Java Swing - Frames

Question

Good afternoon everyone

I'm trying to create a java applet using Swing, however I am not able to leave a background frame. I have two frames and wanted to click a button to leave this in the background frame and open a new frame without having to dispose of the former. But I do not want it to be possible to return aa previous frame and novamento click the same button to open another frame. I wanted to do something like a JOptionPane.showMessageDialog but call a frame.

Could someone help me