code: @SuppressWarnings("unchecked")
  	public void preload(int quantity) {
  		Object[] objects = new Object[quantity];
  		
  		for (int i = 0; i < quantity; i++) {
  			objects[i] = this.instantiate();
  		}
  		
  		for (int i = 0; i < quantity; i++) {
  			this.release((T)objects[i]);
  		}
  	}
docs: Instantiate quantity numbers of elements from the Pool
  and set them in the pool right away
  @param quantity