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import java.awt.Container;
import java.awt.GridLayout;
import javax.swing.JButton;
import javax.swing.JFrame;
public class NextComponentSample {
public static void main(String args[]) {
JFrame frame = new JFrame("Next Component Sample");
Container contentPane = frame.getContentPane();
contentPane.setLayout(new GridLayout(3, 3));
int COUNT = 9;
JButton components[] = new JButton[COUNT];
for (int i = 0; i < COUNT; i++) {
JButton button = new JButton("" + (i + 1));
components[i] = button;
contentPane.add(button);
}
for (int i = 0; i < COUNT; i++) {
System.out.println(components[i].getText() + ":" + components[(i + COUNT - 1) % COUNT].getText());
components[i].setNextFocusableComponent(components[(i + COUNT - 1)% COUNT]);
}
frame.setSize(300, 200);
frame.setVisible(true);
}
}
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