This code illustrates a simple warning dialog.
dialog2.java
import javax.swing.JOptionPane; public class dialog2 { public static void main(String[] args) { String msg; int ans; ans = JOptionPane.showConfirmDialog(null, "Overwrite existing file?","Warning", JOptionPane.YES_NO_OPTION, JOptionPane.WARNING_MESSAGE); msg = "Answer: " + ans; if (ans==JOptionPane.YES_OPTION) msg = "YES"; else if (ans==JOptionPane.NO_OPTION) msg = "NO"; System.out.println(msg); } }
Maintained by John Loomis, updated Wed Mar 18 20:33:18 2020