通元动力软件技术有限责任

publicclasstestpublicstaticvoidmain(Stringargs[])inti=-intj=~i;6.7.Whatisthedecimalvalueofjatline01Anerroratline3causescompilationtoAnerroratline4causescompilationtopublicclasstestpublicstaticvoidmain(Stringargs[])System.out.println(6^}}Whatisthepublicclasstestprivatestaticintj=0;privatestaticbooleanmethodB(intk)j+=return}publicstaticvoidmethodA(inti)booleanb=i<10|b=i<10||}publicstaticvoidmain(Stringargs[])}}WhatistheTheprogramprintsTheprogramprintsTheprogramprintsTheprogramprintsThecodedoesnotpublicclasstestpublicstaticvoidadd3(Integeri)intval=val+=i=new}publicstaticvoidmain(Stringargs[])Integeri=new}}WhatistheCompilationwillTheprogramprintsTheprogramprintsCompilationwillsucceedbutanexceptionwillbethrownatlinepublicclasspublicstaticvoidStringfoo=argsStringfoo=argsStringfoo=args}}Andcommandlineinvocation:JavaTestredgreenblueWhatisthefoohasthevalueoffoohasthevalueoffoohasthevalueoffoohasthevalueoffoohasthevalueofThecodecompileTheprogramthrowsanpublicclasstestpublicstaticStringoutput="";publicstaticvoidfoo(inti)tryif(i==1)thrownew}output+=10.catch(Exceptione)output+=}finallyoutput+=}output+=}publicstaticvoidmain(Stringargs[])}}WhatisthevalueofthevariableoutputatlinepublicintgetNumber(inta)returna+}}classBextendsApublicintgetNumber(inta)returna+10.publicstaticvoidmain(Stringargs[])Aa=new}}WhatistheCompilationsucceedsand1isCompilationsucceedsand2isAnerroratline8causescompilationtoAnerroratline13causescompilationtoAnerroratline14causescompilationtopublicbytegetNumber()return}}classBextendsApublicshortgetNumber()return10.publicstaticvoidmain(Stringargs[])Bb=newB}}WhatistheCompilationsucceedsand1isCompilationsucceedsand2isAnerroratline8causescompilationtoAnerroratline14causescompilationtoCompilationsucceedsbutanexceptionisthrownatlineclassSuperpublicintgetLength(){return}publicclassSubextendsSuperpubliclonggetLength(){returnpublicstaticvoidmain(String[]args)supersooper=newSuperSubsub=new}}Whatisthe4,4,5,5,Thecodewillnotpublicclasstestpublicstaticvoidmain(String[]args)System.out.println("value="}publicstaticintswitchIt(intx)intj=switch(x)case1:case2:case3:case4:case5:}returnj+}}WhatistheoutputfromlineValue=intfor(i=0;i<4;i+=2)System.out.print(i+}Whatistheresult?020240123CompilationAnexceptionisthrownatWritethecodeforaC++functionIsPowerOf2,whichhasthefollowingprototype:boolIsPowerOf2(inta)Ifaispowerof2,thisfunctionshouldreturnTRUE,otherwiseFALSEReturnValuea=16TRUEa=1FALSEa=6FALSEa=128Therelationsbetweenentitieshave"onetoone","onetomany"and"manytomany"inRDBMS,giveanexampletoeachrelation.SQL语句Student(学生表)字段:学号(Sno),(Sname),(Ssex),(Sage),所属院系Course(课程表)字段:课程(Cno),课程名(Cname),先行课程(Cpno),课程学SC(选课表)字段:学号(Sno),课程号(Cno),成绩SnoSnameSsex