pi accuaracy

class Main {
        public static void main(String argv[]) {
                String pi_string = "3.14159265358979323846264338327950288419716939937510";
                double pi_double = 3.14159265358979323846264338327950288419716939937510;
                float pi_float = (float)3.14159265358979323846264338327950288419716939937510;
                System.out.println("As string: " + pi_string);
                System.out.println("As double: " + pi_double);
                System.out.println("As float: " + pi_float);
        }
}