/* (non-Javadoc) * @see java.lang.Object#equals(java.lang.Object) */ @Override public boolean equals(Object obj) { if (this == obj) { return true; } if (obj == null) { return false; } if (getClass() != obj.getClass()) { return false; } InventoryProblem other = (InventoryProblem) obj; if (inventory == null) { if (other.inventory != null) { return false; } } else if (!inventory.equals(other.inventory)) { return false; } if (problem != other.problem) { return false; } return true; }