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10.classMakeFile{11.publicstaticvoidmain(String[]args){12.try{13.Filedirectory=newFile(”d”);14.Filefile=newFile(directory,”f”);15.if(!file.exists()){16.file.createNewFile();17.}18.}catch(IOExceptione){19.e.printStackTrace20.}21.}22.}ThecurrentdirectorydoesNOTcontainadirectorynamedd.”Whichthreearetrue?()

A.Line16isneverexecuted.

B.Anexceptionisthrownatruntime.

C.Line13createsaFileobjectnamed“d”.

D.Line14createsaFileobjectnamed“f?.

E.Line13createsadirectorynamed“d”inthefilesystem.

F.Line16createsadirectorynamed“d”andafile “f” withinitinthefilesystem.

G.Line14createsafilenamed"f " insideofthedirectorynamed“d”inthefilesystem.


参考答案

更多 “ 10.classMakeFile{11.publicstaticvoidmain(String[]args){12.try{13.Filedirectory=newFile(”d”);14.Filefile=newFile(directory,”f”);15.if(!file.exists()){16.file.createNewFile();17.}18.}catch(IOExceptione){19.e.printStackTrace20.}21.}22.}ThecurrentdirectorydoesNOTcontainadirectorynamedd.”Whichthreearetrue?()A.Line16isneverexecuted.B.Anexceptionisthrownatruntime.C.Line13createsaFileobjectnamed“d”.D.Line14createsaFileobjectnamed“f?.E.Line13createsadirectorynamed“d”inthefilesystem.F.Line16createsadirectorynamed“d”andafile “f” withinitinthefilesystem.G.Line14createsafilenamedf insideofthedirectorynamed“d”inthefilesystem. ” 相关考题
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