IntArrayList.java

import  java.util.Arrays;
public class IntArrayList implements IntList{
    private int[] array;
    private int size;

    public IntArrayList() {
        array = new int[10];
        size = 0;
    }

    @Override
    public void add(int number) {
        if (size == array.length) {
            array = Arrays.copyOf(array, array.length + array.length / 2);
        }
        array[size++] = number;
    }

   /* @Override
    public int get(int id) {
        return 0;
    }*/

    @Override
    public int get(int id) {
        if (id < 0 || id >= size) {
            throw new IndexOutOfBoundsException("ID out of bounds");
        }
        return array[id];

    }
}