public class IntegerStack  {
	
	IntegerList stackData;
	
	public IntegerStack( ){
		stackData = new IntegerArrayList();
	}
	
	public IntegerStack( int[] initialData ){
		stackData = new IntegerArrayList( initialData );
	}
	
	public IntegerStack( IntegerList initialList ){
		stackData = new IntegerArrayList( initialList );
	}
	
	/*	Pushes parameter integer onto top of stack
	 * 	Returns the index of the element;
	 */
	public int push( int integer ){
		return stackData.add( integer );
	}
	
	/*	Pops the top of the stack
	 * 	Returns the element popped off
	 */
	public int pop(){
		return stackData.remove( stackData.size() - 1);
	}
	
	/*	Returns the full size of the containing array
	 */
	public int capacity(){
		return stackData.capacity();
	}
	
	/*	Returns true if there are 0 elements in the list
	 */
	public boolean isEmpty(){
		return stackData.isEmpty();
	}
	
	/*	Returns a copy of all the elements in the array; size = size()
	 */
	public int[] toArray(){
		return stackData.toArray();
	}
	
	/*	Returns a String representation of the elements in the array;
	 * (non-Javadoc)
	 * @see java.lang.Object#toString()
	 */
	public String toString(){
		return stackData.toString();
	}
	
	/*	Returns the number of elements in the list
	 */
	public int size(){
		return stackData.size();
	}
	
	public static void main(String[] args){
		
		int[] init = { 44, 55, 66};
		IntegerStack test = new IntegerStack( init );
		
		for( int i = 0; i < 10; ++i ){
			test.push(i);
		}
		System.out.println( test.toString() );
		
		while( test.size() > 5){
			test.pop();
		}
		System.out.println( test.toString() );

		for( int i = 11; i < 44; i += 11){
			test.push(i);
		}
		System.out.println( test.toString() );
		
		while( !test.isEmpty() ) System.out.print( test.pop() +", " );
		


	}
	
	
}