program to explain static import for static Field in Java

// program to explain static import for static Field.
import java.util.Scanner;
import static java.lang.Math.PI;
class StaticImport2
{
public static void main( String args[ ] )
{
 double r, a;
 Scanner sc = new Scanner( System.in );
 
 System.out.print("Enter Radius : ");
 r = sc.nextDouble();
 
 a = PI * r * r;
 
 System.out.println("Area of Circle : " + a);
}
}

Output:
Enter Radius : 10
Area of Circle : 314.1592653589793