java考试选择题英文版

《java考试选择题英文版》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、ReadthequestionscarefullyIhavetriedtomakethequestionsunambiguous(themeaningshouldbeobvious),butmakesureyouhavereadwhatIhavewrittennotwhatyouthinkImighthavewritten.Thusifitsays"Classescanbedeclaredwiththeprivatemodifier",itmeansItispossibletodeclareaclasswi

2、ththeprivatemodifierandnotthatallclassesinallsituationscanbedeclaredasprivate.EachquestionmayhaveoneormorecorrectAnswers.QuestionsQuestion1)Whichofthefollowinglineswillcompilewithoutwarningorerror.1)floatf=1.3;2)charc="a";3)byteb=257;4)booleanb=null;5)inti

3、=10;Question2)WhatwillhappenifyoutrytocompileandrunthefollowingcodepublicclassMyClass{publicstaticvoidmain(Stringarguments[]){amethod(arguments);}publicvoidamethod(String[]arguments){System.out.println(arguments);System.out.println(arguments[1]);}}1)errorC

4、an'tmakestaticreferencetovoidamethod.2)errormethodmainnotcorrect3)errorarraymustincludeparameter4)amethodmustbedeclaredwithStringBecausemainisdefinedasstaticyouneedtocreateaninstanceoftheclassinordertocallanynon-staticmethods.------------------------------

5、--------------------------------------------------Question3)Whichofthefollowingwillcompilewithouterror要先出现package1)importjava.awt.*;packageMypackage;classMyclass{}2)packageMyPackage;importjava.awt.*;classMyClass{}3)/*Thisisacomment*/packageMyPackage;import

6、java.awt.*;classMyClass{}--------------------------------------------------------------------------------Question4)Abytecanbeofwhatsize1)-128to1272)(-2power8)-1to2power83)-255to2564)dependsontheparticularimplementationoftheJavaVirtualmachine---------------

7、-----------------------------------------------------------------Question5)Whatwillbeprintedoutifthiscodeisrunwiththefollowingcommandline?Javamyproggoodmorning;publicclassmyprog{publicstaticvoidmain(Stringargv[]){System.out.println(argv[2]);}}1)myprog2)goo

8、d3)morning4)Exceptionraised:"java.lang.ArrayIndexOutOfBoundsException:2"--------------------------------------------------------------------------------Question6)Whichofthefollowingarekeywordsorreserved（预定义）w