软件学院_面向对象程序设计_2008-2009(2)期末B卷.pdf

《软件学院_面向对象程序设计_2008-2009(2)期末B卷.pdf》由会员上传分享，免费在线阅读，更多相关内容在行业资料-天天文库。

1、.华南农业大学期末考试试卷（B卷）2008-2009学年第2学期考试科目：面向对象程序设计考试类型：（闭卷）考试时间：120分钟学号________________姓名______________年级专业____________________题号一二三四五总分得分评阅人一、选择题（30分）说明：每题2分，只有1个正确答案，请将正确答案填写在下面表格中。题号123456789101112131415答案1．WhichofthefollowingstatementsiscorrectaboutJavapackages?A.Apackag

2、emaycontainunlimitednumberofnestedsub-packages.B.ApackageisacollectionofrelatedJavasourceprogram.C.Usingtheimportstatementcanincludealltheclassesintothecurrentprogramfromaspecifiedpackageanditssub-packages.D.Ifthereisnopackagestatementused,thecurrentclasswillnotbeinanyp

3、ackage.2．WhichoneisthewrongstatementaboutJavaconstructors?A.Thenameofaconstructormustbethesameasitsclass’sname.B.Aconstructorhasnoreturnvalueandcannotbemodifiedbyvoid.C.Aconstructoroftheparentclasscannotbeinheritedbyitssub-classes.D.Allconstructorsmustbemodifiedbypublic

4、.3．Givingthecodebellow:classTest{privateintm;publicstaticvoidfun(){/*somecode...*/}}Howtomakethemembervariablemaccessibleformethodfun()?A.change"privateintm"to"protectedintm"B.change"privateintm"to"publicintm"...C.change"privateintm"to"staticintm"D.change"privateintm"to

5、"intm"4．Whichofthefollowingfunctionsisanoverloadingfunctionof"publicvoidexample(){...}"?A.publicvoidexample(){...}B.publicintexample(){...}C.publicvoidexample2(){...}D.publicintexample(intm,floatf){...}5．InJava,aclassmayhavemanydifferentmethodswiththesamename.Thenumber,

6、type,sequencesofargumentsinthesemethodsaredifferent,andthereturnvaluecanbedifferentaswell.Whatdowecallthisfeatureintermsofobject-orientedprogramming?A.HidingB.OverridingC.OverloadingD.ThisfeatureisnotsupportedinJava6．Howtoexecutethefollowingprogram?publicclassTest{publi

7、cstaticvoidmain(Stringargs[]){System.out.println(args[0]);}}A.javaTest.classB.javaTestC.javaTestaStringD.javacTest7．Ifacontainerhasbeenresized,whichofthefollowinglayoutmanagerdidnotchangetheinternalcomponents'size?A.CardLayoutB.FlowLayoutC.BorderLayoutD.GridLayout8．Whic

8、histherightstatementaboutexceptionhandling?A.Injava,allexceptionsarenecessarytobecaughtandhandled.B.The“catch”