这是什么错误，我在G盘中已经建立了ul.txt文件

Question

Answer 1

根据java api如果name是一个路径而不是文件或者文件不能打开或抛出FileNotFoundException,应该把G:\\ul改成G:\\ul.txt

Answer 2

在代码里把文件的后缀名也加上，比如ui.txt

Answer 3

https://www.imooc.com/wenda/detail/337535https://www.imooc.com/wenda/detail/354319https://www.imooc.com/wenda/detail/355069https://www.imooc.com/wenda/detail/340767https://www.imooc.com/wenda/detail/352136https://www.imooc.com/wenda/detail/334821https://www.imooc.com/wenda/detail/333453https://www.imooc.com/wenda/detail/336124https://www.imooc.com/wenda/detail/341818https://www.imooc.com/wenda/detail/352651https://www.imooc.com/wenda/detail/332880https://www.imooc.com/wenda/detail/343435https://www.imooc.com/wenda/detail/348758https://www.imooc.com/wenda/detail/332041https://www.imooc.com/wenda/detail/342382https://www.imooc.com/wenda/detail/340462https://www.imooc.com/wenda/detail/347075https://www.imooc.com/wenda/detail/349225https://www.imooc.com/wenda/detail/336899https://www.imooc.com/wenda/detail/343511https://www.imooc.com/wenda/detail/332795https://www.imooc.com/wenda/detail/340083https://www.imooc.com/wenda/detail/354926https://www.imooc.com/wenda/detail/340260https://www.imooc.com/wenda/detail/354559https://www.imooc.com/wenda/detail/349938https://www.imooc.com/wenda/detail/342831https://www.imooc.com/wenda/detail/335150https://www.imooc.com/wenda/detail/352870https://www.imooc.com/wenda/detail/344293https://www.imooc.com/wenda/detail/342133https://www.imooc.com/wenda/detail/333978https://www.imooc.com/wenda/detail/352130https://www.imooc.com/wenda/detail/345664https://www.imooc.com/wenda/detail/351958https://www.imooc.com/wenda/detail/334432https://www.imooc.com/wenda/detail/353707https://www.imooc.com/wenda/detail/343242https://www.imooc.com/wenda/detail/345893https://www.imooc.com/wenda/detail/339120https://www.imooc.com/wenda/detail/348757https://www.imooc.com/wenda/detail/337710https://www.imooc.com/wenda/detail/340867https://www.imooc.com/wenda/detail/337894https://www.imooc.com/wenda/detail/352596https://www.imooc.com/wenda/detail/347069https://www.imooc.com/wenda/detail/340507https://www.imooc.com/wenda/detail/335633https://www.imooc.com/wenda/detail/385465https://www.imooc.com/wenda/detail/356461https://www.imooc.com/wenda/detail/383702https://www.imooc.com/wenda/detail/427736https://www.imooc.com/wenda/detail/345263https://www.imooc.com/wenda/detail/335952https://www.imooc.com/wenda/detail/362909https://www.imooc.com/wenda/detail/363064https://www.imooc.com/wenda/detail/357202https://www.imooc.com/wenda/detail/352241https://www.imooc.com/wenda/detail/389524https://www.imooc.com/wenda/detail/357004https://www.imooc.com/wenda/detail/363021https://www.imooc.com/wenda/detail/389285https://www.imooc.com/wenda/detail/388923https://www.imooc.com/wenda/detail/386956https://www.imooc.com/wenda/detail/388295https://www.imooc.com/wenda/detail/381198https://www.imooc.com/wenda/detail/378405https://www.imooc.com/wenda/detail/335478https://www.imooc.com/wenda/detail/353723https://www.imooc.com/wenda/detail/387096https://www.imooc.com/wenda/detail/337186https://www.imooc.com/wenda/detail/386052https://www.imooc.com/wenda/detail/388260https://www.imooc.com/wenda/detail/342058https://www.imooc.com/wenda/detail/382158https://www.imooc.com/wenda/detail/357247https://www.imooc.com/wenda/detail/394329https://www.imooc.com/wenda/detail/344251https://www.imooc.com/wenda/detail/337680https://www.imooc.com/wenda/detail/382119

Answer 4

https://www.imooc.com/wenda/detail/337535https://www.imooc.com/wenda/detail/354319https://www.imooc.com/wenda/detail/355069https://www.imooc.com/wenda/detail/340767https://www.imooc.com/wenda/detail/352136https://www.imooc.com/wenda/detail/334821https://www.imooc.com/wenda/detail/333453https://www.imooc.com/wenda/detail/336124https://www.imooc.com/wenda/detail/341818https://www.imooc.com/wenda/detail/352651https://www.imooc.com/wenda/detail/332880https://www.imooc.com/wenda/detail/343435https://www.imooc.com/wenda/detail/348758https://www.imooc.com/wenda/detail/332041https://www.imooc.com/wenda/detail/342382https://www.imooc.com/wenda/detail/340462https://www.imooc.com/wenda/detail/347075https://www.imooc.com/wenda/detail/349225https://www.imooc.com/wenda/detail/336899https://www.imooc.com/wenda/detail/343511https://www.imooc.com/wenda/detail/332795https://www.imooc.com/wenda/detail/340083https://www.imooc.com/wenda/detail/354926https://www.imooc.com/wenda/detail/340260https://www.imooc.com/wenda/detail/354559https://www.imooc.com/wenda/detail/349938https://www.imooc.com/wenda/detail/342831https://www.imooc.com/wenda/detail/335150https://www.imooc.com/wenda/detail/352870https://www.imooc.com/wenda/detail/344293https://www.imooc.com/wenda/detail/342133https://www.imooc.com/wenda/detail/333978https://www.imooc.com/wenda/detail/352130https://www.imooc.com/wenda/detail/345664https://www.imooc.com/wenda/detail/351958https://www.imooc.com/wenda/detail/334432https://www.imooc.com/wenda/detail/353707https://www.imooc.com/wenda/detail/343242https://www.imooc.com/wenda/detail/345893https://www.imooc.com/wenda/detail/339120https://www.imooc.com/wenda/detail/348757https://www.imooc.com/wenda/detail/337710https://www.imooc.com/wenda/detail/340867https://www.imooc.com/wenda/detail/337894https://www.imooc.com/wenda/detail/352596https://www.imooc.com/wenda/detail/347069https://www.imooc.com/wenda/detail/340507https://www.imooc.com/wenda/detail/335633https://www.imooc.com/wenda/detail/385465https://www.imooc.com/wenda/detail/356461https://www.imooc.com/wenda/detail/383702https://www.imooc.com/wenda/detail/427736https://www.imooc.com/wenda/detail/345263https://www.imooc.com/wenda/detail/335952https://www.imooc.com/wenda/detail/362909https://www.imooc.com/wenda/detail/363064https://www.imooc.com/wenda/detail/357202https://www.imooc.com/wenda/detail/352241https://www.imooc.com/wenda/detail/389524https://www.imooc.com/wenda/detail/357004https://www.imooc.com/wenda/detail/363021https://www.imooc.com/wenda/detail/389285https://www.imooc.com/wenda/detail/388923https://www.imooc.com/wenda/detail/386956https://www.imooc.com/wenda/detail/388295https://www.imooc.com/wenda/detail/381198https://www.imooc.com/wenda/detail/378405https://www.imooc.com/wenda/detail/335478https://www.imooc.com/wenda/detail/353723https://www.imooc.com/wenda/detail/387096https://www.imooc.com/wenda/detail/337186https://www.imooc.com/wenda/detail/386052https://www.imooc.com/wenda/detail/388260https://www.imooc.com/wenda/detail/342058https://www.imooc.com/wenda/detail/382158https://www.imooc.com/wenda/detail/357247https://www.imooc.com/wenda/detail/394329https://www.imooc.com/wenda/detail/344251https://www.imooc.com/wenda/detail/337680https://www.imooc.com/wenda/detail/382119

Answer 5

https://www.imooc.com/wenda/detail/354460https://www.imooc.com/wenda/detail/352350https://www.imooc.com/wenda/detail/351191https://www.imooc.com/wenda/detail/350581https://www.imooc.com/wenda/detail/332387https://www.imooc.com/wenda/detail/353967https://www.imooc.com/wenda/detail/352131https://www.imooc.com/wenda/detail/345600https://www.imooc.com/wenda/detail/334351https://www.imooc.com/wenda/detail/340464https://www.imooc.com/wenda/detail/340237https://www.imooc.com/wenda/detail/354558https://www.imooc.com/wenda/detail/350435https://www.imooc.com/wenda/detail/351520https://www.imooc.com/wenda/detail/350263https://www.imooc.com/wenda/detail/345443https://www.imooc.com/wenda/detail/338696https://www.imooc.com/wenda/detail/355679https://www.imooc.com/wenda/detail/347288https://www.imooc.com/wenda/detail/356018https://www.imooc.com/wenda/detail/337637https://www.imooc.com/wenda/detail/350455https://www.imooc.com/wenda/detail/339329https://www.imooc.com/wenda/detail/353208https://www.imooc.com/wenda/detail/342198https://www.imooc.com/wenda/detail/336074https://www.imooc.com/wenda/detail/337879https://www.imooc.com/wenda/detail/348278https://www.imooc.com/wenda/detail/354163https://www.imooc.com/wenda/detail/354844https://www.imooc.com/wenda/detail/346817https://www.imooc.com/wenda/detail/352374https://www.imooc.com/wenda/detail/344778https://www.imooc.com/wenda/detail/341061https://www.imooc.com/wenda/detail/353197https://www.imooc.com/wenda/detail/337651https://www.imooc.com/wenda/detail/353682https://www.imooc.com/wenda/detail/355047https://www.imooc.com/wenda/detail/356267https://www.imooc.com/wenda/detail/334247https://www.imooc.com/wenda/detail/332789https://www.imooc.com/wenda/detail/349348https://www.imooc.com/wenda/detail/336262https://www.imooc.com/wenda/detail/349813https://www.imooc.com/wenda/detail/353648https://www.imooc.com/wenda/detail/345359https://www.imooc.com/wenda/detail/348801https://www.imooc.com/wenda/detail/340448https://www.imooc.com/wenda/detail/333143https://www.imooc.com/wenda/detail/339586https://www.imooc.com/wenda/detail/336979https://www.imooc.com/wenda/detail/354523https://www.imooc.com/wenda/detail/351368https://www.imooc.com/wenda/detail/354380https://www.imooc.com/wenda/detail/346071https://www.imooc.com/wenda/detail/337509https://www.imooc.com/wenda/detail/333525https://www.imooc.com/wenda/detail/347755https://www.imooc.com/wenda/detail/344719https://www.imooc.com/wenda/detail/345456https://www.imooc.com/wenda/detail/333419https://www.imooc.com/wenda/detail/332623https://www.imooc.com/wenda/detail/351454https://www.imooc.com/wenda/detail/338447https://www.imooc.com/wenda/detail/348750https://www.imooc.com/wenda/detail/343398https://www.imooc.com/wenda/detail/336253https://www.imooc.com/wenda/detail/337438https://www.imooc.com/wenda/detail/351515https://www.imooc.com/wenda/detail/355345https://www.imooc.com/wenda/detail/343313https://www.imooc.com/wenda/detail/337074https://www.imooc.com/wenda/detail/346754https://www.imooc.com/wenda/detail/334359https://www.imooc.com/wenda/detail/336333https://www.imooc.com/wenda/detail/338754https://www.imooc.com/wenda/detail/349690https://www.imooc.com/wenda/detail/349620https://www.imooc.com/wenda/detail/337950https://www.imooc.com/wenda/detail/340380

Answer 6

https://www.imooc.com/wenda/detail/337535 https://www.imooc.com/wenda/detail/354319 https://www.imooc.com/wenda/detail/355069 https://www.imooc.com/wenda/detail/340767 https://www.imooc.com/wenda/detail/352136 https://www.imooc.com/wenda/detail/334821 https://www.imooc.com/wenda/detail/333453 https://www.imooc.com/wenda/detail/336124 https://www.imooc.com/wenda/detail/341818 https://www.imooc.com/wenda/detail/352651 https://www.imooc.com/wenda/detail/332880 https://www.imooc.com/wenda/detail/343435 https://www.imooc.com/wenda/detail/348758 https://www.imooc.com/wenda/detail/332041 https://www.imooc.com/wenda/detail/342382 https://www.imooc.com/wenda/detail/340462 https://www.imooc.com/wenda/detail/347075 https://www.imooc.com/wenda/detail/349225 https://www.imooc.com/wenda/detail/336899 https://www.imooc.com/wenda/detail/343511 https://www.imooc.com/wenda/detail/332795 https://www.imooc.com/wenda/detail/340083 https://www.imooc.com/wenda/detail/354926 https://www.imooc.com/wenda/detail/340260 https://www.imooc.com/wenda/detail/354559 https://www.imooc.com/wenda/detail/349938 https://www.imooc.com/wenda/detail/342831 https://www.imooc.com/wenda/detail/335150 https://www.imooc.com/wenda/detail/352870 https://www.imooc.com/wenda/detail/344293 https://www.imooc.com/wenda/detail/342133 https://www.imooc.com/wenda/detail/333978 https://www.imooc.com/wenda/detail/352130 https://www.imooc.com/wenda/detail/345664 https://www.imooc.com/wenda/detail/351958 https://www.imooc.com/wenda/detail/334432 https://www.imooc.com/wenda/detail/353707 https://www.imooc.com/wenda/detail/343242 https://www.imooc.com/wenda/detail/345893 https://www.imooc.com/wenda/detail/339120 https://www.imooc.com/wenda/detail/348757 https://www.imooc.com/wenda/detail/337710 https://www.imooc.com/wenda/detail/340867 https://www.imooc.com/wenda/detail/337894 https://www.imooc.com/wenda/detail/352596 https://www.imooc.com/wenda/detail/347069 https://www.imooc.com/wenda/detail/340507 https://www.imooc.com/wenda/detail/335633 https://www.imooc.com/wenda/detail/385465 https://www.imooc.com/wenda/detail/356461 https://www.imooc.com/wenda/detail/383702 https://www.imooc.com/wenda/detail/427736 https://www.imooc.com/wenda/detail/345263 https://www.imooc.com/wenda/detail/335952 https://www.imooc.com/wenda/detail/362909 https://www.imooc.com/wenda/detail/363064 https://www.imooc.com/wenda/detail/357202 https://www.imooc.com/wenda/detail/352241 https://www.imooc.com/wenda/detail/389524 https://www.imooc.com/wenda/detail/357004 https://www.imooc.com/wenda/detail/363021 https://www.imooc.com/wenda/detail/389285 https://www.imooc.com/wenda/detail/388923 https://www.imooc.com/wenda/detail/386956 https://www.imooc.com/wenda/detail/388295 https://www.imooc.com/wenda/detail/381198 https://www.imooc.com/wenda/detail/378405 https://www.imooc.com/wenda/detail/335478 https://www.imooc.com/wenda/detail/353723 https://www.imooc.com/wenda/detail/387096 https://www.imooc.com/wenda/detail/337186 https://www.imooc.com/wenda/detail/386052 https://www.imooc.com/wenda/detail/388260 https://www.imooc.com/wenda/detail/342058 https://www.imooc.com/wenda/detail/382158 https://www.imooc.com/wenda/detail/357247 https://www.imooc.com/wenda/detail/394329 https://www.imooc.com/wenda/detail/344251 https://www.imooc.com/wenda/detail/337680 https://www.imooc.com/wenda/detail/382119

Answer 7

改了也没用