public FormatTestFrame() { JPanel buttonPanel = new JPanel(); okButton = new JButton("Ok"); buttonPanel.add(okButton); add(buttonPanel, BorderLayout.SOUTH); mainPanel = new JPanel(); mainPanel.setLayout(new GridLayout(0, 3)); add(mainPanel, BorderLayout.CENTER); JFormattedTextField intField = new JFormattedTextField(NumberFormat.getIntegerInstance()); intField.setValue(new Integer(100)); addRow("Number:", intField); JFormattedTextField intField2 = new JFormattedTextField(NumberFormat.getIntegerInstance()); intField2.setValue(new Integer(100)); intField2.setFocusLostBehavior(JFormattedTextField.COMMIT); addRow("Number (Commit behavior):", intField2); JFormattedTextField intField3 = new JFormattedTextField( new InternationalFormatter(NumberFormat.getIntegerInstance()) { protected DocumentFilter getDocumentFilter() { return filter; } }); intField3.setValue(new Integer(100)); addRow("Filtered Number", intField3); JFormattedTextField intField4 = new JFormattedTextField(NumberFormat.getIntegerInstance()); intField4.setValue(new Integer(100)); intField4.setInputVerifier( new InputVerifier() { public boolean verify(JComponent component) { JFormattedTextField field = (JFormattedTextField) component; return field.isEditValid(); } }); addRow("Verified Number:", intField4); JFormattedTextField currencyField = new JFormattedTextField(NumberFormat.getCurrencyInstance()); currencyField.setValue(new Double(10)); addRow("Currency:", currencyField); JFormattedTextField dateField = new JFormattedTextField(DateFormat.getDateInstance()); dateField.setValue(new Date()); addRow("Date (default):", dateField); DateFormat format = DateFormat.getDateInstance(DateFormat.SHORT); format.setLenient(false); JFormattedTextField dateField2 = new JFormattedTextField(format); dateField2.setValue(new Date()); addRow("Date (short, not lenient):", dateField2); try { DefaultFormatter formatter = new DefaultFormatter(); formatter.setOverwriteMode(false); JFormattedTextField urlField = new JFormattedTextField(formatter); urlField.setValue(new URL("http://java.sun.com")); addRow("URL:", urlField); } catch (MalformedURLException ex) { ex.printStackTrace(); } try { MaskFormatter formatter = new MaskFormatter("###-##-####"); formatter.setPlaceholderCharacter('0'); JFormattedTextField ssnField = new JFormattedTextField(formatter); ssnField.setValue("078-05-1120"); addRow("SSN Mask:", ssnField); } catch (ParseException ex) { ex.printStackTrace(); } JFormattedTextField ipField = new JFormattedTextField(new IPAddressFormatter()); ipField.setValue(new byte[] {(byte) 130, 65, 86, 66}); addRow("IP Address:", ipField); pack(); }
public void actionPerformed(ActionEvent evt) { double interest = balance * rate / 100; balance += interest; NumberFormat formatter = NumberFormat.getCurrencyInstance(); System.out.println("balance=" + formatter.format(balance)); }