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What is going on!!!

https://code.sololearn.com/c8yB4HAOk0eM/?ref=app windowClosing() is just a method of an interface then who calls windowClosing() method and how when i pressd closing button of frame. I am confused please help

15th Apr 2020, 4:32 AM
Aniket Kumar Mishra
Aniket Kumar Mishra - avatar
1 Answer