KeyboardFocusManager.FORWARD_TRAVERSAL_KEYS has the following syntax.
public static final int FORWARD_TRAVERSAL_KEYS
In the following code shows how to use KeyboardFocusManager.FORWARD_TRAVERSAL_KEYS field.
import java.awt.AWTKeyStroke; import java.awt.KeyboardFocusManager; import java.util.HashSet; import java.util.Set; //w ww . java 2 s . c o m import javax.swing.JButton; import javax.swing.KeyStroke; public class Main { public static void main(String[] argv) throws Exception { JButton component = new JButton("a"); Set<AWTKeyStroke> set = new HashSet<AWTKeyStroke>(component .getFocusTraversalKeys(KeyboardFocusManager.FORWARD_TRAVERSAL_KEYS)); set.add(KeyStroke.getKeyStroke("F2")); component.setFocusTraversalKeys(KeyboardFocusManager.FORWARD_TRAVERSAL_KEYS, set); } }