📄 e745. creating a multiline label for a jbutton component.txt

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A button label can show simple HTML tags when surrounded by the tags <HTML> and </HTML>. This example shows how to create multiple lines by using the <BR> tag. See the javax.swing.text.html.HTML class documentation for a list of supported tags. 
    String label = "<html>"+"This is a"+"<br>"+"swing button"+"</html>";
    
    // Create an action with the label
    Action action = new AbstractAction(label) {
        // This method is called when the button is pressed
        public void actionPerformed(ActionEvent evt) {
            // Perform action
        }
    };
    
    // Create the button
    JButton button = new JButton(action);

By default, the lines are left justified. This label text will center the lines: 
    button.setText("<html><center>"+"This is a"+"<br>"+"swing button"+"</center></html>");

This label text italicizes the second line: 
    button.setText("<html>"+"This is a"+"<br><i>"+"swing button"+"</i></html>");

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