Java tutorial
import java.awt.BorderLayout; import java.awt.event.KeyEvent; import java.io.FileReader; import java.io.IOException; import javax.swing.JButton; import javax.swing.JFrame; import javax.swing.JLabel; import javax.swing.JPanel; import javax.swing.JTextField; public class LabelSampleLoadText { public static void main(String args[]) { JFrame frame = new JFrame("Label Focus Example"); frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE); JPanel panel = new JPanel(new BorderLayout()); JLabel label = new JLabel("Name: "); label.setDisplayedMnemonic(KeyEvent.VK_N); JTextField textField = new JTextField(); label.setLabelFor(textField); panel.add(label, BorderLayout.WEST); panel.add(textField, BorderLayout.CENTER); frame.add(panel, BorderLayout.NORTH); frame.add(new JButton("Somewhere Else"), BorderLayout.SOUTH); frame.setSize(250, 150); frame.setVisible(true); FileReader reader = null; try { String filename = "test.txt"; reader = new FileReader(filename); textField.read(reader, filename); } catch (IOException exception) { System.err.println("Load oops"); } finally { if (reader != null) { try { reader.close(); } catch (IOException exception) { System.err.println("Error closing reader"); exception.printStackTrace(); } } } } }