Java swing event enter key

In a Java Swing application, you can use an ActionListener to listen for events such as the pressing of the Enter key.

Here's an example of how to add an ActionListener to a JTextField object that listens for the pressing of the Enter key:

JTextField textField = new JTextField();
textField.addActionListener(new ActionListener() {
    @Override
    public void actionPerformed(ActionEvent e) {
        // Code to be executed when the Enter key is pressed
    }
});

In this example, we're creating a new JTextField object and then using the addActionListener method to add an ActionListener to the text field. The ActionListener has an actionPerformed method that is called when the Enter key is pressed while the text field has focus.

You can put any code you want to execute when the Enter key is pressed inside the actionPerformed method. For example, you can use the getText method of the JTextField class to get the text entered by the user:

String text = textField.getText();

You can find more information about the JTextField class and how to use it in Java Swing applications in the Java documentation.