A.Bazhasthevalueof0
B.Bazhasthevalueof1
C.Bazhasthevalueof2
D.Anexceptionisthrown.
E.Thecodewillnotcompile.
第1题
A.Thecodecompilesand“s=”isprinted.
B.Thecodecompilesand“s=null”isprinted.
C.Thecodedoesnotcompilebecausestringsisnotinitialized.
D.Thecodedoesnotcompilebecausestringscannotbereferenced.
E.Thecodecompiles,butaNullPointerExceptionisthrownwhentoStringiscalled.
第2题
A.Publicdoublemethoda();
B.Staticvoidmethoda(doubled1){}
C.Publicnativedoublemethoda();
D.Abstractpublicvoidmethoda();
E.Protectedvoidmethoda(doubled1){}
第3题
A.Public
B.Private
C.Protected
D.Transient
E.Noaccessmodifierisqualified
第4题
A.Compilationissuccessful.
B.Anerroronline6causesaruntimefailure.
C.Anerroratline6causescompilationtofail.
D.Anerroratline2causescompilationtofail.
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