practice.java

public class practice {
    public static void main(String[] args) {
        // Practice
        // Sum of digits

        // int a = 123456789, sum_of_digit = 0;
        // while (a>0) {
        //     int digit = a%10;
        //     sum_of_digit = sum_of_digit+digit;
        //     a = a/10;
        // }
        // // System.out.println("Sum of digits: "+sum_of_digit);
        // System.out.println("Total Sum: "+sum_of_digit);

        // Pyramid

        int row = 5;
        for (int i = 0; i<=row; i++){
            System.out.println();
            for (int j = row-i; j>=1; j--){
                System.out.print(" ");
            }
            for (int k = 0;k <= i; k++){
                System.out.print("* ");
            }
        }
        for (int i = row-1; i>=0; i--){
            System.out.println();
            for (int j = row-i; j>=1; j--){
                System.out.print(" ");
            }
            for (int k = 0;k <= i; k++){
                System.out.print("* ");
            }
        }
    }
    
}