/*
 * Kyle Pierce
 * CSE 143
 *
 * Class ArrayIntList is used to store an ordered sequence of integers
 */
public class ArrayIntList {
   private int[] elementData;  // all the numbers in the list
   private int size;           // how many numbers a client thinks there are
  
   public static final int DEFAULT_CAPACITY = 100;
   
   // post: initializes an ArrayIntList of default capacity
   public ArrayIntList() {
      elementData = new int[DEFAULT_CAPACITY];
      size = 0;
   }
   
   // post: returns the current size of this list
   public int size() {
      return size;
   }
   
   // pre:  this list has enough room for another number
   // post: adds the  given num at the end of the list
   public void add(int num) {
      elementData[size] = num;
      size++;
   }
   
   // post: returns a bracketed, comma-separated String of all
   //       the numbers in this list
   public String toString() {
      if (size == 0) {
         return "[]";
      } else {
         String result = "[" + elementData[0];
         for (int i = 1; i < size; i++) {
            result += ", " + elementData[i];
         }
         result += "]";
         return result;
      }
   }
}