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全部科目 > Oracle认证考试 > OCJP(310-065)

多项选择题

Given:

Which two methods, inserted individually, correctly complete the Three class?()

    A.public void foo() {}
    B.public int foo() { return 3; }
    C.public Two foo() { return this; }
    D.public One foo() { return this; }
    E.public Object foo() { return this; }

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