feat: move everything to single folder

cs2030s/Lab1/ShopSimulation.java

@@ -0,0 +1,53 @@
+import java.util.Scanner;
+
+/**
+ * This class implements a shop simulation.
+ *
+ * @author Yadunand Prem
+ * @version CS2030S AY22/23 Semester 2
+ */
+class ShopSimulation extends Simulation {
+
+  /**
+   * The list of customer arrival events to populate
+   * the simulation with.
+   */
+  private Event[] initEvents;
+
+  /**
+   * Constructor for a shop simulation.
+   *
+   * @param sc A scanner to read the parameters from. The first
+   *           integer scanned is the number of customers; followed
+   *           by the number of service counters. Next is a
+   *           sequence of (arrival time, service time) pair, each
+   *           pair represents a customer.
+   */
+  public ShopSimulation(Scanner sc) {
+    initEvents = new Event[sc.nextInt()];
+    int numOfCounters = sc.nextInt();
+    int maxCounterQueueSize = sc.nextInt();
+    int maxShopQueueSize = sc.nextInt();
+
+    Shop shop = new Shop(numOfCounters, maxShopQueueSize, maxCounterQueueSize);
+
+    int id = 0;
+    while (sc.hasNextDouble()) {
+      double arrivalTime = sc.nextDouble();
+      double serviceTime = sc.nextDouble();
+      initEvents[id] = new ArrivalEvent(new Customer(serviceTime, arrivalTime), shop);
+      id += 1;
+    }
+  }
+
+  /**
+   * Retrieve an array of events to populate the
+   * simulator with.
+   *
+   * @return An array of events for the simulator.
+   */
+  @Override
+  public Event[] getInitialEvents() {
+    return initEvents;
+  }
+}