import java.util.ArrayList;
import java.util.Objects;

public class SetAsArray<Type> extends AbstractSet<Type>{

    //createsArrayList
    public ArrayList<Type> data;
    //constructor to create an array
    public SetAsArray() {
        data = new ArrayList<Type>();
    }
    //adds an item via the add method in abstractset
    @Override
    public void add(Type obj) {
        super.add(obj);
    }
    //adds an item to the arraylist
    @Override
    public void addTo(Type obj) {
        data.add(obj);
    }
    //removes an item and returns it
    @Override
    public Type remove(Type obj) {
        Type save = data.get(data.indexOf(obj));
        data.remove(obj);
        return save;
    }
    //returns true/false if array is/isnt empty
    @Override
    public boolean isEmpty() {
        return data.isEmpty();
    }
    //checks if arraylist contains the item passed in
    @Override
    public boolean contains(Type obj) {
        return data.contains(obj);
    }
    //finds an item from the index value and returns it
    @Override
    public Type find(int index) {
        return data.get(index);
    }
    //finds the index of an item and returns it
    @Override
    public int getIndex(Type obj) {
        return data.indexOf(obj);
    }
    //returns the size of the array
    @Override
    public int size() {
        return data.size();
    }
}