2nd Feb 2018, 7:33 PM
Rostislav
Rostislav - avatar
2 Answers
+ 1
Sololearn's java interpreter doesn't have swing, which is what your program is using, thats why it doesn't work
2nd Feb 2018, 8:00 PM
voidneo
+ 1
Thank you!
2nd Feb 2018, 8:00 PM
Rostislav
Rostislav - avatar