package datastructure.array;

public class Array {

    private E[] data;
    private int size;

    // capacityArray
    public Array(int capacity) {
        data = (E[]) new Object[capacity];
        size = 0;
    }

    // capacity=10
    public Array() {
        this(10);
    }

    // 
    public int getCapacity() {
        return data.length;
    }

    // 
    public int getSize() {
        return size;
    }

    // 
    public boolean isEmpty() {
        return size == 0;
    }

    // indexe
    public void add(int index, E e) {

        if (index < 0 || index > size)
            throw new IllegalArgumentException("Add failed. Require index >= 0 and index