Java - Ayuda

)

 * @version (a version number or a date)

 */

import java.util.Scanner;

public class Fibonacci{

    public static void main(String [] args){

        int b=leerentero();

        int f=leer2entero(b);

        secuFibonacci(b,f);

    }

    static int leerentero(){

        System.out.println("Introduce posicion inicial(>=1): ");

        Scanner input=new Scanner(System.in);

        return input.nextInt();

    }

    static int leer2entero(int b){

        System.out.println("Introduce posicion final(>=b): ");

        Scanner input=new Scanner(System.in);

        return input.nextInt();

    }

    static void secuFibonacci(int b,int f){

        int num1=0;

        int num2=1;

        int suma=1;

        for(int i=0;i<=f+1;i=i+1){//posicion final

            suma=num1+num2;

            if(b<i){

                System.out.print(suma+ " ");

            }

            num1=num2;

            num2=suma;

        }

    }

}