What is/are the following differences between private and public limited companies?<br>1. In a private limited company there is restriction on the number of members, where as no such restriction is applicable on a public limited company.<br>2. A private limited company can be listed on a stock exchange, where as a public limited company is always listed on a stock exchange.<br>3. A private limited company cannot issue debentures, whereas a public limited company can issue debentures.

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 */ } }