7.SWING AND EVENT HANDLING IN JAVA
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import java.awt.*; import java.awt.event.*; import javax.swing.*; public class SwingDemo { private JFrame mainFrame; private JLabel headerLabel; private JLabel statusLabel; private JPanel controlPanel; public SwingDemo() { prepareGUI(); } public static void main(String[] args) { SwingDemo swingControlDemo = new SwingDemo(); swingControlDemo.showEventDemo(); } private void prepareGUI() { mainFrame = new JFrame("Java SWING Examples"); mainFrame.setSize(400,400); mainFrame.setLayout(new GridLayout(3, 1)); headerLabel = new JLabel("",JLabel.CENTER ); statusLabel = new JLabel("",JLabel.CENTER); statusLabel.setSize(350,100); mainFrame.addWindowListener(new WindowAdapter() { public void windowClosing(WindowEvent windowEvent) { System.exit(0); } }); controlPanel = new JPanel(); controlPanel.setLayout(new FlowLayout()); mainFrame.add(headerLabel); mainFrame.add(controlPanel); mainFrame.add(statusLabel); mainFrame.setVisible(true); } private void showEventDemo() ...
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