<code java>
package dialog;

import javax.swing.JOptionPane;

public class MessageDialogs {
	
	public static String showYesNoDialog(String A_strMessage)
	{
		String strRetVal = new String("");
		Object[] options = {"Yes", "No"};
		int nRetVal = JOptionPane.showOptionDialog(	null,
				A_strMessage,
				"Question",
				JOptionPane.YES_NO_OPTION,
				JOptionPane.QUESTION_MESSAGE,
				null,
				options,
				options[0]);
		
		if(nRetVal == 1)
			strRetVal = "yes";
		else if (nRetVal == 0)
			strRetVal = "no";
			
		return strRetVal;
	}
	
	public static void showInformation(String A_strMessage){
		JOptionPane.showMessageDialog(null, A_strMessage);
	}
}
</code>