import java.util.*;
public class CircleKu
{
public static void main (String [] args)
{
Scanner scan= new Scanner(System.in);
double jari,area,kel;
double phi=3.14;
String warna;
System.out.println("Menghitung luas dan keliling lingkaran\\n");
System.out.println("Masukkan jari-jari lingkaran: ");
jari=scan.nextDouble();
Scanner txtscan=new Scanner(System.in);
System.out.println("Masukkan warna lingkaran: ");
warna=txtscan.nextLine();
area=phi*jari*jari;
kel=2*phi*jari;
System.out.println("Luas lingkaran "+area);
System.out.println("Keliling lingkaran "+kel);
System.out.println("Warna lingkaran "+warna);
}
}