public static void main(String[] args) { JFrame frame = new JFrame(); frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE); JBubblePanel bubblePanel = new JBubblePanel(); JTextPane textPane = new JTextPane(); bubblePanel.setLayout(new BorderLayout()); bubblePanel.add(textPane, BorderLayout.CENTER); Font normalFont = new Font("Arial", Font.PLAIN, 12); Font boldFont = new Font("Arial", Font.BOLD, 12); SimpleAttributeSet normal = new SimpleAttributeSet(); SimpleAttributeSet bold = new SimpleAttributeSet(); StyleConstants.setBold(bold, true); try { textPane .getDocument() .insertString(textPane.getDocument().getLength(), "Your connection to ", normal); textPane .getDocument() .insertString(textPane.getDocument().getLength(), "cvs.dev.java.net ", bold); textPane .getDocument() .insertString( textPane.getDocument().getLength(), "failed. Here are a few possible reasons.\n\n", normal); textPane .getDocument() .insertString( textPane.getDocument().getLength(), " Your computer is may not be connected to the network.\n" + "* The CVS server name may be entered incorrectly.\n\n", normal); textPane .getDocument() .insertString( textPane.getDocument().getLength(), "If you still can not connect, please contact support at ", normal); textPane .getDocument() .insertString(textPane.getDocument().getLength(), "*****@*****.**", bold); textPane.getDocument().insertString(textPane.getDocument().getLength(), ".", normal); } catch (BadLocationException ex) { ex.printStackTrace(); } frame.getContentPane().setLayout(new BorderLayout()); frame.getContentPane().add(bubblePanel, BorderLayout.CENTER); frame.setBounds(200, 300, 400, 360); frame.setVisible(true); }
public void newframe() { JFrame frame = new JFrame("Cab Service "); frame.setSize(800, 600); frame.setVisible(true); // frame.setBackground(Color.CYAN); frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE); JButton jb = new JButton("Set Name of Places "); jb.setBounds(100, 100, 20, 50); JPanel jp = new JPanel(); jp.setBackground(Color.gray); jp.add(jb); frame.add(jp); JPanel jp1 = new JPanel(); jp1.setBackground(Color.gray); frame.add(jp1); frame.add(jp); jb.addActionListener( new ActionListener() { public void actionPerformed(ActionEvent e) { try { CreateFrame(); } catch (IOException ex) { Logger.getLogger(SetMap.class.getName()).log(Level.SEVERE, null, ex); } } }); }
public static void main(String[] args) { final JPopupMenu menu = new JPopupMenu(); menu.setLayout(new GridLayout(0, 3, 5, 5)); final MenuedButton button = new MenuedButton("Icons", menu); for (int i = 0; i < 9; i++) { // replace "print.gif" with your own image final JLabel label = new JLabel("" + i); // new ImageIcon("resources/images/print.gif") ); label.addMouseListener( new MouseAdapter() { public void mouseClicked(MouseEvent e) { button.getMainButton().setIcon(label.getIcon()); menu.setVisible(false); } }); menu.add(label); } JFrame frame = new JFrame("Button Test"); frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE); frame.getContentPane().add(new JLabel("Click Arrow Button To Show Popup"), BorderLayout.NORTH); frame.getContentPane().add(button, BorderLayout.CENTER); frame.pack(); frame.setLocationRelativeTo(null); frame.setVisible(true); }
/** *********************************************************************** */ private static void createAndShowGUI() { JFrame.setDefaultLookAndFeelDecorated(true); // give JFrame nice decorations JFrame frame = new JFrame("Java GUI"); // create the JFrame frame.setDefaultCloseOperation( JFrame.EXIT_ON_CLOSE); // set up the JFrame to end the program when it closes Container c = frame.getContentPane(); c.setLayout(new BorderLayout()); ColorBars drawingPanel = new ColorBars(); // set up the panel to draw in drawingPanel.setBackground(Color.BLACK); // the the background to black drawingPanel.btnDraw = new JButton("Click me"); // instantiate a swing button drawingPanel.btnDraw.addActionListener(drawingPanel); // register the panel with the button drawingPanel.btnClear = new JButton("Clear Screen"); drawingPanel.btnClear.addActionListener(drawingPanel); Panel buttonPanel = new Panel(); // instantiate the panel for buttons buttonPanel.add(drawingPanel.btnDraw); // add the swing button the the button panel buttonPanel.add(drawingPanel.btnClear); c.add( drawingPanel, BorderLayout.CENTER); // add the drawing panel to the frame (take up the entire frame) c.add(buttonPanel, BorderLayout.SOUTH); // add the button panel to the bottom of the frame frame.setExtendedState(JFrame.MAXIMIZED_BOTH); // set the window to maximized frame.setSize(600, 400); // set the frame size (in case user un-maximizes frame.setVisible(true); // display the frame }
public static void main(String[] args) { Browser browser = new Browser(); BrowserView browserView = new BrowserView(browser); JFrame frame = new JFrame(); frame.setDefaultCloseOperation(WindowConstants.EXIT_ON_CLOSE); frame.add(browserView, BorderLayout.CENTER); frame.setSize(800, 600); frame.setLocationRelativeTo(null); frame.setVisible(true); browser.setDownloadHandler( new DownloadHandler() { public boolean allowDownload(DownloadItem download) { download.addDownloadListener( new DownloadListener() { public void onDownloadUpdated(DownloadEvent event) { DownloadItem download = event.getDownloadItem(); if (download.isCompleted()) { System.out.println("Download is completed!"); } } }); System.out.println( "Destination file: " + download.getDestinationFile().getAbsolutePath()); return true; } }); browser.loadURL("ftp://ftp.teamdev.com/updates/jxbrowser-4.0-beta.zip"); }
/** GUIコンポーネントを初期化する。 */ public void initComponent() { frame = new JFrame(ClientContext.getFrameTitle(title)); frame.setDefaultCloseOperation(WindowConstants.DO_NOTHING_ON_CLOSE); frame.addWindowListener( new WindowAdapter() { @Override public void windowClosing(WindowEvent e) { stop(); } }); JPanel contentPane = createBrowsePane(); contentPane.setBorder(BorderFactory.createEmptyBorder(12, 12, 11, 11)); contentPane.setOpaque(true); frame.setContentPane(contentPane); frame.pack(); Dimension screen = Toolkit.getDefaultToolkit().getScreenSize(); int n = ClientContext.isMac() ? 3 : 2; int x = (screen.width - frame.getPreferredSize().width) / 2; int y = (screen.height - frame.getPreferredSize().height) / n; frame.setLocation(x, y); blockGlass = new BlockGlass(); frame.setGlassPane(blockGlass); frame.setVisible(true); }
public RemoveFrame() { frame = new JFrame("Select Files you wish to Remove from Drive"); frame.setDefaultCloseOperation(JFrame.DISPOSE_ON_CLOSE); frame.getRootPane().setDefaultButton(confirm); try { files = DriveList.list(); } catch (IOException e) { files = new ArrayList<File>(); } confirm = new JButton("Remove"); quit = new JButton("Cancel"); confirm.addActionListener(this); quit.addActionListener(this); frame.setLayout(new BorderLayout()); checkPanel = new JPanel(); control = new JPanel(); control.setLayout(new GridLayout(1, 2)); control.add(confirm); control.add(quit); frame.add(control, BorderLayout.SOUTH); drawCheckPanel(); frame.add(checkPanel, BorderLayout.CENTER); frame.pack(); frame.setVisible(true); }
public static void main(String[] args) { JFrame frame = new JFrame(); frame.add(new JDemoFontMetrics()); frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE); frame.setSize(300, 460); frame.setVisible(true); }
public static void main(String[] args) { StringBuffer result = new StringBuffer("<html><body><h1>Fibonacci Sequence</h1><ol>"); long f1 = 0; long f2 = 1; for (int i = 0; i < 50; i++) { result.append("<li>"); result.append(f1); long temp = f2; f2 = f1 + f2; f1 = temp; } result.append("</ol></body></html>"); JEditorPane jep = new JEditorPane("text/html", result.toString()); jep.setEditable(false); // new FibonocciRectangles().execute(); JScrollPane scrollPane = new JScrollPane(jep); JFrame f = new JFrame("Fibonacci Sequence"); f.setDefaultCloseOperation(WindowConstants.DISPOSE_ON_CLOSE); f.setContentPane(scrollPane); f.setSize(512, 342); EventQueue.invokeLater(new FrameShower(f)); }
public void create() { JFrame frame = new JFrame(); frame.getContentPane().add(new JScrollPane(jgraph)); frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE); frame.pack(); frame.setVisible(true); }
// ------------------------------------------------------------------- public static void main(String[] args) { // Create the window JFrame frame = new JFrame(); frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE); frame.setSize(new Dimension(300, 100)); frame.setTitle("A frame"); frame.setLayout(new FlowLayout()); // This will be discuss in the next lesson // Create and add the first button JButton button1 = new JButton(); button1.setText("I'm a button."); button1.setBackground(Color.BLUE); frame.add(button1); // Create and add the second button JButton button2 = new JButton(); button2.setText("Click me!"); button2.setBackground(Color.RED); frame.add(button2); // Reset the sizes of the buttons and window frame.pack(); // Actually put the window on the screen and draw all its components frame.setVisible(true); }
public static void main(String[] args) { JFrame frame = new JFrame("startbooking1"); frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE); frame.getContentPane().add(new startbooking1()); frame.pack(); frame.setVisible(true); }
/** Initialize the contents of the frame. */ private void initialize() { frame = new JFrame(); frame.setBounds(100, 100, 450, 300); frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE); frame .getContentPane() .setLayout( new FormLayout( new ColumnSpec[] { FormFactory.LABEL_COMPONENT_GAP_COLSPEC, ColumnSpec.decode("default:grow"), FormFactory.LABEL_COMPONENT_GAP_COLSPEC, }, new RowSpec[] { FormFactory.RELATED_GAP_ROWSPEC, RowSpec.decode("default:grow"), FormFactory.LINE_GAP_ROWSPEC, RowSpec.decode("default:grow"), FormFactory.LINE_GAP_ROWSPEC, })); JPanel panel = new JPanel(); frame.getContentPane().add(panel, "2, 2, fill, fill"); openDialog = new FileDialog(this, "Open File", FileDialog.LOAD); JButton btnCharger = new JButton("Charger une partie"); btnCharger.addActionListener( new ActionListener() { public void actionPerformed(ActionEvent arg0) { openDialog.setVisible(true); try { String dir = openDialog.getDirectory() + openDialog.getFile(); Utilitaire.writeln(dir, textArea); jeu = new Kakuro(frame, dir); jeu.setVisible(true); } catch (NullPointerException point) { } } }); panel.add(btnCharger); JButton btnNvlPartie = new JButton("Nouvelle Partie"); panel.add(btnNvlPartie); btnNvlPartie.addActionListener( new ActionListener() { public void actionPerformed(ActionEvent arg0) { Random list = new Random(); int seed = list.nextInt(); new Utilitaire(Utilitaire.x, Utilitaire.y, seed); jeu = new Kakuro(frame); jeu.setVisible(true); } }); textArea = new JTextArea(); JScrollPane scrollPane = new JScrollPane(textArea); frame.getContentPane().add(scrollPane, "2, 4, fill, fill"); }
private MainPanel(final JFrame frame) { super(); add(check); setPreferredSize(new Dimension(320, 240)); if (!SystemTray.isSupported()) { frame.setDefaultCloseOperation(WindowConstants.EXIT_ON_CLOSE); return; } frame.addWindowListener( new WindowAdapter() { @Override public void windowIconified(WindowEvent e) { if (check.isSelected()) { e.getWindow().dispose(); } } }); // or // frame.addWindowStateListener(new WindowStateListener() { // @Override public void windowStateChanged(WindowEvent e) { // if (check.isSelected() && e.getNewState() == Frame.ICONIFIED) { // e.getWindow().dispose(); // } // } // }); final SystemTray tray = SystemTray.getSystemTray(); Dimension d = tray.getTrayIconSize(); BufferedImage image = makeBufferedImage(new StarIcon(), d.width, d.height); final PopupMenu popup = new PopupMenu(); final TrayIcon icon = new TrayIcon(image, "TRAY", popup); MenuItem item1 = new MenuItem("OPEN"); item1.addActionListener( new ActionListener() { @Override public void actionPerformed(ActionEvent e) { frame.setVisible(true); } }); MenuItem item2 = new MenuItem("EXIT"); item2.addActionListener( new ActionListener() { @Override public void actionPerformed(ActionEvent e) { tray.remove(icon); frame.dispose(); // frame.dispatchEvent(new WindowEvent(frame, WindowEvent.WINDOW_CLOSING)); } }); popup.add(item1); popup.add(item2); try { tray.add(icon); } catch (AWTException e) { e.printStackTrace(); } }
public static void main(String[] args) { JFrame frame = new JFrame("Add"); frame.setLocation(500, 400); // frame.setPreferredSize(new Dimension(250, 100)); Container contentPane = frame.getContentPane(); FlowLayout layout = new FlowLayout(); contentPane.setLayout(layout); JPanel panel = new JPanel(); panel.add(new JTextField(6)); panel.add(new JLabel("+")); panel.add(new JTextField(6)); panel.add(new JLabel("=")); panel.add(new JTextField(6)); contentPane.add(panel, BorderLayout.CENTER); JPanel panel2 = new JPanel(); panel2.add(new JButton("확인")); panel2.add(new JButton("취소")); contentPane.add(panel2, BorderLayout.SOUTH); frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE); frame.pack(); frame.setVisible(true); }
/** * Init JWhiteBoard interface * * @throws Exception */ public void go() throws Exception { if (!noChannel && !useState) channel.connect(groupName); mainFrame = new JFrame(); mainFrame.setDefaultCloseOperation(WindowConstants.EXIT_ON_CLOSE); drawPanel = new DrawPanel(useState); drawPanel.setBackground(backgroundColor); subPanel = new JPanel(); mainFrame.getContentPane().add("Center", drawPanel); clearButton = new JButton("Clean"); clearButton.setFont(defaultFont); clearButton.addActionListener(this); leaveButton = new JButton("Exit"); leaveButton.setFont(defaultFont); leaveButton.addActionListener(this); subPanel.add("South", clearButton); subPanel.add("South", leaveButton); mainFrame.getContentPane().add("South", subPanel); mainFrame.setBackground(backgroundColor); clearButton.setForeground(Color.blue); leaveButton.setForeground(Color.blue); mainFrame.pack(); mainFrame.setLocation(15, 25); mainFrame.setBounds(new Rectangle(250, 250)); if (!noChannel && useState) { channel.connect(groupName, null, stateTimeout); } mainFrame.setVisible(true); }
public static void main(String[] args) { JFrame frame = new JFrame("Maze View"); Random random = new Random(); long startTime = System.nanoTime(); MazeNode maze = MazeNode.generate(random, 100, 100); System.out.println("Gen : " + elapsedMs(startTime) + "ms"); startTime = System.nanoTime(); int sx = 0; // random.nextInt(maze.width); int sy = 0; // random.nextInt(maze.height); int dx = maze.width - 1; // random.nextInt(maze.width); int dy = maze.height - 1; // random.nextInt(maze.height); Path path = PathSolver.solve(maze, sx, sy, dx, dy); System.out.println("Solve : " + elapsedMs(startTime) + "ms"); int pathSize = 0; PathCell pathIt = path.first; while (pathIt != null) { pathSize++; pathIt = pathIt.next; } System.out.println("Path Size: " + pathSize); frame.add(new JScrollPane(new MazeView(maze, sx, sy, dx, dy, path))); frame.setSize(500, 500); frame.setDefaultCloseOperation(WindowConstants.EXIT_ON_CLOSE); SwingUtilities.invokeLater(() -> frame.setVisible(true)); }
private Game() { // Top-level frame final JFrame frame = new JFrame("Falling Blocks"); frame.setLocation(200, 50); frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE); // Main playing area final TetrisCourt court = new TetrisCourt(); frame.add(court, BorderLayout.CENTER); // Reset button final JPanel panel = new JPanel(); frame.add(panel, BorderLayout.NORTH); final JButton reset = new JButton("Reset"); reset.addActionListener( new ActionListener() { public void actionPerformed(ActionEvent e) { court.reset(); } }); panel.add(reset); // Put the frame on the screen frame.pack(); frame.setVisible(true); // Start the game running court.reset(); }
public static void main(String[] args) { JFrame win = new JFrame("MouseMotionEvents"); win.setSize(1024, 768); win.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE); win.add(new MouseMotionEvents()); win.setVisible(true); }
public static void main(String[] args) { Toolkit theKit = aWindow.getToolkit(); // Get the window Toolkit Dimension wndSize = theKit.getScreenSize(); // Get the screen size // Set the position to screen center & size to half screen size aWindow.setBounds( wndSize.width / 4, wndSize.height / 4, // Position wndSize.width / 2, wndSize.height / 2); // Size aWindow.setDefaultCloseOperation(WindowConstants.DISPOSE_ON_CLOSE); GridLayout grid = new GridLayout(5, 2, 30, 20); // Create a layout manager Container content = aWindow.getContentPane(); content.setLayout(grid); EtchedBorder edge = new EtchedBorder(EtchedBorder.RAISED); // Button border // Now add ten Button compenents JButton button; for (int i = 1; i <= 10; i++) { content.add(button = new JButton("Press " + i)); button.setBorder(edge); } aWindow.getContentPane().setBackground(new Color(238, 233, 233)); aWindow.setVisible(true); }
public static void main(String[] args) { JFrame gameWindow = new JFrame("Tic Tac Toe"); gameWindow.add(new TicTacToeGame()); gameWindow.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE); gameWindow.pack(); gameWindow.setVisible(true); }
public void setUpGui() { m1 = new MyDrawPanel(); f.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE); f.setContentPane(m1); f.setBounds(30, 30, 300, 300); f.setVisible(true); } // quit meth
private void create() { JFrame f = new JFrame("JSplitPane"); f.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE); MyPanel p1 = new MyPanel(Color.red); MyPanel p2 = new MyPanel(Color.blue); final JSplitPane jsp = new JSplitPane(JSplitPane.HORIZONTAL_SPLIT, true, p1, p2); Timer timer = new Timer( 200, new ActionListener() { @Override public void actionPerformed(ActionEvent e) { ratio += delta; if (ratio >= 1.0) { ratio = 1.0; delta = -delta; } else if (ratio <= 0) { delta = -delta; ratio = 0; } jsp.setDividerLocation(ratio); } }); f.add(jsp); f.pack(); f.setLocationRelativeTo(null); f.setVisible(true); timer.start(); }
public SchiebePuzzle() { JFrame jF = new JFrame("Misc_2015/SchiebePuzzle"); jF.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE); jF.setLayout(new GridLayout(YY, XX)); // ggf zu ändern try { BufferedImage fuYou = ImageIO.read(new File("fuYou.jpg")); int w = fuYou.getWidth(); int h = fuYou.getHeight(); for (int y = 0; y < YY; y++) for (int x = 0; x < XX; x++) { buttons[y][x] = new PuzzButton( new ImageIcon(fuYou.getSubimage(x * (w / XX), y * (h / YY), w / XX, h / YY))); buttons[y][x].setBorder(new LineBorder(Color.BLACK, 1)); buttons[y][x].setActionCommand("" + x + y); buttons[y][x].setName("" + x + y); buttons[y][x].setPosY(y); buttons[y][x].setPosX(x); buttons[y][x].addActionListener(this); jF.add(buttons[y][x]); } } catch (IOException e) { System.out.println("Bild nicht gefunden!"); } jF.pack(); jF.setVisible(true); }
/** * Constructs a new game. * * @param web <code>true</code> if this game is meant to be an applet (which can be played * online), and <code>false</code> otherwise. Note: this doesn't work yet. */ public Game() { Game.applet = false; canvas = new Canvas(this); solidShapes = Collections.newSetFromMap(new ConcurrentHashMap<Shape, Boolean>()); allShapes = Collections.newSetFromMap(new ConcurrentHashMap<Shape, Boolean>()); // TODO: sort out which data structures actually have to support concurrency layerContents = new ConcurrentHashMap<Integer, java.util.List<Shape>>(); layers = new CopyOnWriteArrayList<Integer>(); layerOf = new ConcurrentHashMap<Shape, Integer>(); counters = new ArrayList<Counter>(); Mouse mouse = new Mouse(); if (applet) { addMouseMotionListener(mouse); addMouseListener(mouse); addKeyListener(new Keyboard()); } else { frame = new JFrame(); frame.addMouseMotionListener(mouse); frame.addMouseListener(mouse); frame.addKeyListener(new Keyboard()); frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE); } setDefaults(); }
void makeFrame() { JPanel p = new JPanel(); p.setBackground(Color.blue); p.setLayout(new BorderLayout(0, 0)); p.setBorder(new EmptyBorder(0, GAP, GAP, GAP)); days.setFont(BIG); days.setForeground(COLOR); p.add(days, "North"); left.setFont(NORM); left.setForeground(COLOR); p.add(left, "South"); JFrame f = new JFrame("Sayaç"); // a window f.setDefaultCloseOperation(JFrame.DISPOSE_ON_CLOSE); f.setContentPane(p); setDate(); f.pack(); // minimal size f.setVisible(true); // show f.addWindowListener( new WindowAdapter() { public void windowClosing(WindowEvent e) { stop(); } }); }
public static void main(String[] args) { final Browser browser = new Browser(); BrowserView browserView = new BrowserView(browser); final JTextField addressBar = new JTextField("http://www.teamdev.com/jxbrowser"); addressBar.addActionListener( new ActionListener() { @Override public void actionPerformed(ActionEvent e) { browser.loadURL(addressBar.getText()); } }); JPanel addressPane = new JPanel(new BorderLayout()); addressPane.add(new JLabel(" URL: "), BorderLayout.WEST); addressPane.add(addressBar, BorderLayout.CENTER); JFrame frame = new JFrame("JxBrowser - Hello World"); frame.setDefaultCloseOperation(WindowConstants.EXIT_ON_CLOSE); frame.add(addressPane, BorderLayout.NORTH); frame.add(browserView, BorderLayout.CENTER); frame.setSize(800, 500); frame.setLocationRelativeTo(null); frame.setVisible(true); browser.loadURL(addressBar.getText()); }
/** * This method starts the GUI. * * @throws CoapException Thrown, if the connection to obix via CoAP fails. */ public void runGui() throws CoapException { this.lobby = obixChannel.getLobby(obixChannel.getLobbyUri()); // Create and set up the window. mainFrame = new JFrame("ObixConnector at " + obixChannel.getBaseUri() + ": " + obixChannel.getPort()); mainFrame.setDefaultCloseOperation(WindowConstants.DISPOSE_ON_CLOSE); mainFrame.setExtendedState(JFrame.MAXIMIZED_BOTH); mainFrame.setUndecorated(false); mainFrame.addWindowListener( new WindowAdapter() { @Override public void windowClosing(WindowEvent e) { close(); } }); Container contentPane = mainFrame.getContentPane(); // Create and set up the content pane. this.addComponentToPane(contentPane); // Display the window. mainFrame.pack(); executor.execute(updateThread); connector.addRunAndStopAble(updateThread); mainFrame.setVisible(true); }
public static void main(final String[] args) { JFrame frame = new JFrame("Credit calculator"); frame.setContentPane(new HypothecCalculator().mainPanel); frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE); frame.pack(); frame.setVisible(true); }
public ObserverPattern() { root = null; // window = new JFrame(); width = 400; height = 400; window = new JFrame("New Window"); // controllwin = new JFrame("Controll"); // controllwin.setLayout(new FlowLayout()); JButton b = new JButton("Értéket ad"); tf = new JTextField(); b.addActionListener( new ActionListener() { public void actionPerformed(ActionEvent e) { // controlwindow.removeAll(); if (!ertad()) { tf.setText("Nem megfelelo parameter!!"); } } }); /*controllwin.add(tf); controllwin.add(b); controllwin.setSize(100,50); controllwin.setVisible(true); controllwin.pack();*/ window.setLayout(new FlowLayout()); window.setDefaultCloseOperation(WindowConstants.EXIT_ON_CLOSE); window.setSize(width, height); window.setVisible(true); }