A.盲从往往会陷入骗局或失败
B.人往往会陷入自己设置的骗局
C.人要保持理性的独立思考能力
D.信息的缺失会导致从众心理
第1题
A.AninstanceoftheInnerclasscanbeconstructedwith“newOuter.Inner()”
B.Aninstanceoftheinnerclasscannotbeconstructedoutsideofpackagefoo.
C.Aninstanceoftheinnerclasscanonlybeconstructedfromwithintheouterclass.
D.Fromwithinthepackagebar,aninstanceoftheinnerclasscanbeconstructedwith“newinner()”
第2题
A.Compilationsucceeds.
B.Compilationfailsbecauseofanerroratline5.
C.Compilationfailsbecauseofanerroratline6.
D.Compilationfailsbecauseofanerroratline14.
E.Compilationfailsbecauseofanerroratline17.
第3题
A.newInner();//Atline3
B.newInner();//Atline8
C.newo.Inner();//Atline8
D.newOuter.Inner();//Atline8
第4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?()
第5题
A.Compilationwillsucceed.
B.Compilationwillfailatline5.
C.Compilationwillfailatline6.
D.Compilationwillfailatline14.
E.Compilationwillfailatline17.
第6题
A.Compilationfails.
B.hellofroma
C.hellofromb
D.hellofrombhellofroma
E.hellofromahellofromb
第7题
A.Performanceofclassmethodsisimproved.
B.Implementationdetailsoftheclassarehidden.
C.Accessmodifierscanbeomittedonclassdatamembers.
D.Codethatusestheencapsulationclasscanaccessdatamembersdirectly.
E.Internaloperationoftheclasscanbemodifiedwithoutimpactingclientsofthatclass.
第8题
A.1
B.2
C.Anexceptionisthrownatruntime.
D.Compilationfailsbecauseofanerrorinline8.
E.Compilationfailsbecauseofanerrorinline14.
第9题
A.floatgetVar(){returnx;}
B.publicfloatgetVar(){returnx;}
C.publicdoublegetVar(){returnx;}
D.protectedfloatgetVar(){returnx;}
E.publicfloatgetVar(floatf){returnf;}
第10题
A.publicclassX{ } publicclassYextendsX{}
B.publicinterfaceShape{} publicinterfaceRectangleextendsShape{}
C.publicinterfaceColor{} publicclassShape{privateColorcolor;}
D.publicinterfaceSpecies{} publicclassAnimal{privateSpeciesspecies;}
E.publicclassPerson{}publicclassEmployee{ publicEmployee(Personperson){}
F.interfaceComponent{} classContainerimplementsComponent{privateComponent[]children;}
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