classTestSuper{22.TestSuper(inti){}3.}4.classTestSubextendsTestSuper{}5.classTestAll{6.publicstaticvoidmain(String[]args){7.newTestSub();8.}9.}Whichistrue?() A.Compilationfails.B.Thecoderunswithoutexception.C.Anexceptionisthrownatline7.D.Anexceptionisthrownatline2.
classTestSuper{22.TestSuper(inti){}3.}4.classTestSubextendsTestSuper{}5.classTestAll{6.publicstaticvoidmain(String[]args){7.newTestSub();8.}9.}Whichistrue?()
A.Compilationfails.
B.Thecoderunswithoutexception.
C.Anexceptionisthrownatline7.
D.Anexceptionisthrownatline2.
相关考题：
下列程序段运行的结果为 public class Test{ static void print(String s，int i){ System．out．println("String："+s+"，int："+i)； } static void print(int i，String s){ System．out．println("int："+i+"，String："+s)； } public static void main(String[]args){ print(99，"Int first")； } }A．String:String first,int:11B．int:11，String:Int firstC．String:String first,int99D．int:99,String:Int first
现有：3.importjava.util.*；4.classForInTest{5.staticListlist=newArrayList（）；6.publicstaticvoidmain（String[]args）{7.8.list.add（a）；list.add（b）；list.add（c）；9.//insertcodehere10.System.out.print（o）；}}哪一行插入到第9行将导致输出abc”？（）A.for（Objecto：list）B.for（Iteratoro：list）C.for（Objecto：list.iterator（））D.for（Iteratoro：list.iterator（）；o.hasNext（）；）
classClassA{publicintnumberOfinstances；protectedClassA（intnumberOfinstances）{this.numberOflnstances=numberOfinstances；}}publicclassExtendedAextendsClassA{privateExtendedA（intnumberOfinstances）{super（numberOflnstances）；}publicstaticvoidmain（String[]args）{ExtendedAext=newExtendedA（420）；System.out.print（ext.numberOflnstances）；}}Whichistrue？（）A.420istheoutput.B.Anexceptionisthrownatruntime.C.Allconstructorsmustbedeclaredpublic.D.ConstructorsCANNOTusetheprivatemodifier.E.ConstructorsCANNOTusetheprotectedmodifier.
publicclassFooimplementsRunnable(3.publicvoidrun(Threadt){4.system.out.printIn(Running.”);5.}6.publicstaticvoidmain(String[]args){7.newthread(newFoo()).start();8.)9.)Whatistheresult?() A.Anexceptionisthrown.B.Theprogramexistswithoutprintinganything.C.Anerroratline1causescompilationtofail.D.Anerroratline6causesthecompilationtofail.E.“Running”isprintedandtheprogramexits.
publicclassAlpha{privatestaticCharacter()ids;publicstaticvoidmain(String[]args){ids=newCharacter[args.length];for(inti=0;iids[i]=newCharacter(args[i]);System.out.print(ids[i]);}}}Whatiscorrect?() A.Compilationfails.B.Thecoderunswithnooutput.C.Anexceptionisthrownatruntime.D.Thecoderuns，outputingaconcatenatedlistoftheargumentspassedtotheprogram.
publicclassOuter{2.publicvoidsomeOuterMethod(){3.／／Line34.}5.publicclassInner{}6.publicstaticvoidmain(String[]argv){7.Outero=newOuter();8.／／Line89. }10. }WhichinstantiatesaninstanceofInner?() A.newInner（）；//Atline3B.newInner（）；//Atline8C.newo.Inner（）；//Atline8D.newOuter.Inner（）；//Atline8
下列程序段运行的结果为 public class Test{ static void print(String s,int i){ System.out.println("String:"+s+",int:"+i)； } static void print(int i, String s){ System.out.println("int:"+i+",String:"+s); } public static void main(String [] args){ print(99,"Int first"); } }A．String:Stringfirst,int:11B．int:11,String:Int firstC．String:String first,int：99D．int:99，String:int first
以下哪个main方法是正确的？A．public static void main(string[] args)B．public static void Main(String[] args)C．public static void main(String[] args)D．public static main(String[] args)E．public void main(String[] args)
main（)方法的正确定义方式是（）。A．public static void main (String [ ] args ) { new NameSurfer().start (args ) ; }B．public static main (String [ ] args ) { new NameSurfer().start (args ) ; }C．public void main (String [ ] args ) { new NameSurfer().start (args ) ; }D．public static void main (String [ ] args ) { NameSurfer().start (args ) ; }