[JAVA] Riempire le colonne di un controllo JTable

[Linda2801]

Nonostante abbia dato un'occhiata ai tutorial in rete, non riesco a capire come posso riempire una jtable creata con netBeans.
Nel caso specifico, ho una tabella con tre colonne e una sola riga, in ognuna delle tre celle devo inserire uno dei seguenti valori (insomma, tre float):

float ist, min, max;

        ist=s.getConsumoIst();
        min=s.getConsumoMax();
        max=s.getConsumoMax();

come si fa?

[scozzese]

Non ho mai usato NetBeans, ma alla fin fine non dovrebbe esserci nessuna differenza se si usa NetBeans, Eclipse o altro perché tutti usano javac per compilare e java per la fase di running.
ecco qui un'esempio di JTable che ho scritto qualche tempo fa:

/**
	 * This constructor builds the main skeleton of the table.
	 */
	public TableServers() {

		listServers = new ArrayList<ServerInformation>();

		model = new DefaultTableModel();
		table = new JTable(model);
		// generating columns
		model.addColumn("HOSTNAME");
		model.addColumn("PORT");
		// this avoids multiple selections and listen to what is selected
		table.setCellSelectionEnabled(true);

		cellSelectionModel = table.getSelectionModel();
		cellSelectionModel
		.setSelectionMode(ListSelectionModel.SINGLE_INTERVAL_SELECTION);
		// add header to the table
		JTableHeader header = table.getTableHeader();
		header.setBackground(Color.yellow);
		// add table to a scroll-able pane
		table.setGridColor(Color.black);
		scrollPane = new JScrollPane(table);
		scrollPane.setPreferredSize(new Dimension(TABLE_HEIGHT, TABLE_WIDTH));
		add(scrollPane,  BorderLayout.NORTH);
		
		// updates the selected row !!!
		check();
		
		// The connect button is used to connect with one of the selected servers. The default selected server is the first one.
		button = new JButton("Connect");
		ConnectToSelectedServer selectedServer = new ConnectToSelectedServer(this);
		button.addActionListener(selectedServer);
		add(button, BorderLayout.SOUTH);

		pack();
		setResizable(false);
		setVisible(true);

	}

// this methods helps to work only with the selected row
	private void check() {
		table.setCellSelectionEnabled(true);
		cellSelectionModel = table.getSelectionModel();
		cellSelectionModel
		.setSelectionMode(ListSelectionModel.SINGLE_INTERVAL_SELECTION);
		cellSelectionModel
		.addListSelectionListener(new ListSelectionListener() {
			public void valueChanged(ListSelectionEvent e) {
				int selectedRow = table.getSelectedRow();
				actualIndexTable = selectedRow;
			}
		});
	}

// Aggiunge una nuova riga alla tabella.

/**
	 * Adds a new Server's 2-tuple to the table.
	 * @param host
	 * @param port
	 */
	protected void addElementsToTable(String host, int port) {

		boolean isDuplicate = false;
		// Add the elements to the list of servers and to the table. Checks if element already exists.
		for (int i = 0; i < listServers.size(); i++) {
			if((host.equals(listServers.get(i).getHost()) && (port == listServers.get(i).getPort()))) {
				isDuplicate = true;
			}
		}
		
		// Add the new connection server to the list only if it's not duplicated.
		if (!isDuplicate) {
			// This is the crucial point for the user of the ArrayList listServers. In fact there are only different elements in the list.
			listServers.add(new ServerInformation(host, port));
			model.addRow(new Object[] {host, port});
		}
	}

// Metodo per ottenere il valore selezionato per quella riga.

	/**
	 * Gets the Servers that has been selected. 
	 * @return ServerInformation
	 */
	protected ServerInformation getSelectedServer() {
		
		ServerInformation selectedServer;
		selectedServer = new ServerInformation((String) table.getValueAt(actualIndexTable, 0), 
				((Integer)table.getValueAt(actualIndexTable, 1)).intValue()) ;

		return selectedServer;
		
	}

// L'actionListener

/**
 * This class works as a bridge between the Connect class and the TableServers class.
 * @author simone
 *
 */
public class ConnectToSelectedServer extends Connect implements ActionListener{

	private TableServers table;

	/**
	 * It responds to the press of the button connect in the Table window.
	 */
	@Override
	public void actionPerformed(ActionEvent arg0) {

		String hostname = table.getSelectedServer().getHost();
		int port  = table.getSelectedServer().getPort();
		try {
			standardConnection(hostname, port);
		} catch (IOException e) {
			JOptionPane.showMessageDialog(null, "I/O Exception. Failed to connecto to " + hostname, "Error !", JOptionPane.ERROR_MESSAGE);
		}

	}

	/**
	 * Constructor used to set the table field.
	 * @param table
	 */
	public ConnectToSelectedServer(TableServers table) {
		this.table = table;
	}

}

// Questo è l'elenco delle variabili globali

private JTable table;
	private DefaultTableModel model;
	private JScrollPane scrollPane;
	private ListSelectionModel cellSelectionModel;
	private JButton button;
	
	// The JDialog Window's dimension.
	private static final int TABLE_HEIGHT = 400;
	private static final int TABLE_WIDTH = 300;

	// Indicates the index of row selected in the table. It's 0 by default.
	private int actualIndexTable = 0;
	
	// This stores the Servers to be passed to the Table.
	protected ArrayList<ServerInformation> listServers;