/** Show at the middle of the screen */ public void start() { this.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE); this.setLocationRelativeTo(null); this.setVisible(true); circle.requestFocusInWindow(); }
public void focus() { jRadioButton1.requestFocusInWindow(); }
public static void main(String args[]) { JRadioButton rb = new JRadioButton(); rb.getAccessibleContext(); rb.isFocusTraversable(); rb.setEnabled(false); rb.setEnabled(true); rb.requestFocus(); rb.requestFocusInWindow(); rb.getPreferredSize(); rb.getMaximumSize(); rb.getMinimumSize(); rb.contains(1, 2); Component c1 = rb.add(new Component() {}); Component c2 = rb.add(new Component() {}); Component c3 = rb.add(new Component() {}); Insets ins = rb.getInsets(); rb.getAlignmentY(); rb.getAlignmentX(); rb.getGraphics(); rb.setVisible(false); rb.setVisible(true); rb.setForeground(Color.red); rb.setBackground(Color.red); for (String font : Toolkit.getDefaultToolkit().getFontList()) { for (int j = 8; j < 17; j++) { Font f1 = new Font(font, Font.PLAIN, j); Font f2 = new Font(font, Font.BOLD, j); Font f3 = new Font(font, Font.ITALIC, j); Font f4 = new Font(font, Font.BOLD | Font.ITALIC, j); rb.setFont(f1); rb.setFont(f2); rb.setFont(f3); rb.setFont(f4); rb.getFontMetrics(f1); rb.getFontMetrics(f2); rb.getFontMetrics(f3); rb.getFontMetrics(f4); } } rb.enable(); rb.disable(); rb.reshape(10, 10, 10, 10); rb.getBounds(new Rectangle(1, 1, 1, 1)); rb.getSize(new Dimension(1, 2)); rb.getLocation(new Point(1, 2)); rb.getX(); rb.getY(); rb.getWidth(); rb.getHeight(); rb.isOpaque(); rb.isValidateRoot(); rb.isOptimizedDrawingEnabled(); rb.isDoubleBuffered(); rb.getComponentCount(); rb.countComponents(); rb.getComponent(1); rb.getComponent(2); Component[] cs = rb.getComponents(); rb.getLayout(); rb.setLayout(new FlowLayout()); rb.doLayout(); rb.layout(); rb.invalidate(); rb.validate(); rb.remove(0); rb.remove(c2); rb.removeAll(); rb.preferredSize(); rb.minimumSize(); rb.getComponentAt(1, 2); rb.locate(1, 2); rb.getComponentAt(new Point(1, 2)); rb.isFocusCycleRoot(new Container()); rb.transferFocusBackward(); rb.setName("goober"); rb.getName(); rb.getParent(); rb.getGraphicsConfiguration(); rb.getTreeLock(); rb.getToolkit(); rb.isValid(); rb.isDisplayable(); rb.isVisible(); rb.isShowing(); rb.isEnabled(); rb.enable(false); rb.enable(true); rb.enableInputMethods(false); rb.enableInputMethods(true); rb.show(); rb.show(false); rb.show(true); rb.hide(); rb.getForeground(); rb.isForegroundSet(); rb.getBackground(); rb.isBackgroundSet(); rb.getFont(); rb.isFontSet(); Container c = new Container(); c.add(rb); rb.getLocale(); for (Locale locale : Locale.getAvailableLocales()) rb.setLocale(locale); rb.getColorModel(); rb.getLocation(); boolean exceptions = false; try { rb.getLocationOnScreen(); } catch (IllegalComponentStateException e) { exceptions = true; } if (!exceptions) throw new RuntimeException("IllegalComponentStateException did not occur when expected"); rb.location(); rb.setLocation(1, 2); rb.move(1, 2); rb.setLocation(new Point(1, 2)); rb.getSize(); rb.size(); rb.setSize(1, 32); rb.resize(1, 32); rb.setSize(new Dimension(1, 32)); rb.resize(new Dimension(1, 32)); rb.getBounds(); rb.bounds(); rb.setBounds(10, 10, 10, 10); rb.setBounds(new Rectangle(10, 10, 10, 10)); rb.isLightweight(); rb.setCursor(new Cursor(Cursor.CROSSHAIR_CURSOR)); rb.getCursor(); rb.isCursorSet(); rb.inside(1, 2); rb.contains(new Point(1, 2)); rb.isFocusable(); rb.setFocusable(true); rb.setFocusable(false); rb.transferFocus(); rb.getFocusCycleRootAncestor(); rb.nextFocus(); rb.transferFocusUpCycle(); rb.hasFocus(); rb.isFocusOwner(); rb.toString(); rb.setComponentOrientation(ComponentOrientation.LEFT_TO_RIGHT); rb.setComponentOrientation(ComponentOrientation.RIGHT_TO_LEFT); rb.setComponentOrientation(ComponentOrientation.UNKNOWN); rb.getComponentOrientation(); }