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This article mainly introduces "javaSwing how to write the prompt box for closing the window". In the daily operation, I believe that many people have doubts about how to write the prompt box for closing the window in javaSwing. The editor consulted all kinds of materials and sorted out a simple and easy-to-use operation method. I hope it will be helpful to answer the question of "how to write the prompt box for closing window in javaSwing". Next, please follow the editor to study!

JavaSwing write the prompt box to close the window

First write a sentence in the initialization of the initUI () of the form

/ / closed event this.setDefaultCloseOperation (JFrame.DO_NOTHING_ON_CLOSE)

The purpose of this statement is to do nothing when the form is closed, but to start the following method, which must be written in the listener in bindevent

Java swing prompt box

You can use JoptionPane:

There are several prompt boxes:

The first JOptionPane.showMessageDialog (jPanel, "prompt message", "title", JOptionPane.WARNING_MESSAGE)

The second int n = JOptionPane.showConfirmDialog (null, "are you happy?", "title", JOptionPane.YES_NO_OPTION); / / returns the button's index iTunes 0 or 1.

The third Object [] obj2 = {"football", "basketball", "table tennis"}; String s = (String) JOptionPane.showInputDialog (null, "Please choose your hobby:\ n", "hobby", JOptionPane.PLAIN_MESSAGE, new ImageIcon ("icon.png"), obj2, "football")

At this point, the study on "how to write the prompt box for javaSwing to close the window" is over. I hope to be able to solve your doubts. The collocation of theory and practice can better help you learn, go and try it! If you want to continue to learn more related knowledge, please continue to follow the website, the editor will continue to work hard to bring you more practical articles!

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