Which of the following statements are true in context of a company under Company Act, 2013?<br>1. It is compulsory for every company to have its own Article of Association.<br>2. A public company having share capital can start business right from the date of its incorporation.<br>3. A private company having share capital can start business right from the date of its incorporation.

A. public class Circle implements Shape { private int radius; }B. public abstract class Circle extends Shape { private int radius; }C. public class Circle extends Shape { private int radius; public void draw(); }D. public abstract class Circle implements Shape { private int radius; public void draw(); }E. public class Circle extends Shape { private int radius; public void draw() { /* code here */ } }F. public abstract class Circle implements Shape { private int radius; public void draw() { /* code here */ } }