inserir no dardo de matriz
// as a data structure
void insert(int arrElement, int index) {
int length = arr.length - 1;
if (index >= 0 && index < length) {
for (int i = length; i > index; i--) {
arr[i] = arr[i - 1];
}
arr[index] = arrElement;
}
}
Old-fashioned Okapi