ClosingWindow by clicking on a Button

Question

Hello,
I have created a Window with to Buttons "A" & "B". How can I make sure that when I click on the button "A" that a new Window opens and the window where "A" is in Closes. And when I click "B" the window closes, like a cancel button for example.
Who can give me a tip to solve this problem.
I.G.

Answer 1

Add an ActionListener to your buttons and in the actionPerformed method see which button was pressed and do the stuff.
public void actionPerformed(ActionEvent ae) {
     if(ae.getActionCommand().equals("Cancel"))
        myWindow.setVisible(false);
} like that..