Java programming

/* This program determine the nth number of fibonaci series Samle input 8 output 1 1 2 3 5 8 13 21 */ import java.io.*; class Fibonacci { public static void main(String args[])throws IOException { int f1=0,f2=1,f; BufferedReader in=new BufferedReader(new InputStreamReader(System.in)); //DataInputStream in=new DataInputStream (System.in); System.out.println("Enter your number:"); int c=Integer.parseInt(in.readLine()); System.out.printf("First %d Fibonacci Numbers are:\n",c); for(int i=1;i<=c;i++) { f=f1+f2; System.out.printf("%d\t",f); f2=f1; f1=f; } System.out.println(""); } }