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.
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.
相关考题：
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.
publicclassfoo{publicstaticvoidmain(String[]args){Strings;system.out.printIn(s=”＋s);}}Whatistheresult?() A.Thecodecompilesand“s=”isprinted.B.Thecodecompilesand“s=null”isprinted.C.Thecodedoesnotcompilebecausestringsisnotinitialized.D.Thecodedoesnotcompilebecausestringscannotbereferenced.E.Thecodecompiles，butaNullPointerExceptionisthrownwhentoStringiscalled.
publicclassTest{publicstaticvoidmain(Stringargs){stringfoo=blue”;stringbar=foo;foo=green”;System.out.printIn(bar);}}Whatistheresult?() A.Anexceptionisthrown.B.Thecodewillnotcompile.C.Theprogramprints“null”D.Theprogramprints“blue”E.Theprogramprints“green”
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.
importjava.io.IOException；publicclassExceptionTest（publicstaticvoidmain（Stringargs）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.
publicclassfoo{publicstaticvoidmain(stringargs)try{return;}finally{system.out.printIn(Finally”);}}Whatistheresult?() A.Theprogramrunsandprintsnothing.B.Theprogramrunsandprints“Finally”C.Thecodecompiles，butanexceptionisthrownatruntime.D.Thecodewillnotcompilebecausethecatchblockismissing.
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.