How to close a JFrame by other ways

Question

Hey everyone! As you all must know, when we create a window in Java using the JFrame class, the close button appears un the border of it. But ehat if i need to close this window through other ways, like a JButton or even through an ActionEvent? So that's my question, how could i close a window without clicking the border close button.

Answer 1

@DK's Thank you a lot for the answer, it worked perfectlly.