'X' organisation has a Personnel/HR Department, whose head reports to the General Administrative Manager, under whom there are other departments like public relations, security, estate etc. Under the head of Personnel/HR Department, there is one Personnel Manager looking after personnel functions and an Industrial Relations Manager to deal with unions. Such a Personnel/HR Department is called

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 */ } }