// Example: 
// An employee is both a boss and a subordinate

// Approximating Multiple Inheritance in Java
// Using interface and/or composition
// (Ref https://ioflood.com/blog/java-multiple-inheritance/)
// (Ref https://en.wikipedia.org/wiki/Composition_over_inheritance)

//====================
interface IBoss {
	public void award();	
}

interface ISubordinate {
	public void work();	
}

class Boss implements IBoss {
	public void award() {System.out.print("I give award. ");}	
}

class Subordinate implements ISubordinate{
	public void work() {System.out.print("I work. ");}	
}

//====================
class Employee implements IBoss, ISubordinate{
	private Boss b = new Boss();
	private Subordinate s = new Subordinate();
	
	public void award() {b.award();}
	public void work() {s.work();}
}

//====================
class Main {
	public static void main(String[] args) {
		Employee p = new Employee();
		p.work();
		p.award();
	}
}
//====================