Can I have a textfield inside a label?

Use a ‘composite component’ by adding the required parts to a JPanel. E.G.

TimeBeforeClass

import java.awt.FlowLayout;
import javax.swing.*;

class TimeBeforeClass {

    public static void main(String[] args) {
        SwingUtilities.invokeLater(new Runnable() {
            public void run() {
                JPanel gui = new JPanel(new FlowLayout(FlowLayout.LEFT, 3,3));
                gui.add(new JLabel("Open"));
                gui.add(new JSpinner(new SpinnerNumberModel(15,0,20,1)));
                gui.add(new JLabel("minutes before class"));
                JOptionPane.showMessageDialog(null, gui);
            }
        });
    }
}

Note that I swapped the ‘textfield’ for a JSpinner – a more suitable component for selecting ‘time in minutes’.

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