gb-java-devel/seminars/src/s02-h3-inverse.java

 private static void change(int[] a) {
    for (int i = 0; i < a.length; i++) {
        a[i] = 1 - a[i];
//        a[i] = (a[i] - 1) * -1;
//        a[i] = (a[i] + 1) % 2;
    }
}