update start project

src/test-data/assignment15-supermarket-start/src/supermarket/Customer.java

@@ -8,17 +8,22 @@ public class Customer implements Callable<Integer> {
 	public static final int MAX_ITEMS = 20;
 	private final Store store;
 	private final int customerNumber;
-	private final int numberOfArticles;
+	private final int numberOfItemsWanted;
 	private final static Random GENERATOR = new Random();
+	
+	public int getNumberOfItemsWanted() {
+		return numberOfItemsWanted;
+	}
 
 	public Customer(int number, Store store) {
 		this.store = store;
 		customerNumber = number;
-		numberOfArticles = GENERATOR.nextInt(MAX_ITEMS) + 1;
+		numberOfItemsWanted = GENERATOR.nextInt(MAX_ITEMS) + 1;
 	}
 
 	@Override
 	public Integer call() {
-		return -1;
+		int numberOfItemsBought = 0;
+		return numberOfItemsBought;
 	}
 }

src/test-data/assignment15-supermarket-start/src/supermarket/Main.java

@@ -10,7 +10,7 @@ import java.util.stream.IntStream;
 
 public class Main {
 
-	private static final int NR_OF_CLIENTS = 30;
+	private static final int NR_OF_CLIENTS = 100;
 
 	public static void main(String[] args) throws InterruptedException {
 		ExecutorService executor = Executors.newCachedThreadPool();
@@ -21,8 +21,12 @@ public class Main {
 		List<Customer> customers = IntStream.range(0, NR_OF_CLIENTS).mapToObj(i -> new Customer(i, store))
 				.collect(Collectors.toList());
 		List<Future<Integer>> customerResults = executor.invokeAll(customers);
-		int result = 0;
+		
+		int totalItemsSold = 0;
 
-		System.out.println("All customers are done. " + result + " items sold.");
+		int totalItemsWanted = customers.stream().mapToInt(Customer::getNumberOfItemsWanted).sum();
+		System.out.println("All customers are done.");
+		System.out.println(totalItemsWanted + " items wanted.");
+		System.out.println(totalItemsSold + " items sold.");
 	}
 }