Logic

package main;

class Commodity {
    private String name;
    private int quantity;
    private double price;

    Commodity() {
    }

    Commodity(String name) {
        this.name = name;
    }

    Commodity(String name, int quantity) {
        this.name = name;
        this.quantity = quantity;
    }

    Commodity(String name, int quantity, double price) {
        this.name = name;
        this.quantity = quantity;
        this.price = price;
    }


    String getName() {
        return name;
    }

    void setName(String name) {
        this.name = name;
    }

    int getQuantity() {
        return quantity;
    }

    void setQuantity(int quantity) {
        this.quantity = quantity;
    }

    double getPrice() {
        return price;
    }

    void setPrice(double price) {
        this.price = price;
    }

    @Override
    public String toString() {
        return "[name=" + name + ", quantity=" + quantity + ", price=" + price + "]";
    }

}