ibm中级软件工程师

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1、IBM考试第一大题：(70分)1.(5分)以下代码的输出是？importjava.io.*;classSuperClass{publicstaticvoidaMethod()throwsFileNotFoundException{System.out.println(uinsideaMethodH);}}publicclassSub-ClassextendsSuperClass{publicstaticvoidaMethod(){System.out.println(MinsideaMethodH);}publicstaticvoidmain(Stringargsfl){Su

2、b-Classsc=newSub-Class();sc.aMethod();}}(A)Output:insideaMethod(B)CompilationError:Themethodthatisoverriddendoesnotthrowjava.io.FileNotFoundException(C)CompilationError:Themethodthatoverridesdoesnotthrowjava.io.FileNotFoundException(D)CompilationError:NoSuchMethodExceptionisthrown2・(5分)下面代码

3、的输出是？#includeclassTest{private:intnum;public:Test(intn){num=n;}Testoperator+(Testoperand2){Testtemp;temp.num=num+operand2.num;returntemp;voiddisplayValue(void)cout«HTestis:H«num«endl;1;voidmain(){Testtl(5);Testt2(2);tl=tl+t2;tl.displayValue();}(A)5(B)7(C)52(D)Compilererror,noapp

4、ropriatedefaultconstructoravailable3.(5分)从句法上讲，以下哪些是preparedStatement的正确调用？(A)stmt=conn.prepareStatementC^NSERTINTOtableName(col1,co!2)VALUES(col1Value,col2Value)M);(B)stmt=conn.prepareStatement("INSERTINTOtableName(?,?)VALUES(collValue,coI2Value)M);(C)stmt=conn.prepareStatement("INSERTINTO

5、tableName(coll,col2)VALUES(?,?)");(D)stmt=conn.prepareStatement(MlNSERTINTOtableName(?,?)VALUES(?,?)“)；4.(5分)当一个类别继承一个基类的属性但却未提供接入说明符时，以下哪项是它的缺省接入说明符？(A)public(B)private(C)protected(D)None5.(5分)找出正确陈述：I.分发单元是部署在节点上的一组组件II.逆向工程指从模型创建节点III.动态系统屮的移动组件称为代理IV.Impleme(A)I和II(B)I,III和IV(C)II,III和I

6、V(D)II和IV6.(5分)下面代码的输出是？#includeclassTest{public:Test(){}staticintprint(intval){returnval++;voidmain(void)intresult=0;result=Test:print(l2);cout«result«endl;}(A)0(B)12(C)13(D)Compilererror3.(5分)以下哪种方法是CardLayout类中定义的方法？(A)previous()(B)top()(C)bottom()(D)end()&(5分)请看以下代码：importja

7、va.utiL*;publicclassTestClass{publicstaticvoidmain(Stringargs[]){intcount=0,num=0;Setlist=newHashSet();for(intj=0;j