Membuat Barisan Bilangan Fibonacci

BarisanFibonacci

import java.io.BufferedReader;
import java.io.IOException;
import java.io.InputStreamReader;

/**
 * @Developer    : Erik Gunawan
 * @Nickname     : EXz
 * @Phone        : 0896 5332 0577
 * @EMail        : admin@erikgunawan.com
 * @Gmail        : erik.gunawan44@gmail.com
 * @Website      : www.erikgunawan.com
 * @Facebook     : facebook.com/revolutionist.exz
 * @Twitter      : twitter.com/_EXz
 */

public class BarisanFibonacci {
    
    private static BufferedReader br = null;
    
    public static void main(String[] args) {
        System.out.println("==================================");
        System.out.println("Program Barisan Bilangan Fibonacci");
        System.out.println("==================================");
        System.out.println();
        
        boolean cek = true;
        while (cek) {
            br = new BufferedReader(new InputStreamReader(System.in));
            try {
                System.out.print("Masukkan jumlah suku barisan : ");
                int n = Integer.parseInt(br.readLine());
                System.out.println();

                System.out.println("Barisan " + n + " suku pertama bilangan Fibonacci adalah : ");
                
                int[] arr = new int[n];
                arr[0] = 0;
                arr[1] = 1;
                
                for (int i=2; i<n; i++) {
                    arr[i] = arr[i-2] + arr[i-1];
                }
                
                for (int i=0; i<arr.length; i++) {
                    if (i==arr.length-1)
                        System.out.print(arr[i]);
                    else
                        System.out.print(arr[i] + ", ");
                }
    
                System.out.println();

                System.out.print("Ingin coba lagi (Y/N) ? ");

                String coba = br.readLine();
                if (coba.equalsIgnoreCase("N"))
                    cek = false;
                else if (coba.equalsIgnoreCase("Y"))
                    cek = true;
                else
                    System.exit(0);
            }
            catch (IOException ioe) {
                System.out.println("Error IOException");
            }
        }
    }
}