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Whichthe twodemonstrateencapsulationofdata？（）

A.Memberdatahavenoaccessmodifiers.
B.Memberdatacanbemodifieddirectly.
C.Theaccessmodifierformethodsisprotected.
D.Theaccessmodifiertomemberdataisprivate.
E.Methodsprovideforaccessandmodificationofdata.

【参考答案】

D, E

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Whichtwodirectivesareapplicableonlytotagfiles？（）

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