y

import java.util.Scanner;
public class TugasPersonalMita {
    public static void main(String[] args) {
        Scanner scan = new Scanner(System.in);
        char choice;
        do{
            System.out.println("Belajar Deret Aritmatika, Geometri dan Menghitung Faktorial");
            System.out.println("Masukkan Banyak Angka Yang Ingin Dicetak [2-10]: ");
            int banyakangka = scan.nextInt();
            System.out.println("Masukkan Beda Masing-Masing Angka [2-9]: ");
            int bedaangka = scan.nextInt();

            String deretaritmatika = "Deret Aritmatika: ";
            String deretgeometri = "Deret Geometri: ";
            String faktorial = "Faktorial Dari " + banyakangka + ":";

            System.out.print(deretaritmatika + "\n");
            for (int i = 1; i <= banyakangka * bedaangka; i = i +
                    bedaangka) {
                System.out.print(i + " ");
            }

            System.out.print("\n" + deretgeometri + "\n");
            int a = 1, total = 0;
            for(int i = 1; i <= banyakangka; i++){
                System.out.print(a + total);
                a = a * 2;
                if (i<banyakangka){
                    System.out.print(" ");
                } else{
                    System.out.print("");
                }
            }

            System.out.print("\n" + faktorial + "\n");
            for (int i = banyakangka;
                 i >= 1; i--) {
                System.out.print(i + " ");
            }
            System.out.println(" = " + faktoriall (banyakangka));

            System.out.println("Apakah Anda Ingin Mengulang? [Y/T]: ");
            choice = scan.next().charAt(0);
        }
        while (choice == 'y' || choice == 'Y') ;
        scan.close();
    }
    public static int faktoriall(int n){
        if (n==1){
            return 1;
        }else{
            return n * faktoriall(n - 1);
        }
    }
}