public class ObjectBox {

 List collection;
/**
 * Instantiates a new Object box.
 */
public ObjectBox() {
    this.collection = new ArrayList<>();
}

ObjectBox(final Object[] array) {
    collection = Arrays.asList(array);
    Collections.sort(collection);
}


/**
 * Add a new Element to Collection
 *
 * @param o the Object
 */
public void add(final Object o){
    collection.add(o);
}

/**
 * Deletes a given Object
 * in existing Data
 *
 * @param o the Object
 */
public void delete(final Object o){
    collection.remove(o);
}

//TODO
@Override
public int hashCode() {
    return super.hashCode();
}

//TODO
@Override
public boolean equals(Object obj) {
    return super.equals(obj);
}

@Override
public String toString() {
    return super.toString();
}

@Override
public int hashCode() {
    int result = 31;
    result = 17 * result + (collection != null ? collection.hashCode() : 0);
    return result;
}