// Adam Blank
/** The ArrayIntList class stores an ordered list of integers. */
public class ArrayIntList {
    private int size;
    private int[] data;

    /** Initializes a new empty list with initial capacity of 10 integers. */
    public ArrayIntList() {
        this.data = new int[10];
        this.size = 0;
    }

    /** Adds value to the end of the list. <br>
     *  CAUTION: This method does not work properly if the array doesn't 
     *           have room for the new element. We will fix this later. */
    public void add(int value) {
        this.data[this.size] = value;
        this.size++;
    }

    /** Inserts value into the list at index. <br>
     *  CAUTION: This method does not work properly if the array doesn't 
     *           have room for the new element. We will fix this later. <br> 
     *  CAUTION: This method does not work properly if index < 0 or
     *           index > size. We will fix this later. */
    public void add(int index, int value) {
        for (int i = this.size; i > index; i--) {
            this.data[i] = this.data[i-1];
        }

        this.set(index, value);
        this.size++;
    }

    /** Returns the value at index. <br>
     *  CAUTION: This method does not work properly if index < 0 or
     *           index > size. We will fix this later. */
    public int get(int index) {
        return this.data[index];
    }

    /** Stores value in index. <br>
     *  CAUTION: This method does not work properly if index < 0 or
     *           index > size. We will fix this later. */
    public void set(int index, int value) {
        this.data[index] = value;
    }

    /** Returns the number of elements in the list. */
    public int size() {
        return size;
    }

    /** Returns true if list is empty, false otherwise. */
    public boolean isEmpty() {
        return size == 0;
    }

    /** Returns a String representation of the list consisting of the elements
     *  in order, separated by commas and enclosed in square brackets. */
    public String toString() {
        String result = "";
        if (this.size > 0) {
            result = "" + this.data[0];
            for (int i = 1; i < this.size; i++) {
                result += ", " + this.data[i];
            }
        }
        return "[" + result + "]";
    }
}