llxxee

public class TrashInfo {
    // the general category of the trash, should be one of cash-for-trash, e-waste, second-hand-goods
    private String trashType;
    // detailed price info, with key-value pair of trashName-PriceInfo(unit, pricePerUnit)
    private HashMap<String, PriceInfo> trashPrices = new HashMap<>();

    public void setTrashType(String trashType) {
        this.trashType = trashType;
    }