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Why I can't use JOptionPane ?

JOptionPane doesn't work

21st Oct 2019, 4:57 AM
Gehad
3 Antworten
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you forget the import ?
21st Oct 2019, 5:43 AM
Taste
Taste - avatar
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It print Time limit exceeded. Although I write the import
21st Oct 2019, 7:55 AM
Gehad
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ooh in sololearn ? you cant do any gui programming here yet. since your code are running in sololearn server, not your device
21st Oct 2019, 7:57 AM
Taste
Taste - avatar