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Sharing an InputMap or an ActionMap Between Two Components

import java.awt.event.ActionEvent; import javax.swing.AbstractAction; import javax.swing.ActionMap; import javax.swing.InputMap; import javax.swing.JButton; import javax.swing.JComponent; import javax.swing.JTextArea; import javax.swing.KeyStroke; import javax.swing.text.JTextComponent; public class Main {   public static void main(String[] argv) {     InputMap im = new JTextArea().getInputMap(JComponent.WHEN_FOCUSED);     im.put(KeyStroke.getKeyStroke("F2"), "actionName");     ActionMap am = new JTextArea().getActionMap();     am.put("actionName", new AbstractAction("actionName") {       public void actionPerformed(ActionEvent evt) {         System.out.println((JTextComponent) evt.getSource());       }     });     im.put(KeyStroke.getKeyStroke("F3"), "actionName2");     am.put("actionName2", new AbstractAction("actionName2") {       public void actionPerformed(ActionEvent evt) {         System.out.println((JTextComponent) evt.getSource());       }     });     JButton component1 = new JButton("button 1");     JButton component2 = new JButton("button 2");     component1.setInputMap(JComponent.WHEN_FOCUSED, im);     component2.setInputMap(JComponent.WHEN_FOCUSED, im);     component1.setActionMap(am);     component2.setActionMap(am);   } }