编译并执行Java Online

import java.util.Scanner;

public class CubeNum {

   public static void main(String[] args) {

      Scanner sc=new Scanner(System.in);

      int num;

      System.out.print("Enter a number: ");

      num = sc.nextInt();

      System.out.println("Cube of "+ num + " is: "+ Math.pow(num, 3));

   }

}