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.
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.
相关考题：
(11 ）下面程序运行时输出结果为C:\Program Files is a directory请将程序补充完整。import Java.io.*;public class DirTest{public static void main(String[] args){File myDir = new File( " C:/Program Files/ " );System.out.println(myDir + ( 【 11 】 .isDirectory() ? " is " : " is not " ) + " a directory. " );}}
11.publicstaticvoidmain（String[]args）{12.Integeri=uewInteger（1）+newInteger（2）；13.switch（i）{14.case3：System.out.println（”three”）；break；15.default：System.out.println（”other”）；break；16.}17.}Whatistheresult？（）A.threeB.otherC.Anexceptionisthrownatruntime.D.Compilationfailsbecauseofanerroronline12.E.Compilationfailsbecauseofanerroronline13.F.Compilationfailsbecauseofanerroronline15.
Given:11.publicstaticvoidmain(String[]args){12.Objectobj=newint[]{1,2,3};13.int[]someArray=(int[])obj;14.for(inti:someArray)System.out.print(i＋);15.}Whatistheresult?() A.Compilationfailsbecauseofanerrorinline13.B.AClassCastExceptionisthrownatruntime.C.123D.Compilationfailsbecauseofanerrorinline14.E.Compilationfailsbecauseofanerrorinline12.
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