Fibonacci

package au.com.d2klry;

public class Fibonacci {

    public static void main(String[] args) {
        long prevValue = 1;
        long prevPrevValue = 0;
        long currentValue = 0;
        for (int i = 0; i < 20; i++) {

            prevPrevValue = prevValue;
            prevValue = currentValue;

            System.out.format("%d\t", currentValue);
            currentValue = prevValue + prevPrevValue;
        }
    }
}