1. public class OuterClass { 2. private double d1 = 1.0; 3. // insert code here 4. } Which two are valid if inserted at line 3?()
- A、 static class InnerOne { public double methoda() { return d1; } }
- B、 static class InnerOne { static double methoda() { return d1; } }
- C、 private class InnerOne { public double methoda() { return d1; } }
- D、 protected class InnerOne { static double methoda() { return d1; } }
- E、 public abstract class InnerOne { public abstract double methoda(); }
正确答案:C,E
答案解析:有

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