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ConsiderthefollowingcodeFourWheelerTruckmyTruck=new4.du=5.fw=new6.fw=Whichofthestatementsbelowaretrue?Line4willnotcompilebecauseaninterfacecannotrefertoanThecodewillcompileandThecodewillnotcompilewithoutanexplicitcastatline6,becausegoingdownthehierarchywithoutcastingisnotallowed.Thecodewillcompileifweputanexplicitcastatline6butwillthrowanexception2:Aclassdesignrequiresthataparticularmembervariablemustbeaccessiblefordirectaccessbyanysubclassesofthisclass.butotherwisenotbyclasseswhicharenotmembersofthesamepackage.Whatshouldbedonetoachievethis?ThevariableshouldbemarkedThevariableshouldbemarkedThevariableshouldbemarkedThevariableshouldhavenospecialaccessmodifierA.-Whatwillbetheresultofexecutingthefollowing//Filename;SuperclassX.javapackagepackageX;publicclass{protectedvoid{}int}//Filename3.publicclassSubclassYextendsSuperclassX5.SuperclassXobjX=newSubclassY();6.SubclassYobjY=newSubclassY();7.voidsubclassMethodY()10.intWhatwillbetheresultofexecutingthefollowing//Filename;SuperclassX.javapackagepackageX;publicclass{protectedvoid{}int}//Filename3.publicclassSubclassYextendsSuperclassXSuperclassXobjX=newSubclassYobjY=newvoidsubclassMethodY()10.inti;pilationerroratline5pilationerroratlineC.RuntimeexceptionatlineD.NoneofGivethefollowingpublicclasspublicstaticvoidmain(Stringargs[]){intl=0;System.out.println(“ngitforl}}WhichwellbeGivethefollowingpublicclasspublicstaticvoidmain(Stringargs[]){intl=0;System.out.println(“ngitforl}}Whichwellbengitforlisngitforlisngitforlisngitforlisinti=100while(1){i=i%100+1;if(i>100)break;forintk=1000;do{++k;ints=36;while(s);--7:CCdInta=1,b=2;Intc,d;cd=(a&&b)&a;Whichisthemostappropriatecodesnippetthatcanbeinsertedatline18inthefollowingcode?(Assumethatthecodeiscompiledandrunwithassertionsenabled)importpublicclass{privateHashMapcctld;public{cctld=newcctld.put("in", cctld.put("uk","United//more //othermethodspublicStringgetCountry(String{//WhatshouldbeinsertedStringcountry=return 22.Whichisthemostappropriatecodesnippetthatcanbeinsertedatline18inthefollowingcode?(Assumethatthecodeiscompiledandrunwithassertionsenabled)importpublicclass{privateHashMapcctld;{cctld=newcctld.put("in", cctld.put("uk","Unitedcctld.put("au",//more //othermethodspublicStringgetCountry(String{//WhatshouldbeinsertedStringcountry=return 22.assertcountryCode!=assertcountryCode!=null:"Countrycodecannotbenull"assertcctld!=null:"Nocountrycodedataisassertcctld:"NocountrycodedataisInthefollowingcode,whichistheearlieststatement,wheretheobjectoriginallyheldine,maybegarbagecollected:publicclassTestpublicstaticvoidmain(Stringargs[])Employeee=newEmployee("Bob",e=e=newEmployee("Denise",}OnlyInthefollowingcode,whichistheearlieststatement,wheretheobjectoriginallyheldine,maybegarbagecollected:publicclassTestpublicstaticvoidmain(Stringargs[])Employeee=newEmployee("Bob",e=e=newEmployee("Denise", }OnlyA.LineB.LineC.LineD.Line10:abint型變量,則執(zhí)行下述語句組后,b{}while(b--Whatwillbetheresultofexecutingthefollowingpublicstaticvoidmain(String{chardigit=for(inti=0;i<10;{switch{case'x'{intj=0;}default{intj=100;}}}inti=}Whatwillbetheresultofexecutingthefollowingpublicstaticvoidmain(String{chardigit=for(inti=0;i<10;{switch{case'x'{intj=0;}default{intj=100;}}}inti=j;}A.100willbeprinted11B.Thecodewillnotcompilebecausethevariableicannotbedeclaredtwicewithinthemain()C.ThecodewillnotcompilebecausethevariablejcannotbedeclaredtwicewithintheswitchD.Noneof12:Whicharenot Whatistheresultwhenyoucompileandrunthefollowingcode?publicclassTest{publicvoid{for(inti=0;i<3;{}}}Whatistheresultwhenyoucompileandrunthefollowingpublicclass{publicvoid{for(inti=0;i<3;{}}}pilationD.NoneofWhatwillbetheresultofexecutingthefollowingcode?booleana=true;booleanb=false;booleanc=true;if(a==true)if(b==if(c==true) System.out.println("Somethingsaretrueinthisworld"); System.out.println("Nothingistrueinthisworld!");elseif(a&&(b=c))System.out.println("It'stooconfusing lwhatistrueandwhatiselseSystem.out.println("Heythiswon'tWhatwillbetheresultofexecutingthefollowingcode?booleana=true;booleanb=false;booleanc=true;if(a==true)if(b==if(c==true) System.out.println("Somethingsaretrueinthisworld"); System.out.println("Nothingistrueinthisworld!");elseif(a&&(b=c)) System.out.println("It'stooconfusingto lwhatistrueandwhatis System.out.println("Heythiswon'tcompile");

Thecodewon't"Somethingsaretrueinthisworld"willbe"Heythiswon'tcompile"willbeNoneofGivethefollowingjavapublicclassExample{staticintx[]=newint[15];publicstaticvoidmain(Stringargs[]){}}Whichstatementiscorrected?GivethefollowingjavapublicclassExample{staticintx[]=newint[15];publicstaticvoidmain(Stringargs[]){}}WhichstatementisWhencompile,someerrorwillWhenrun,someerrorwillOutputisOutputis16:Usetheoperator“>>”and“>>>”.WhichstatementisA.10100000000000000000000000000000>>4give000010100000000000000000B.10100000000000000000000000000000>>4give111110100000000000000000C.10100000000000000000000000000000>>>4give000000000000000000000000D.10100000000000000000000000000000>>>4give11111010000000000000000017:Whichisthemain()methodreturnofa18:publicclassParent{intchange(){…}}classChildextendsParent}Whichmethodscanbeaddedintoclasspublicintintprivateintchange(){}19:WhichcodefragmentswouldcorrectlyidentifythenumberofargumentspassedvialinetoaJavaapplication,excludethenameoftheclassthatisbeingintcount=intcount=args.length-intcount=0;while(args[count]!=null)intcount=0;whileargs[count].equalscount++;20:inta=1,b=0;則執(zhí)行以下程序段的輸出結(jié)果為（switch{caseswitch{case0:printf("**0**");break;case}case}Whatwillhappenwhenyouattempttocompileandrunthefollowingcode?public