Inventory.java

package com.dtcc.exams.collections;

import java.util.List;
import java.util.Map;

/**
 * Use a map to keep track of inventory in a store
 */
public class Inventory {
    /**
     * @param strings list of strings to add / remove / fetch from
     */
    public Map<String, Integer> Integer;
    public Inventory(List<String> strings) {
//        List<String> list = new List<String>();
    }

    /**
     * nullary constructor initializes a new list
     */
    public Inventory() {

    }

    /**
     * @param item - increment the number of this item in stock by 1
     */
    public void addItemToInventory(String item) {
        return;
    }

    /**
     * @param item - decrement the number of this item in stock by 1
     */
    public void removeItemFromInventory(String item) {
        return;
    }

    /**
     * @param item - Search for this item in stock
     * @return - return the number of items
     */
    public Integer getItemQuantity(String item) {
        return null;
    }
}