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