protected static int[] arrayRemove(int[] a, int b) {
if (Sonet.arrayContains(a, b)) {
int[] c = new int[a.length - 1];
int i = 0;
for (int d : a) {
if (d != b) {
c[i++] = d;
}
}
return c;
} else {
return a;
}
}
protected static int[] arrayAdd(int[] a, int b) {
if (!Sonet.arrayContains(a, b)) {
int cLen = a.length;
int[] c = new int[cLen];
for (int i = 0; i < cLen; i++) {
c[i] = a[i];
}
a = new int[cLen + 1];
for (int i = 0; i < cLen; i++) {
a[i] = c[i];
}
a[cLen] = b;
}
return a;
}