SCJP 1.6版考題 104

Given:
10. class Line{
11.   public static class Point{}
12. }
13.
14. class Triangle{
15.   //insert code here
16. }


Which code, inserted at line 15, creates an instance of the Point class defined in Line?
  A. Point p = new Point();
  B. Line.Point p = new Line.Point();
  C. The Point class cannot be instatiated at line 15.
  D. Line l = new Line(); l.Point p = new l.Point();

解答

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Ans: B

解說: 由於Point是Line的類別成員，在存取Point是必須使用Line.Point