i couldn't run the program

Question

import java.util.Scanner;
public class Areaofcircle{
public static void main(String[] args){
final float PI=3.14f; //aba float ko value change hudaina kailai
Scanner object = new Scanner(System.in);
System.out.println("ENTER RADIOUS");
float radious = object.nextFloat();

float AOC = PI*(radious*radious);
System.out.println("The area of circle is " +AOC);
}
}

Answer 1

You should Import package before declaring the Class.

Answer 2

put the import at the top of the class

Answer 3

(Sorry i posted the wrong, code. ) even i had declare the import package before the class. Error occurred