Program to demonstrate method that takes parameters

/* Program to demonstrate method that takes parameters */

class Rectangle
{
    int length;
    int width;

    // compute and return Area of a Rectangle
    int area()
    {
        return length*width;
    }

    // sets values of rectangle
    void setdata(int l,int w)
    {
        length = l;
        width = w;
    }
}


class RectangleDemo4
{
    public static void main(String args[])
    {
        Rectangle rect1 = new Rectangle();
        Rectangle rect2 = new Rectangle();
        int a;
   
        // initialize each rectangle
        rect1.setdata(20,15);
        rect2.setdata(25,17);
       
        // get area of first rectangle
        a = rect1.area();         
        System.out.println(" Area of First Rectangle is : "+a);
       
        // get area of second rectangle
        a= rect2.area();         
        System.out.println(" Area of Second Rectangle is : "+a);
    }
}