classOne{voidfoo(){}}classTwoextendsOne{//insertmethodhere}Whichthreemethods,ins
2021-05-05
A.intfoo(){/*morecodehere*/}
B.voidfoo(){/*morecodehere*/}
C.publicvoidfoo(){/*morecodehere*/}
D.privatevoidfoo(){/*morecodehere*/}
E.protectedvoidfoo(){/*morecodehere*/}
正确答案:参考B, C, E
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