单项选择题
Given: 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();
单项选择题 Given: Which statement is true?（）
单项选择题 Click the Exhibit button. Given: ClassA a = new ClassA(); a.methodA(); What is the result? （）
单项选择题 Given: What is the result?（）
