final JButton btn = new JButton("Click Me!");
JTextField txt = new JTextField(10);
InputMap inputMap = txt.getInputMap(JComponent.WHEN_IN_FOCUSED_WINDOW);
ActionMap actionMap = txt.getActionMap();
inputMap.put(KeyStroke.getKeyStroke(KeyEvent.VK_ENTER, 0), 13);
actionMap.put(13, new AbstractAction()
{
public void actionPerformed(ActionEvent e)
{
btn.doClick();
}
});
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