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{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.
相关考题:
publicclassFoo{publicvoidmain(String[]args){system.out.printIn(HelloWorld.”);}}Whatistheresult?() A.Anexceptionisthrown.B.Thecodedoesnocompile.C.“HelloWorld.”Isprintedtotheterminal.D.Theprogramexitswithoutprintinganything.
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.
publicclassX{publicstaticvoidmain(String[]args){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(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.
publicclassfoo{publicstaticvoidmain(string[]args)try{return;}finally{system.out.printIn(Finally”);}}Whatistheresult?() A.Theprogramrunsandprintsnothing.B.Theprogramrunsandprints“Finally”C.Thecodecompiles,butanexceptionisthrownatruntime.D.Thecodewillnotcompilebecausethecatchblockismissing.
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.
publicclassFoo{publicstaticvoidmain(String[]args){try{return;}finally{System.out.println(Finally”);}}}Whatistheresult?() A.FinallyB.Compilationfails.C.Thecoderunswithnooutput.D.Anexceptionisthrownatruntime.
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.