/* * Copyright (c) 2000 David Flanagan.  All rights reserved. * This code is from the book Java Examples in a Nutshell, 2nd Edition. * It is provided AS-IS, WITHOUT ANY WARRANTY either expressed or implied. * You may study, use, and modify it for any non-commercial purpose. * You may distribute it non-commercially as long as you retain this notice. * For a commercial use license, or to purchase the book (recommended), * visit http://www.davidflanagan.com/javaexamples2. */package com.davidflanagan.examples.basics;/** * This program prints out the first 20 numbers in the Fibonacci sequence. * Each term is formed by adding together the previous two terms in the * sequence, starting with the terms 1 and 1. **/public class Fibonacci {    public static void main(String[] args) {	int n0 = 1, n1 = 1, n2;          // Initialize variables	System.out.print(n0 + " " +      // Print first and second terms			 n1 + " ");      // of the series        for(int i = 0; i < 18; i++) {    // Loop for the next 18 terms            n2 = n1 + n0;                // Next term is sum of previous two            System.out.print(n2 + " ");  // Print it out	    n0 = n1;                     // First previous becomes 2nd previous	    n1 = n2;                     // And current number becomes previous        }        System.out.println();            // Terminate the line    }}