import java.awt.*; import java.awt.event.*; import javax.swing.*; public class SwingControlDemo { private JFrame mainFrame; private JLabel headerLabel; private JLabel statusLabel; private JPanel controlPanel; public SwingControlDemo(){ prepareGUI(); } public static void main(String[] args){ SwingControlDemo swingControlDemo = new SwingControlDemo(); swingControlDemo.showTextFieldDemo(); } private void prepareGUI(){ mainFrame = new JFrame("Java Swing Examples"); mainFrame.setSize(400,400); mainFrame.setLayout(new GridLayout(3, 1)); mainFrame.addWindowListener(new WindowAdapter() { public void windowClosing(WindowEvent windowEvent){ System.exit(0); } }); headerLabel = new JLabel("", JLabel.CENTER); statusLabel = new JLabel("",JLabel.CENTER); statusLabel.setSize(350,100); controlPanel = new JPanel(); controlPanel.setLayout(new FlowLayout()); mainFrame.add(headerLabel); mainFrame.add(controlPanel); mainFrame.add(statusLabel); mainFrame.setVisible(true); } private void showTextFieldDemo(){ headerLabel.setText("Control in action: JTextField"); JLabel namelabel= new JLabel("User ID: ", JLabel.RIGHT); JLabel passwordLabel = new JLabel("Password: ", JLabel.CENTER); final JTextField userText = new JTextField(6); final JPasswordField passwordText = new JPasswordField(6); JButton loginButton = new JButton("Login"); loginButton.addActionListener(new ActionListener() { public void actionPerformed(ActionEvent e) { String data = "Username " + userText.getText(); data += ", Password: " + new String(passwordText.getPassword()); statusLabel.setText(data); } }); controlPanel.add(namelabel); controlPanel.add(userText); controlPanel.add(passwordLabel); controlPanel.add(passwordText); controlPanel.add(loginButton); mainFrame.setVisible(true); } }
Java program to Demonstrate JTextField.
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December 22, 2019
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