// Demonstrate JScrollPane.
import java.awt.*;
import javax.swing.*;
/*
<applet code="JScrollPaneDemo" width=300 height=250>
</applet>
*/
public class JScrollPaneDemo extends JApplet {
public void init() {
try {
SwingUtilities.invokeAndWait(
new Runnable() {
public void run() {
makeGUI();
}
}
);
} catch (Exception exc) {
System.out.println("Can't create because of " + exc);
}
}
private void makeGUI() {
// Add 400 buttons to a panel.
JPanel jp = new JPanel();
jp.setLayout(new GridLayout(20, 20));
int b = 0;
for(int i = 0; i < 20; i++) {
for(int j = 0; j < 20; j++) {
jp.add(new JButton("Button " + b));
++b;
}
}
// Create the scroll pane.
JScrollPane jsp = new JScrollPane(jp);
// Add the scroll pane to the content pane.
// Because the default border layout is used,
// the scroll pane will be added to the center.
add(jsp, BorderLayout.CENTER);
}
}