1.packagefoo；2.3.importjava.util.Vector；4.5.protectedclassMyVectorVector{6.initi=1；7.publicMyVector（）{8.i=2；9.}10.}11.12.publicclassMyNewVectorextendsMyVector{13.publicMyNewVector（）{14.i=4；15.}16.publicstaticvoidmain（Stringargs[]）{17.MyVectorv=newMyNewVector（）；18.}19.}Whatistheresult？（）A.Compilationsucceeds.B.Compilationfailsbecauseofanerroratline5.C.Compilationfailsbecauseofanerroratline6.D.Compilationfailsbecauseofanerroratline14.E.Compilationfailsbecauseofanerroratline17.
1.packagefoo；2.3.importjava.util.Vector；4.5.protectedclassMyVectorVector{6.initi=1；7.publicMyVector（）{8.i=2；9.}10.}11.12.publicclassMyNewVectorextendsMyVector{13.publicMyNewVector（）{14.i=4；15.}16.publicstaticvoidmain（Stringargs[]）{17.MyVectorv=newMyNewVector（）；18.}19.}Whatistheresult？（）
A.Compilationsucceeds.
B.Compilationfailsbecauseofanerroratline5.
C.Compilationfailsbecauseofanerroratline6.
D.Compilationfailsbecauseofanerroratline14.
E.Compilationfailsbecauseofanerroratline17.
相关考题：
1.packagefoo；2.3.importjava.util.Vector；4.5.privateclassMyVectorextendsVector{6.inti=1；7.publicMyVector（）{8.i=2；9.}10.}11.12.publicclassMyNewVectorextendsMyVector{13.publicMyNewVector（）{14.i=4；15.}16.publicstaticvoidmain（Stringargs[]）{17.MyVectorv=newMyNewVector（）；18.}19.}ThefileMyNewVector.javaisshownintheexhibit.Whatistheresult？（）
packagefoo;publicclassOuter(publicstaticclassInner())Whichstatementistrue?() A.AninstanceoftheInnerclasscanbeconstructedwith“newOuter.Inner（）”B.Aninstanceoftheinnerclasscannotbeconstructedoutsideofpackagefoo.C.Aninstanceoftheinnerclasscanonlybeconstructedfromwithintheouterclass.D.Fromwithinthepackagebar，aninstanceoftheinnerclasscanbeconstructedwith“newinner（）”
packagefoo;publicclassOuter{publicstaticclassInner{}}Whichstatementistrue?() A.Compilationfails.B.AninstanceoftheInnerclasscanbeconstructedwith“newOuter.Inner（）”.C.AninstanceoftheInnerclasscannotbeconstructedoutsideofpackagefoo.D.AninstanceoftheInnerclasscanbeconstructedonlyfromwithintheOuterclass.E.Fromwithinthepackagefoo，andinstanceoftheInnerclasscanbeconstructedwith“newInner（）”.
packagefoo；importjava.util.Vector；privateclassMyVectorextendsVector{inti=1；publicMyVector（）{i=2；}}publicclassMyNewVectorextendsMyVector{publicMyNewVector（）{i=4；}publicstaticvoidmain（Stringargs[]）{MyVectorv=newMyNewVector（）；}}Whatistheresult？（）A.Compilationsucceeds.B.Compilationfailsbecauseofanerroratline5.C.Compilationfailsbecauseofanerroratline6.D.Compilationfailsbecauseofanerroratline14.E.Compilationfailsbecauseofanerroratline17.
下列哪一组码是正交的?() A.（1，－1，－1，1）和（1，－1，－1，1）；B.（1，－1，－1，1）和（1，1，1，1）；C.（1，－1，－1，1）和（1，－1，－1，－1）；D.（1，－1，－1，1）和（－1，1，1，－1）
2、A、B、C三个站点采用CDMA技术进行通信，A、B要向C发送数据，设A的码片序列为+1，-1，-1，+1，+1，+1，+1，-1。则B可以选用的码片序列为A．-1，-1，-1，+1，-1，+1，+1，+1B．-1，+1，-1，-1，-1，+1，+1，+1C．-1，+1，-1，+1，-1，+1，-1，+1D．-1，+1，-1，+1，-1，+1，+1，+1
A、B、C三个站点采用CDMA技术进行通信，A、B要向C发送数据，设A的码片序列为+1，-1，-1，+1，+1，+1，+1，-1。则B可以选用的码片序列为A．-1，-1，-1，+1，-1，+1，+1，+1B．-1，+1，-1，-1，-1，+1，+1，+1C．-1，+1，-1，+1，-1，+1，-1，+1D．-1，+1，-1，+1，-1，+1，+1，+1
共有4个站进行码分多址通信。现收到这样的码片序列S：（-3 -1 -1 +1 +3 +1 +1 -1）。发送数据1的是（）A．（－1－1－1＋1＋1－1＋1＋1）B．（－1－1＋1－1＋1＋1＋1－1）C．（－1＋1－1＋1＋1＋1－1－1）D．（－1＋1－1－1－1－1＋1－1）
1、已知HDB3码为 ，则对应的译码输出为11000010110000000010111。A．000+1-100-1+10-1+1-1+1-1000-1+10-1+1B．+1-1000-1+10-1+1000+1-100-1+10-1+1-1C．+1+1000-1+10-1+1000+1-100-1+10-1+1-1D．+1-1000-1+10-1+1000+1-100+1+10-1+1-1E．00+1-10+1-1+1-1000-1+1-1+1000-1+1+10