public class Driver
{
    public static void main(String [] args)
    {
	// A reference to an array, array not created yet.
	Person [] somePeople;
	int i;

	// Create array
	// Each element is a reference to a Person object but note
	// the Person constructor hasn't been called yet to create Person
	// objects. (Each array element is null).
	somePeople = new Person[3];

	// Proof that each element is null, uncomment and see what
	// happens
	// somePeople[0].setAge(10);
	for (i = 0; i < 3; i++)
	{
	    // Create Person object, each array element will contain the
	    // address of the newly created object.
	    somePeople[i] = new Person(); 

	    // Because array elements now refer to an object, methods
	    // can be invoked.
	    somePeople[i].setAge(i);
	    System.out.println("Age: " + somePeople[i].getAge());
	}
       
    }
}