How to present a simple alert message in java?

Question

Coming from .NET i am so used calling Alert() in desktop apps. However in this java desktop app, I just want to alert a message saying \"thank you for using java\" I have to

Answer 1

Assuming you already have a JFrame to call this from:

JOptionPane.showMessageDialog(frame, "thank you for using java");

See The Java Tutorials: How to Make Dialogs
See the JavaDoc