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Author Message
Canhong Huang
Posts: 10
Posted 14:11 Dec 07, 2019 |

Prof. Keenan, I don't know why a NullPointerException occur when I click cancel button of the file chooser. I use try-catch box and I put the button.setOnAction inside the try box and I catch the nullpointerException. But the exception still appears in the console.