import java.io.DataInputStream;
class AreaOfCircle
{
public static void main(String args[])
{
float i,r;
System.out.print("Enter the radius of area--->");
try
{
DataInputStream in = new DataInputStream(System.in);
r = Integer.parseInt(in.readLine());
demo obj1=new demo(r);
}
catch(Exception e)
{
System.out.println("The area is -->"+e);
}
}
}
class demo
{
double area,pi=3.14;
demo(double num)
{
area=pi*num*num;
System.out.println("The area is -->"+area);
}
}
0 comments:
Post a Comment