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Commit 410ea85

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Sorted Collections ,Challenge
1 parent 6d9c8ca commit 410ea85

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‎CODE/076_Sorted-Collections/.idea/misc.xml

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‎CODE/076_Sorted-Collections/.idea/modules.xml

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‎CODE/076_Sorted-Collections/.idea/workspace.xml

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<?xml version="1.0" encoding="UTF-8"?>
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<module type="JAVA_MODULE" version="4">
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<component name="NewModuleRootManager" inherit-compiler-output="true">
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<exclude-output />
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<content url="file://$MODULE_DIR$">
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<sourceFolder url="file://$MODULE_DIR$/src" isTestSource="false" />
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</content>
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<orderEntry type="inheritedJdk" />
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<orderEntry type="sourceFolder" forTests="false" />
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</component>
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</module>
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import java.util.Collections;
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import java.util.Map;
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import java.util.TreeMap;
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public class Basket {
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private final String name;
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private final Map<StockItem, Integer> list;
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public Basket(String name) {
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this.name = name;
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this.list = new TreeMap<>();
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}
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public int addToBasket(StockItem item, int quantity) {
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if ((item != null) && (quantity > 0)) {
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int inBasket = list.getOrDefault(item, 0);
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list.put(item, inBasket + quantity);
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return inBasket;
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}
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return 0;
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}
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public Map<StockItem, Integer> Items() {
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return Collections.unmodifiableMap(list);
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}
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@Override
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public String toString() {
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String s = "\nShopping basket " + name + " contains " + list.size() + ((list.size() == 1) ? " item" : " items") + "\n";
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double totalCost = 0.0;
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for (Map.Entry<StockItem, Integer> item : list.entrySet()) {
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s = s + item.getKey() + ". " + item.getValue() + " purchased\n";
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totalCost += item.getKey().getPrice() * item.getValue();
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}
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return s + "Total cost " + totalCost;
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}
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}
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import java.util.Map;
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public class Main {
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private static StockList stockList = new StockList();
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public static void main(String[] args) {
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StockItem temp = new StockItem("bread", 0.86, 100);
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stockList.addStock(temp);
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temp = new StockItem("cake", 1.10, 7);
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stockList.addStock(temp);
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temp = new StockItem("car", 12.50, 2);
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stockList.addStock(temp);
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temp = new StockItem("chair", 62.0, 10);
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stockList.addStock(temp);
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temp = new StockItem("cup", 0.50, 200);
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stockList.addStock(temp);
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temp = new StockItem("cup", 0.45, 7);
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stockList.addStock(temp);
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temp = new StockItem("door", 72.95, 4);
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stockList.addStock(temp);
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temp = new StockItem("juice", 2.50, 36);
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stockList.addStock(temp);
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temp = new StockItem("phone", 96.99, 35);
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stockList.addStock(temp);
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temp = new StockItem("towel", 2.40, 80);
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stockList.addStock(temp);
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temp = new StockItem("vase", 8.76, 40);
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stockList.addStock(temp);
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System.out.println(stockList);
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for(String s: stockList.Items().keySet()) {
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System.out.println(s);
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}
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Basket timsBasket = new Basket("Tim");
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sellItem(timsBasket, "car", 1);
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System.out.println(timsBasket);
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sellItem(timsBasket, "car", 1);
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System.out.println(timsBasket);
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if(sellItem(timsBasket, "car", 1) != 1) {
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System.out.println("There are no more cars in stock");
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}
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sellItem(timsBasket, "spanner", 5);
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System.out.println(timsBasket);
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sellItem(timsBasket, "juice", 4);
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sellItem(timsBasket, "cup", 12);
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sellItem(timsBasket, "bread", 1);
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System.out.println(timsBasket);
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System.out.println(stockList);
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//temp = new StockItem("pen", 1.12);
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//stockList.Items().put(temp.getName(), temp);
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stockList.Items().get("car").adjustStock(2000);
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stockList.get("car").adjustStock(-1000);
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System.out.println(stockList);
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for(Map.Entry<String, Double> price: stockList.PriceList().entrySet()) {
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System.out.println(price.getKey() + " costs " + price.getValue());
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}
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}
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public static int sellItem(Basket basket, String item, int quantity) {
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//retrieve the item from stock list
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StockItem stockItem = stockList.get(item);
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if(stockItem == null) {
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System.out.println("We don't sell " + item);
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return 0;
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}
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if(stockList.sellStock(item, quantity) != 0) {
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basket.addToBasket(stockItem, quantity);
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return quantity;
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}
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return 0;
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}
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}

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