Alert in JAVA FX

Question

I want to display an alert when a file already exists when trying to create the file with same name . I have not completed the code fully. I want to retrieve the button value Ye

Answer 1

Simply use the Alert class. It provides functionality for most yes/no dialogs that you ever need.

Alert alert = new Alert(AlertType.WARNING, 
                        "File already exists. Do you want to override?", 
                        ButtonType.YES, ButtonType.NO);

Optional result = alert.showAndWait();
if (result.get() == ButtonType.YES){
    // ... user chose YES
} else {
    // ... user chose NO or closed the dialog
}

Also here is a good tutorial.