How to print the nth number of a Fibonacci series by recursive method

//How to print the nth number of a Fibonacci series by recursive method

//                                                            fibo(5)         
//                               fibo(4)                      +                    f ibo(3)
//           fibo(3)             +         f ibo(2)      +        fibo(2)        +     fibo(1)
//fibo(2)   +   fibo(1)     +              1           +             1            +        1
//   1         +       1          +              1           +             1            +        1         =  5

import java.io.*;
class fibonacci
{
public static long fibonacci(int n)
{
if(n<=0)
return 1;
return fibonacci(n-1) +fibonacci(n-2);
}
public static void main(String[] args) throws IOException
{
BufferedReader rd = new BufferedReader(new InputStreamReader(System.in));
System.out.print("\nEnter number : ");
int n=Integer.parseInt(rd.readLine());
System.out.print("\n" + n + "dth number of a Fibonacci series is = " + fibonacci(n));
}
}