@Override
 @SuppressWarnings("unchecked")
 public T remove(int index) {
 Objects.checkIndex(index, size);
 T removedElement = (T) elements[index];
 Object[] copy = new Object[elements.length];
 System.arraycopy(elements, 0, copy, 0, index);
 System.arraycopy(elements, index + 1, copy, index, size - index - 1);
 elements = copy;
 size--;
 return removedElement;
 }

@Test
 @Order(24)
 void removeElementByIndex() {
 fillTestArray(15, 69, 58, 78, 100);
 int removedElement = arrayList.remove(2);
 Object[] internalArray = getTestArray();
 assertThat(internalArray[2]).isEqualTo(78);
 assertThat(internalArray[1]).isEqualTo(69);
 assertThat(getTestSize()).isEqualTo(4);
 assertThat(removedElement).isEqualTo(58);
 }