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Setting Focus Traversal Keys for the Entire Application

import java.awt.AWTKeyStroke; import java.awt.KeyboardFocusManager; import java.util.HashSet; import java.util.Set; import javax.swing.KeyStroke; public class Main {   public static void main(String[] argv) throws Exception {     Set<AWTKeyStroke> set = new HashSet<AWTKeyStroke>(KeyboardFocusManager         .getCurrentKeyboardFocusManager().getDefaultFocusTraversalKeys(             KeyboardFocusManager.FORWARD_TRAVERSAL_KEYS));     set.add(KeyStroke.getKeyStroke("F2"));     KeyboardFocusManager.getCurrentKeyboardFocusManager().setDefaultFocusTraversalKeys(         KeyboardFocusManager.FORWARD_TRAVERSAL_KEYS, set);   } }