UE21

src/UE21_290425_Bruecke/Car.java

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+package UE21_290425_Bruecke;
+
+public class Car {
+
+}

src/UE21_290425_Bruecke/Generator.java

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+package UE21_290425_Bruecke;
+
+public class Generator {
+    public static void main(String[] args) {
+        Guard guard = new Guard();
+
+    }
+}

src/UE21_290425_Bruecke/Guard.java

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+package UE21_290425_Bruecke;
+
+import java.util.ArrayList;
+import java.util.HashSet;
+import java.util.List;
+import java.util.Set;
+
+public class Guard {
+    private static final List<Car> waitingCars = new ArrayList<>();
+    private static final Set<Integer> waitingTimes = new HashSet<>();
+    private static int carsOnBridge = 0;
+
+    public static void arriving(Car car) {
+        waitingCars.add(car);
+    }
+
+    public static void leaving() {
+        carsOnBridge--;
+    }
+
+    public void crossing(Car car) throws InterruptedException {
+        carsOnBridge++;
+        waitingCars.remove(car);
+        Thread.sleep(50_000);
+        leaving();
+    }
+
+    @Override
+    public String toString() {
+        return "Statistics:\n" + "waiting: " + waitingCars + "waitingTimes: " + waitingTimes + "carsOnBridge: " + carsOnBridge;
+    }
+}