nth fibonacci

import java.io.*;
import java.util.*;


class Fibonacci {

  public static void main (String[] args) {
    int n = 2;
        System.out.println(getFib(n));
    }
  //***int index is the state variable

  private static final int getFib(int index){
    if(index < 2){
      return index;
    }else{
      return getFib(index-1) + getFib(index-2);
    }
  }

}