DisplayingMultilineMessages.java Source code

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Here is the source code for DisplayingMultilineMessages.java

Source

import javax.swing.Icon;
import javax.swing.ImageIcon;
import javax.swing.JFrame;
import javax.swing.JOptionPane;

import javax.swing.JDialog;
import javax.swing.JOptionPane;

public class DisplayingMultilineMessages {

    public static void main(String[] a) {

        String msg = "<html>this is a really long message<br>this is a really long message this is a really long message this is a really long message this is a really long message this is a really long message this is a really long message";

        JOptionPane optionPane = new NarrowOptionPane();
        optionPane.setMessage(msg);
        optionPane.setMessageType(JOptionPane.INFORMATION_MESSAGE);
        JDialog dialog = optionPane.createDialog(null, "Width 100");
        dialog.setVisible(true);
    }
}

class NarrowOptionPane extends JOptionPane {

    NarrowOptionPane() {
    }

    public int getMaxCharactersPerLineCount() {
        return 100;
    }
}