public class Main {
public static void main(String[] args) {
Array arr = new Array<>();
for (int i = 0; i < 10; i++) {
arr.addLast(i);
}
System.out.println(arr);
arr.add(1, 100);
System.out.println(arr);
arr.addFirst(-1);
System.out.println(arr);
arr.remove(2);
System.out.println(arr);
arr.remove(1);
System.out.println(arr);
}
}