publicclassA{2.publicvoiddoit(){3.}4.publicStringdoit(){5.returna”;6.}7.publicdoubledoit(intx){8.ret
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A.Anexceptionisthrownatruntime.
B.Compilationfailsbecauseofanerrorinline7.
C.Compilationfailsbecauseofanerrorinline4.
D.CompilationsucceedsandnoruntimeerrorswithclassAoccur.
参考答案: