题目内容:
interfaceBeta{}classAlphaimplementsBeta{StringtestIt(){returnTested”;}}publicclassMain1{staticBetagetIt(){returnnewAlpha();}publicstaticvoidmain(String[]args){Betab=getIt();System.out.println(b.testIt());}}Whatistheresult?()A.Tested
B.Compilationfails.
C.Thecoderunswithnooutput.
D.Anexceptionisthrownatruntime.
参考答案: