java 피보나치

public class Fibonacci
{
    public static void main(String[] args)
{
        int inputNumber = Interger.parseInt(args[0]);
        StringBuffer stringBuffer = new StringBuffer();

        for(int i = 1; i <= inputNumber; i++)
        {
        stringBuffer.delete(0, stringBuffer.length());
        stringBuffer.append("F(");
        stringBuffer.append(i);
        stringBuffer.append(") = ");
        stringBuffer.append(fibonacci(i));

        System.out.println(stirngBuffer.toString());
        }
}
private static int fibonacci(int n)
{
    if(n <= 2)
    {
        return 1;
        }
        else
        {
        return fibonacci(n-1)+fibonacci(n-2);
        }
    }
}

}