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A.正确
B.错误
A.正确
B.错误
第1题
A.Theprogramrunsandprintsnothing.
B.Theprogramrunsandprints“Finally”
C.Thecodecompiles,butanexceptionisthrownatruntime.
D.Thecodewillnotcompilebecausethecatchblockismissing.
第2题
A.Thecodecompilesand“s=”isprinted.
B.Thecodecompilesand“s=null”isprinted.
C.Thecodedoesnotcompilebecausestringsisnotinitialized.
D.Thecodedoesnotcompilebecausestringscannotbereferenced.
E.Thecodecompiles,butaNullPointerExceptionisthrownwhentoStringiscalled.
第3题
A.(a==c)
B.(d==e)
C.(b==d)
D.(a==b)
E.(b==c)
F.(d==10.0)
第4题
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(ix>0)System.out.println(args[ix]);
}
CODEFRAGMENTe:
publicstaticvoidmain(Stringargs[]){
try{System.out.println(args[args.length-1]);
}catch(NullPointerExceptione){}
}
第5题
A.Anexceptionisthrown.
B.Thecodedoesnocompile.
C.“HelloWorld.”Isprintedtotheterminal.
D.Theprogramexitswithoutprintinganything.
第6题
A.publicvoidmain(Stringargs[])
B.publicvoidstaticmain(Stringargs[])
C.publicstaticmain(String[]argv)
D.finalpublicstaticvoidmain(String[]array)
E.publicstaticvoidmain(Stringargs[])
第7题
A.publicmain(Stringargs[])
B.publicstaticvoidmain(Stringargs[])
C.privatestaticvoidmain(Stringargs[])
D.voidmain()
第8题
A.Finally
B.Compilationfails.
C.Thecoderunswithnooutput.
D.Anexceptionisthrownatruntime.
第9题
A.java.lang.StackOverflowError
B.java.lang.IllegalStateException
C.java.lang.ExceptionlnlnitializerError
D.java.lang.ArraylndexOutOfBoundsException
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