class A {
	
}

class B {
	
}

class C {
	public void talkTo(A x) {System.out.println("Hi A object!");}
	public void talkTo(B x) {System.out.println("Hi B object!");}
}

class P01_OneJava3Classes {

	public static void main(String[] args) {
		A a = new A();
		B b = new B();
		C c = new C();
		c.talkTo(a);
		c.talkTo(b);
	}
}