publicclassA{2.publicvoiddoit(){3.}4.publicStringdoit(){5.returna”;6.}7.publicdoubledoit(intx){8.ret

9 查阅

A.Anexceptionisthrownatruntime.

B.Compilationfailsbecauseofanerrorinline7.

C.Compilationfailsbecauseofanerrorinline4.

D.CompilationsucceedsandnoruntimeerrorswithclassAoccur.

参考答案:

参考C

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