What will be the output of the following Java code?

public class Shape 
{
	public int area()
        {
		return 1;
	}
}
public class Square extends Shape 
{
	public int area()
        {
		return 2;
	}
}
public class Rectangle extends Shape 
{
	public int area()
        {
		return 3;
	}
}
public static void main(String[] args)
{
	 Shape square = new Square();
   	 Shape rect = new Rectangle();
     	 square = rect;
	 System.out.println(square.area());
}