Given：Andthefollowingfivefragments：publicstaticvoidmain（String...a）{publicstaticvoidmain（String.*a）{publicstaticvoidmain（String...a）{publicstaticvoidmain（String[]...a）{publicstaticvoidmain（String...[]a）{Howmanyofthecodefragments，insertedindependentlyatline2，compile？（）A.0B.1C.2D.3E.4
Given：Andthefollowingfivefragments：publicstaticvoidmain（String...a）{publicstaticvoidmain（String.*a）{publicstaticvoidmain（String...a）{publicstaticvoidmain（String[]...a）{publicstaticvoidmain（String...[]a）{Howmanyofthecodefragments，insertedindependentlyatline2，compile？（）
A.0
B.1
C.2
D.3
E.4
相关考题：
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）{}
下面程序的输出结果是()publicclassTest{publicstaticvoidmain(String[]args){Strings=abcdsfghi”;String[]arr=s.split(\s”);System.out.println(arr.length);}} A.编译报错B.2C.1D.3
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){}
Given1.publicclassFoo{2.publicstaticvoidmain(String[]args)}3.try{return;}4.finally{Syste.out.printIn(Finally”);}5.}6.}Whatistheresult()? A.Theprogramrunsandprintsnothing.B.Theprogramrunsandprints“Finally”.C.Thecodecomiles.Butanexceptionisthrownatruntime.D.Thecodewillnotcompilebecausethecatchblockismissing.
classMineral{staticStringshiny（）{return1；}}classGraniteextendsMineral{publicstaticvoidmain（String[]args）{Strings=shiny（）+getShiny（）；s=s+super.shiny（）；System.out.println（s）；}staticStringgetShiny（）{returnshiny（）；}}结果为：（）A.3B.12C.111D.编译失败
finalclassTree｛privatestaticStringtree＝tree；StringgetTree（）｛returntree；｝｝classElmextendsTree｛privatestaticStringtree＝elm；publicstaticvoidmain（String[]args）｛newElm（）.go（newTree（））；｝voidgo（Treet）｛Strings＝t.getTree（）+Elm.tree+tree+（newElm（）.getTree（））；System.out.println（s）；｝｝结果为：（）A.elmelmelmelmB.treeelmelmelmC.treeelmtreeelmD.编译失败
importjava.util.*;classScanStuff{publicstaticvoidmain(String[]args){Strings=x,yy,123;Scannersc=newScanner(s);while(sc.hasNext())System.out.print(sc.next()＋);}}结果是什么?() A.xyyB.x，yyC.xyy123D.x，yy，123
现有：classTree{privatestaticStringtree=tree；StringgetTree（）{returntree；}}classElmextendsTree{privatestaticStringtree=elm；publicstaticvoidmain（String[]args）{newElm（）.go（newTree（））；}}voidgo（Treet）{Strings=t.getTree（）+Elm.tree+tree+（newElm（）.getTree（））；System.out.println（s）；}结果为：（）
interfaceDeclareStuff{publicstaticfinalintEASY=3；voiddoStuff（intt）；}publicclassTestDeclareimplementsDeclareStuff{publicstaticvoidmain（String[]args）{intx=5；newTestDeclare（）.doStuff（++x）；}voiddoStuff（ints）{s+=EASY+++s；System.out.println（”s+s）；}}Whatistheresult？（）A.s14B.s16C.s10D.Compilationfails.E.Anexceptionisthrownatruntime.
publicclassTest{publicstaticvoidmain(String[]args){booleanassert=true;if(assert){System.out.println(”assertistrue”);}}}Given:javac－source1.3Test.javaWhatistheresult?() A.Compilationfails.B.Compilationsucceedswitherrors.C.Compilationsucceedswithwarnings.D.Compilationsucceedswithoutwarningsorerrors.
Whichcodefragmentswillsucceedinprintingthelastargumentgivenonthecommandlinetothestandardoutput，andexitgracefullywithnooutputifnoargumentsaregiven？（）CODEFRAGMENTa：publicstaticvoidmain（Stringargs[]）{if（args.length!=0）System.out.println（args[args.length-1]）；}CODEFRAGMENTb：publicstaticvoidmain（Stringargs[]）{try{System.out.println（args[args.length]）；}catch（ArrayIndexOutOfBoundsExceptione）{}}CODEFRAGMENTc：publicstaticvoidmain（Stringargs[]）{intix=args.length；Stringlast=args[ix]；if（ix!=0）System.out.println（last）；}CODEFRAGMENTd：publicstaticvoidmain（Stringargs[]）{intix=args.length-1；if（ix0）System.out.println（args[ix]）；}CODEFRAGMENTe：publicstaticvoidmain（Stringargs[]）{try{System.out.println（args[args.length-1]）；}catch（NullPointerExceptione）{}}
Whatwillbewrittentothestandardoutputwhenthefollowingprogramisrun?()publicclassQd803{publicstaticvoidmain(Stringargs[]){Stringword=restructure;System.out.println(word.substring(2,3));}} A.estB.esC.strD.stE.s
IfthissourcecodeiscontainedinafilecalledSmallProg.java，whatcommandshouldbeusedtocompileitusingtheJDK？（）publicclassSmallProg{publicstaticvoidmain（Stringargs[]）{System.out.println（Goodluck!）；}}A.javaSmallProgB.avacSmallProgC.javacSmallProg.javaD.javaSmallProgmain
publicclassX{publicstaticvoidmain(String[]args){strings=newstring(Hello”);modify(s);System.out.printIn(s);}publicstaticvoidmodify(Strings){s＋=world!”;}}Whatistheresult?() A.Theprogramrunsandprints“Hello”B.Anerrorcausescompilationtofail.C.Theprogramrunsandprints“Helloworld!”D.Theprogramrunsbutabortswithanexception.
publicclassfoo{staticStrings;publicstaticvoidmain(String[]args){system.out.printIn(s=”＋s);}}Whatistheresult?() A.Thecodecompilesand“s=”isprinted.B.Thecodecompilesand“s=null”isprinted.C.Thecodedoesnotcompilebecausestringsisnotinitialized.D.Thecodedoesnotcompilebecausestringscannotbereferenced.E.Thecodecompiles，butaNullPointerExceptionisthrownwhentoStringiscalled.
publicclassTest{publicstaticvoidmain(String[]args){Stringstr=NULL;System.out.println(str);}}Whatistheresult?() A.NULLB.Compilationfails.C.Thecoderunswithnooutput.D.Anexceptionisthrownatruntime.
publicclassFoo{publicstaticvoidmain(String[]args){try{return;}finally{System.out.println(Finally”);}}}Whatistheresult?() A.FinallyB.Compilationfails.C.Thecoderunswithnooutput.D.Anexceptionisthrownatruntime.
publicclassX{publicstaticvoidmain(Stringargs){strings=newstring(Hello”);modify(s);System.out.printIn(s);}publicstaticvoidmodify(Strings){s＋=world!”;}}Whatistheresult?() A.Theprogramrunsandprints“Hello”B.Anerrorcausescompilationtofail.C.Theprogramrunsandprints“Helloworld!”D.Theprogramrunsbutabortswithanexception.
publicclassX{publicstaticvoidmain(Stringargs){Strings1=newString(true”);Booleanb1=newBoolean(true);if(s2.equals(b1)){System.out.printIn(Equal”);}}}Whatistheresult?() A.Theprogramrunsandprintsnothing.B.Theprogramrunsandprints“Equal”C.Anerroratline5causescompilationtofail.D.Theprogramrunsbutabortswithanexception.
Given:310－025LeadingthewayinITtestingandcertificationtools,www.testking.com－48－publicclassfoo{staticStrings;publicstaticvoidmain(Stringargs){system.out.printIn(s=”＋s);}}Whatistheresult?() A.Thecodecompilesand“s=”isprinted.B.Thecodecompilesand“s=null”isprinted.C.Thecodedoesnotcompilebecausestringsisnotinitialized.D.Thecodedoesnotcompilebecausestringscannotbereferenced.E.Thecodecompiles，butaNullPointerExceptionisthrownwhentoStringiscalled.
publicclassfoo{publicstaticvoidmain(Stringargs){Strings;system.out.printIn(s=”＋s);}}Whatistheresult?() A.Thecodecompilesand“s=”isprinted.B.Thecodecompilesand“s=null”isprinted.C.Thecodedoesnotcompilebecausestringsisnotinitialized.D.Thecodedoesnotcompilebecausestringscannotbereferenced.E.Thecodecompiles，butaNullPointerExceptionisthrownwhentoStringiscalled.
Given：11.staticclassA{12.voidprocess（）throwsException{thrownewException（）；}13.}14.staticclassBextendsA{15.voidprocess（）{System.out.println（B）；}16.}17.publicstaticvoidmain（String[]args）{18.Aa=newB（）；19.a.process（）；20.}Whatistheresult？（）A.Compilationfailsbecauseofanerrorinline19.B.Anexceptionisthrownatruntime.C.BD.Compilationfailsbecauseofanerrorinline18.E.Compilationfailsbecauseofanerrorinline15.F.Thecoderunswithnooutput.
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.
main方法是javaapplication程序执行的入口点，关于main方法的方法头，以下()是合法的。A．publicstaticvoidmain()B．publicstaticvoidmain(Stringargs[])C．publicstaticintmain(string[]arg)D．publicvoidmain(stringarg[])
下列程序的运行结果是（） classProgramx=0，y=-1； { publicstaticvoidMain（string[]args） { int i=0，s=1； do{s/=s+1；i++； } while（i=10）； Console.WriteLine（“i={0}，s={1}”，i，s）；
填空题下列程序的运行结果是（） classProgramx=0，y=-1； { publicstaticvoidMain（string[]args） { int i=0，s=1； do{s/=s+1；i++； } while（i=10）； Console.WriteLine（“i={0}，s={1}”，i，s）；