(new Rectangle(55, 10, 250, 25)); jLabel2.setText("URL:"); jLabel2.setBounds(new Rectangle(15, 10, 75, 25)); jMenuItem1.setText("About"); jButton3.setText("Dominanta"); jButton3.setBounds(new Rectangle(210, 65, 175, 30)); jButton3.addActionListener(new ActionListener() { public void actionPerformed(ActionEvent e) { jButton3_actionPerformed(e); } }); menuFile.add( menuFileExit ); menuBar.add( menuFile ); menuHelp.add(jMenuItem1); menuBar.add(menuHelp); this.getContentPane().add(jButton4, null); this.getContentPane().add(jButton3, null); this.getContentPane().add(jLabel2, null); this.getContentPane().add(jTextField1, null); this.getContentPane().add(jButton2, null); this.getContentPane().add(jLabel1, null); this.getContentPane().add(jButton1, null); } public void ToMatrix() throws Exception{ URL address = new URL(jTextField1.getText()); // stwórz adres URLConnection aconnection = address.openConnection(); // otwórz połaczenie BufferedReader in = new BufferedReader(new InputStreamReader(aconnection.getInputStream())); // przygotuj do czytania ArrayList<String> rows = new ArrayList<String>(); // tu będą wiersze String inputString; // wczytywany wiersz while ((inputString = in.readLine()) != null) rows.add(inputString); //wczytaj wiersze do rows int[][] matrix = new int[rows.size()][]; // stwórz tablicę o ilości wierszy równą ilości wczytanych wierszy for (int i = 0; i < rows.size(); i++) { //dla każdego wczytanego wiersza String row = rows.get(i); // wiersz wczytany z URL-a int[] numbers = new int[row.split(",").length]; //tworzymy nową tablicę liczb, wielkości liczb w wierszu String[] sNumbers = row.split(","); // tworzymy tablicę Stringów-liczb for (int j = 0; j < sNumbers.length; j++) { numbers[j] = Integer.parseInt(sNumbers[j]); // zamieniaj Stringi w inty } matrix[i] = numbers; // odpowiedniemu wierszowi w macierzy przyporządkuj daną tablicę this.matrix = matrix; } } void fileExit_ActionPerformed(ActionEvent e) { System.exit(0); } void widowClosing(WindowEvent e) { System.exit(0); } void helpAbout_ActionPerformed(ActionEvent e) { //JOptionPane.showMessageDialog(this, new Projekt_AboutBoxPanel1(), "About", JOptionPane.PLAIN_MESSAGE); } private void jButton1_actionPerformed(ActionEvent e) { if(e.getSource() == jButton1) { try{ ToMatrix(); } catch(Exception ex) { JOptionPane.showMessageDialog(null,"Niepoprawne dane, podaj adres URL!","Error",JOptionPane.ERROR_MESSAGE); } } } private void jButton2_actionPerformed(ActionEvent e) { if(e.getSource() == jButton2) { try { //liczenie średniej arytmetycznej, powinno działać;) int suma = 0; for (int i = 0; i < this.matrix[0].length; i++) suma += this.matrix[0][i]; double srednia = suma / this.matrix[0].length; jLabel1.setText(Double.toString(srednia)); //wypisanie do labela } catch(Exception ex) { jLabel1.setText(""+ex.getMessage()); } } } private void jButton3_actionPerformed(ActionEvent e) { try { double m, modeVal = 0.0; int count, oldcount = 0; for (int j=0; j<this.matrix[0].length; j++) { m= this.matrix[0][j]; count = 0; //zliczenie występowania poszczególnych wartości for (int k=j+1; k<this.matrix[0].length; k++) if (m == this.matrix[0][k]) count++; //jeśli wartość występuje częściej niż poprzednie zapamiętaj ją if (count > oldcount) { modeVal = m; oldcount = count; } } if (oldcount == 0) jLabel1.setText("Dominanta nie występuje"); else jLabel1.setText(Double.toString(modeVal)); } catch (Exception de){ jLabel1.setText(""+de.getMessage()); } } public static void main(String args[]) { JFrame frame = new Projekt(); frame.setVisible(true); }}//http://mimuw.wikispaces.com/space/graph/edits?year=2008&month=2&csv