Sophomore Java Homework-P4.16

/**
 * Name: Fibonacci numbers-loop method
 * @author LinChuWen
 * Date: 2014.10.14
 *
 * NCHU EE,course number:2335
 * course name: Object Oriented Language
 * Textbook: Big Java:Late Objects-Cay S. Horstmann
 * Problem: P4.16
 * Description: Enter an integer "n", then prints the nth Fibonacci number.
 */
import java.util.*;
public class HW3_P4_16_loop {

    public static void main(String[] args) {
        Scanner input = new Scanner(System.in);
        long fold1,fold2,fnew;

        while(input.hasNext()){
            int n = input.nextInt();
            fold1 = 0; fold2 = 1; fnew = 0;

            for(int cnt=1;cnt<=n;cnt++){
                fnew = fold1 + fold2;
                fold2 = fold1;
                fold1 = fnew;
            } //for end

            System.out.println(fnew);
        } //while end

        input.close();
    } //main end
} //class end