Mencari Luas Lingkaran Menggunakan Jeliot

import jeliot.io.*;
public class MyClass {

public static void main() {

// Your algorithm goes here.

int r;

float luas;

System.out.print(“masukan r = “);

r = Input.readInt();

luas = (float)3.14*r*r;

System.out.print(luas);

}}