Program to demonstrate - toString()

/* Program to demonstrate - toString() */

class Rectangle
{
    int length;
    int width;

    Rectangle(int l,int w)
    {       
        length = l;
        width = w;
    }

    public String toString()
    {
        return "Dimensions are "+length+" by "+width+".";
    }
   
}


class toStringDemo
{
    public static void main(String args[])
    {
        Rectangle rect = new Rectangle(20,15);
        String s = "Rectangle rect : " +rect;  // concatenate Rectangle object

        System.out.println(rect);   // convert Rectangle to String
        System.out.println(s);
    }
}