网友您好， 请在下方输入框内输入要搜索的题目：
题目内容
（请给出正确答案）
publicstaticvoidmain(String[]args){12.Objectobj=newObject(){13.publicinthashCode(){14.returns42;15.}16.};17.System.out.println(obj.hashCode());18.}Whatistheresult?()
A.42
B.Anexceptionisthrownatruntime.
C.Compilationfailsbecauseofanerroronline12.
D.Compilationfailsbecauseofanerroronline16.
E.Compilationfailsbecauseofanerroronline17.
参考答案
更多 “ publicstaticvoidmain(String[]args){12.Objectobj=newObject(){13.publicinthashCode(){14.returns42;15.}16.};17.System.out.println(obj.hashCode());18.}Whatistheresult?() A.42B.Anexceptionisthrownatruntime.C.Compilationfailsbecauseofanerroronline12.D.Compilationfailsbecauseofanerroronline16.E.Compilationfailsbecauseofanerroronline17. ” 相关考题
考题
以下是JAVA中正确的入口方法是?()
A.publicstaticvoidmain（String[]args）{}B.publicstaticvoidmain（Stringargs）{}C.publicvoidmain（String[]args）{}D.publicstaticintmain（String[]args）{}
考题
下面main()方法的定义哪些是正确的()。A.publicstaticvoidmain(Stringargs[]){}B.publicstaticvoidmain(String[]){}C.publicstaticvoidmain(String[]args){}D.publicstaticvoidmain(String[]x){}
考题
1.classA{3.publicStringtoString（）{4.return4”；5.}6.}7.classBextendsA{8.publicStringtoString（）{9.returnsuper.toString（）+3”；10.}11.}12.publicclassTest{13.publicstaticvoidmain（String[]args）{14.System.out.printIn（newB（））；15.}16.}Whatistheresult()？A.Compilationsucceedsand4isprinted.B.Compilation……………isprinted.C.Anerroronline9causecompilationtofail.D.Anerroronline14causecompilationtofail.E.Compilationsucceedsbutanexceptionisthrownatline9.
考题
publicclassYippee{publicstaticvoidmain(String[]args){for(intx=1;xargs.length;x＋＋){System.out.print(args[x]＋);}}}andtwoseparatecommandlineinvocations:javaYippeejavaYippee1234Whatistheresult?()
A.Nooutputisproduced.123B.Nooutputisproduced.234C.Nooutputisproduced.1234D.Anexceptionisthrownatruntime.123E.Anexceptionisthrownatruntime.234F.Anexceptionisthrownatrijntime.1234
考题
publicstaticvoidappend(Listlist){list.add(”0042”);}12.publicstaticvoidmain(String[]args){13.ListintList=newArrayList();14.append(intList);15.System.out.println(intList.get(0));16.}Whatistheresult?()
A.42B.0042C.Anexceptionisthrownatruntime.D.Compilationfailsbecauseofanerrorinline13.E.Compilationfailsbecauseofanerrorinline14.
考题
publicclassTestOne{publicstaticvoidmain(String[]args)throwsException{Thread.sleep(3000);System.out.println(”sleep”);}}Whatistheresult?()
A.Compilationfails.B.Anexceptionisthrownatruntime.C.Thecodeexecutesnormallyandprints“sleep”.D.Thecodeexecutesnormally，butnothingisprinted.
考题
publicclassThreads5{publicstaticvoidmain(String[]args){newThread(newRunnable(){publicvoidrun(){System.out.print(”bar”);}}).start();}}Whatistheresult?()
A.Compilationfails.B.Anexceptionisthrownatruntime.C.Thecodeexecutesnormallyandprints“bar”.D.Thecodeexecutesnormally，butnothingprints.
考题
publicstaticvoidmain（String[]args）{try{args=null；args[0]=test”；System.out.println（args[0]）；}catch（Exceptionex）{System.out.println（”Exception”）；}catch（NullPointerExceptionnpe）{System.out.println（”NullPointerException”）；}}Whatistheresult？（）A.testB.ExceptionC.Compilationfails.D.NullPointerException
考题
11.staticclassA{12.voidprocess（）throwsException{thrownewException（）；}13.}14.staticclassBextendsA{15.voidprocess（）{System.out.println（”B”）；}16.}17.publicstaticvoidmain（String[]args）{18.newB（）.process（）；19.}Whatistheresult？（）A.BB.Thecoderunswithnooutput.C.Compilationfailsbecauseofanerrorinline12.D.Compilationfailsbecauseofanerrorinline15.E.Compilationfailsbecauseofanerrorinline18.
考题
11.publicstaticvoidmain（String[]args）{12.Integeri=uewInteger（1）+newInteger（2）；13.switch（i）{14.case3：System.out.println（”three”）；break；15.default：System.out.println（”other”）；break；16.}17.}Whatistheresult？（）A.threeB.otherC.Anexceptionisthrownatruntime.D.Compilationfailsbecauseofanerroronline12.E.Compilationfailsbecauseofanerroronline13.F.Compilationfailsbecauseofanerroronline15.
考题
publicclassTest{publicenumDogs{collie，harrier}；publicstaticvoidmain（String[]args）{DogsmyDog=Dogs.collie；switch（myDog）{casecollie：System.out.print（”collie）；caseharrier：System.out.print（”harrier）；}}}Whatistheresult？（）A.collieB.harrierC.Compilationfails.D.collieharrierE.Anexceptionisthrownatruntime.
考题
publicstaticvoidmain(String[]args){12.Objectobj=newint[]{1,2,3};13.int[]someArray=(int[])obj;14.for(inti:someArray)System.out.print(i＋)15.}Whatistheresult?()
A.123B.Compilationfailsbecauseofanerrorinline12.C.Compilationfailsbecauseofanerrorinline13.D.Compilationfailsbecauseofanerrorinline14.E.AClassCastExceptionisthrownatruntime.
考题
publicstaticvoidparse（Stringstr）{try{floatf=Float.parseFloat（str）；}catch（NumberFormatExceptionnfe）{f=0；}finally{System.out.println（f）；}}publicstaticvoidmain（String[]args）{parse（”invalid”）；}Whatistheresult？（）A.0.0B.Compilationfails.C.AParseExceptionisthrownbytheparsemethodatruntime.D.ANumberFormatExceptionisthrownbytheparsemethodatruntime.
考题
10.interfaceFoo{}11.classAlphaimplementsFoo{}12.classBetaextendsAlpha{}13.classDeltaextendsBeta{14.publicstaticvoidmain（String[]args）{15.Betax=newBeta（）；16.//insertcodehere17.}18.}Whichcode，insertedatline16，willcauseajava.lang.ClassCastException？（）A.Alphaa=x；B.Foof=（Delta）x；C.Foof=（Alpha）x；D.Betab=（Beta）（Alpha）x；
考题
publicclassTest{publicstaticvoidmain(String[]args){stringfoo=blue”;stringbar=foo;foo=green”;System.out.printIn(bar);}}Whatistheresult?()
A.Anexceptionisthrown.B.Thecodewillnotcompile.C.Theprogramprints“null”D.Theprogramprints“blue”E.Theprogramprints“green”
考题
importjava.io.IOException；publicclassExceptionTest（publicstaticvoidmain（String[]args）try（methodA（）；）catch（IOExceptione）（system.out.printIn（CaughtIOException”）；）catch（Exceptione）（system.out.printIn（CaughtException”）；））publicvoidmethodA（）{thrownewIOException（）；}Whatistheresult？（）A.Thecodewillnotcompile.B.Theoutputiscaughtexception.C.TheoutputiscaughtIOException.D.Theprogramexecutesnormallywithoutprintingamessage.
考题
publicclassfoo{publicstaticvoidmain(string[]args)try{return;}finally{system.out.printIn(Finally”);}}Whatistheresult?()
A.Theprogramrunsandprintsnothing.B.Theprogramrunsandprints“Finally”C.Thecodecompiles，butanexceptionisthrownatruntime.D.Thecodewillnotcompilebecausethecatchblockismissing.
考题
publicclassTest{publicstaticvoidmain(String[]args){Stringstr=NULL;System.out.println(str);}}Whatistheresult?()
A.NULLB.Compilationfails.C.Thecoderunswithnooutput.D.Anexceptionisthrownatruntime.
考题
publicclassTest{privatestaticint[]x;publicstaticvoidmain(String[]args){System.out.println(x[0]);}}Whatistheresult?()
A.0B.nullC.Compilationfails.D.ANullPointerExceptionisthrownatruntime.E.AnArrayIndexOutOfBoundsExceptionisthrownatruntime.
考题
interfaceBeta{}classAlphaimplementsBeta{StringtestIt（）{returnTested”；}}publicclassMain1{staticBetagetIt（）{returnnewAlpha（）；}publicstaticvoidmain（String[]args）{Betab=getIt（）；System.out.println（b.testIt（））；}}Whatistheresult？（）A.TestedB.Compilationfails.C.Thecoderunswithnooutput.D.Anexceptionisthrownatruntime.
考题
publicclassTest{publicstaticvoidmain(String[]args){intx=0;assert(x0)?assertionfailed”:assertionpassed”;System.out.println(Finished”);}}Whatistheresult?()
A.finishedB.Compilationfails.C.AnAssertionErroristhrownandfinishedisoutput.D.AnAssertionErroristhrownwiththemessage“assertionfailed”.E.AnAssertionErroristhrownwiththemessage“assertionpassed”.
考题
publicclassTest{publicstaticvoidmain(String[]args){intx=0;assert(x>0):“assertionfailed”;System.out.println(“finished”);}}Whatistheresult?()
A.finishedB.Compilationfails.C.AnAssertionErroristhrown.D.AnAssertionErroristhrownandfinishedisoutput.
考题
publicclassFoo{publicstaticvoidmain(String[]args){try{return;}finally{System.out.println(Finally”);}}}Whatistheresult?()
A.FinallyB.Compilationfails.C.Thecoderunswithnooutput.D.Anexceptionisthrownatruntime.
考题
Given:11.publicstaticvoidmain(String[]args){12.Objectobj=newint[]{1,2,3};13.int[]someArray=(int[])obj;14.for(inti:someArray)System.out.print(i＋);15.}Whatistheresult?()
A.Compilationfailsbecauseofanerrorinline13.B.AClassCastExceptionisthrownatruntime.C.123D.Compilationfailsbecauseofanerrorinline14.E.Compilationfailsbecauseofanerrorinline12.
考题
作为Java应用程序入口的main方法,其声明格式可以是( )。A、publicstaticvoidmain(String[]args)B、publicstaticintmain(String[]args)C、publicvoidmain(String[]args)D、publicintmain(String[]args)
考题
11. public static void main（String[] args） { 12. Object obj = new Object（） { 13. public int hashCode（） { 14. returns 42； 15. } 16. }； 17. System.out.println（obj.hashCode（））； 18. } What is the result？ （） A、 42B、 An exception is thrown at runtime.C、 Compilation fails because of an error on line 12.D、 Compilation fails because of an error on line 16.E、 Compilation fails because of an error on line 17.
考题
单选题11. public static void main（String[] args） { 12. Object obj = new Object（） { 13. public int hashCode（） { 14. returns 42； 15. } 16. }； 17. System.out.println（obj.hashCode（））； 18. } What is the result？ （）A
42B
An exception is thrown at runtime.C
Compilation fails because of an error on line 12.D
Compilation fails because of an error on line 16.E
Compilation fails because of an error on line 17.
热门标签
最新试卷
