编辑代码

class Circle {
    private double radius = 0;
    public static int count = 1;

    public Circle(double radius){
        this.radius = radius;        
        
    }

    private Draw getDrawInstance(){
        return new Draw();
    }

    class Draw{  //内部类
        public void drawShape() {
            System.out.println(radius); //外部类的private成员
            System.out.println(count);//外部类的静态成员
        }
    }

    public static void main(String[] args){
        Circle c =new Circle(100);
        Circle.Draw d = c.getDrawInstance();
        d.drawShape();
    }


}