// 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.set(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 = size; i > index; i--) {
         this.set(i, this.get(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;
	}

   /** Removes the value at the given index, shifting later values over. <br> 
     * CAUTION: This method does not work properly if index < 0 or
     *          index > size. We will fix this later.  <br>
     * CAUTION: This method does not work correctly if size == 0 */
	public void remove(int index) {
		for (int i = index; i < size - 1; i++) {
         this.set(i, this.get(i+1));
		}
		size--;
	}

	/** 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 + "]";
   }
}