Fibonacci Numbers in Java

public class Main {
    public static void main(String[] args) {

        int count = 7;

        int a = -1, b = 1;
        for (int i = 1; i <= count; i++) {
            int next = a + b;
            a = b;
            b = next;
            System.out.println(b);
        }
    }
}