Java program to find area to circle and rectangle

Area of a circle and Area of rectangle can simply be evaluated using following formula.

Area = pi * r2
where r is radius of circle 

Area = l*b
where l is length and b is breadth.

File name - Area.java

class Area
{
public static void main(String args[])
{
int Circle_area, Rect_area, l, b, r;
l=10;
b=5;
r=13;

Circle_area=2*r*r;
Rect_area=l*b;

System.out.println("Area of Circle is "+Circle_area);
System.out.println("Area of Rectangle is "+Rect_area);
}
}



Output-

Area of Circle is 338

Area of Rectangle is 50