HelloJava

package hellojava;
import java.util.Scanner;

public class HelloJava {

    public static void main(String[] args) {
        Scanner sn = new Scanner(System.in);
        Shape sp = new Shape();

        System.out.print("Enter the size: ");
        sp.numPyramid(sn.nextInt());
    }

    public static void split(int n){
        int rem, res = 1;

        while(n != 0){
            rem = n % 10;
            res *= rem;
            n = n / 10;
        }
        System.out.println(res + " ");

    }

    public static void decToBin(int n){
        int rem = 0, i = 0;
        int[] a = new int[5];

        while(n != 0){
            rem = n % 2;
            n = n / 2;
            a[i] = rem;
            i++;
        }

        for(int j = i-1; j >= 0; j--){
            System.out.print(a[j]);
        }

        System.out.println("");

    }

}