Whichstatementsconcerningthevalueofamembervariablearetrue,whennoexplicitassignmentshavebeenmade?()

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A.Thevalueofanintisundetermined.

B.Thevalueofallnumerictypesiszero.

C.Thecompilermayissueanerrorifthevariableisusedbeforeitisinitialized.

D.ThevalueofaStringvariableis""(emptystring).

E.Thevalueofallobjectvariablesisnull.

参考答案:

参考B, E

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