diff --git a/1ano/2semestre/poo/src/aula08/ex1/Bus.java b/1ano/2semestre/poo/src/aula08/ex1/Bus.java
new file mode 100644
index 0000000..4128400
--- /dev/null
+++ b/1ano/2semestre/poo/src/aula08/ex1/Bus.java
@@ -0,0 +1,57 @@
+package aula08.ex1;
+
+import java.util.Objects;
+
+public class Bus extends Vehicle {
+    private final int boardNumber;
+    private final int weight;
+    private final int maxPassengers;
+
+    public Bus(String plate, String brand, String model, int potency, int boardNumber, int weight, int maxPassengers) {
+        super(plate, brand, model, potency);
+        this.boardNumber = boardNumber;
+        this.weight = weight;
+        this.maxPassengers = maxPassengers;
+    }
+
+    public int getBoardNumber() {
+        return this.boardNumber;
+    }
+
+    public int getWeight() {
+        return this.weight;
+    }
+
+    public int getMaxPassengers() {
+        return this.maxPassengers;
+    }
+
+    @Override
+    public String toString() {
+        return "Bus {" +
+                "\n\tplate='" + this.getPlate() + '\'' +
+                ",\n\tbrand='" + this.getBrand() + '\'' +
+                ",\n\tmodel='" + this.getModel() + '\'' +
+                ",\n\tpotency=" + this.getPotency() +
+                ",\n\tboardNumber=" + this.getBoardNumber() +
+                ",\n\tweight=" + this.getWeight() +
+                ",\n\tmaxPassengers=" + this.getMaxPassengers() +
+                ",\n\tlastTripKm=" + this.lastTrip() +
+                ",\n\tkm=" + this.totalDistance() +
+                "\n}";
+    }
+
+    @Override
+    public boolean equals(Object o) {
+        if (this == o) return true;
+        if (o == null || getClass() != o.getClass()) return false;
+        if (!super.equals(o)) return false;
+        Bus bus = (Bus) o;
+        return this.getBoardNumber() == bus.getBoardNumber() && this.getWeight() == bus.getWeight() && this.getMaxPassengers() == bus.getMaxPassengers();
+    }
+
+    @Override
+    public int hashCode() {
+        return Objects.hash(super.hashCode(), this.getBoardNumber(), this.getWeight(), this.getMaxPassengers());
+    }
+}
diff --git a/1ano/2semestre/poo/src/aula08/ex1/Car.java b/1ano/2semestre/poo/src/aula08/ex1/Car.java
new file mode 100644
index 0000000..5af2f32
--- /dev/null
+++ b/1ano/2semestre/poo/src/aula08/ex1/Car.java
@@ -0,0 +1,55 @@
+package aula08.ex1;
+
+import java.util.Objects;
+
+public class Car extends Vehicle {
+    private final int boardNumber;
+    private final int trunkSize;
+
+    public Car(String plate, String brand, String model, int potency, int boardNumber, int trunkSize) {
+        super(plate, brand, model, potency);
+        this.boardNumber = boardNumber;
+        this.trunkSize = trunkSize;
+    }
+
+    public Car(Car car) {
+        this(car.getPlate(), car.getBrand(), car.getModel(), car.getPotency(), car.getBoardNumber(), car.getTrunkSize());
+    }
+
+    public int getBoardNumber() {
+        return this.boardNumber;
+    }
+
+    public int getTrunkSize() {
+        return this.trunkSize;
+    }
+
+    @Override
+    public String toString() {
+        return "Car {" +
+                "\n\tplate='" + this.getPlate() + '\'' +
+                ",\n\tbrand='" + this.getBrand() + '\'' +
+                ",\n\tmodel='" + this.getModel() + '\'' +
+                ",\n\tpotency=" + this.getPotency() +
+                ",\n\tboardNumber=" + this.getBoardNumber() +
+                ",\n\ttrunkSize=" + this.getTrunkSize() +
+                ",\n\tlastTripKm=" + this.lastTrip() +
+                ",\n\tkm=" + this.totalDistance() +
+                "\n}";
+    }
+
+
+    @Override
+    public boolean equals(Object o) {
+        if (this == o) return true;
+        if (o == null || getClass() != o.getClass()) return false;
+        if (!super.equals(o)) return false;
+        Car car = (Car) o;
+        return this.getBoardNumber() == car.getBoardNumber() && this.getTrunkSize() == car.getTrunkSize();
+    }
+
+    @Override
+    public int hashCode() {
+        return Objects.hash(super.hashCode(), this.getBoardNumber(), this.getTrunkSize());
+    }
+}
diff --git a/1ano/2semestre/poo/src/aula08/ex1/IKmTravelled.java b/1ano/2semestre/poo/src/aula08/ex1/IKmTravelled.java
new file mode 100644
index 0000000..905795b
--- /dev/null
+++ b/1ano/2semestre/poo/src/aula08/ex1/IKmTravelled.java
@@ -0,0 +1,7 @@
+package aula08.ex1;
+
+public interface IKmTravelled {
+    void trip(int km);
+    int lastTrip();
+    int totalDistance();
+}
diff --git a/1ano/2semestre/poo/src/aula08/ex1/Main.java b/1ano/2semestre/poo/src/aula08/ex1/Main.java
new file mode 100644
index 0000000..dbb53ec
--- /dev/null
+++ b/1ano/2semestre/poo/src/aula08/ex1/Main.java
@@ -0,0 +1,80 @@
+package aula08.ex1;
+
+import java.util.Scanner;
+
+public class Main {
+    private static final Scanner sin = new Scanner(System.in);
+    private static VehicleComp[] vehicleComps;
+
+    public static void main(String[] args) {
+        while (true) {
+            System.out.println("Choose an option\n1 - Create new company\n2 - Delete company\n3 - List companies\n4 - Manage company\n0 - Exit");
+            int mainOption = Integer.parseInt(sin.nextLine());
+            switch (mainOption) {
+                case 0 -> {
+                    sin.close();
+                    System.exit(0);
+                }
+                case 1 -> {
+                    System.out.print("New company name: ");
+                    String name = sin.nextLine();
+                    VehicleComp vehicleComp = new VehicleComp(name);
+
+                    if (vehicleComps == null) {
+                        vehicleComps = new VehicleComp[1];
+                        vehicleComps[0] = vehicleComp;
+                    } else {
+                        VehicleComp[] newVehicleComps = new VehicleComp[vehicleComps.length + 1];
+                        System.arraycopy(vehicleComps, 0, newVehicleComps, 0, vehicleComps.length);
+                        newVehicleComps[newVehicleComps.length - 1] = vehicleComp;
+                        vehicleComps = newVehicleComps;
+                    }
+                }
+                case 2, 3, 4 -> {
+                    for (VehicleComp vehicleComp : vehicleComps)
+                        System.out.println(vehicleComp);
+                    if (mainOption == 2) {
+                        System.out.print("Name of the company to remove: ");
+                        String name = sin.nextLine();
+                        VehicleComp[] newVehicleComps = new VehicleComp[vehicleComps.length - 1];
+                        int index = 0;
+                        for (VehicleComp vC : vehicleComps)
+                            if (!vC.getName().equals(name))
+                                newVehicleComps[index++] = vC;
+                        vehicleComps = newVehicleComps;
+                    }
+                    if (mainOption == 4) {
+                        System.out.print("Name of the company to manage: ");
+                        String name = sin.nextLine();
+                        for (VehicleComp vehicleComp : vehicleComps)
+                            if (vehicleComp.getName().equals(name))
+                                manageComp(vehicleComp);
+                    }
+                }
+                default -> System.out.println("Invalid option");
+            }
+        }
+    }
+
+    private static void manageComp(VehicleComp vehicleComp) {
+        while (true) {
+            System.out.println("Choose an option\n1 - List vehicle\n2 - Get vehicle info\n3 - Vehicle with most Km\n4 - Send vehicle on a trip\n5 - Add Vehicle\n6 - Remove vehicle\n0 - Exit");
+            int mainOption = Integer.parseInt(sin.nextLine());
+            switch (mainOption) {
+                case 0 -> {
+                    return;
+                }
+                case 1 -> vehicleComp.listVehicles();
+                case 2 -> {
+                    System.out.print("Vehicle plate: ");
+                    System.out.println(vehicleComp.getVehicleByPlate(sin.nextLine()));
+                }
+                case 3 -> vehicleComp.printVehicleWithMostKm();
+                case 4 -> vehicleComp.tripMenu(sin);
+                case 5 -> vehicleComp.addVehicleMenu(sin);
+                case 6 -> vehicleComp.removeVehicleMenu(sin);
+                default -> System.out.println("Invalid option");
+            }
+        }
+    }
+}
diff --git a/1ano/2semestre/poo/src/aula08/ex1/Motorcicle.java b/1ano/2semestre/poo/src/aula08/ex1/Motorcicle.java
new file mode 100644
index 0000000..51cd99d
--- /dev/null
+++ b/1ano/2semestre/poo/src/aula08/ex1/Motorcicle.java
@@ -0,0 +1,66 @@
+package aula08.ex1;
+
+import java.util.Objects;
+
+public class Motorcicle extends Vehicle {
+    private final MotorcicleType type;
+
+    public Motorcicle(String plate, String brand, String model, int potency, MotorcicleType type) {
+        super(plate, brand, model, potency);
+        this.type = type;
+    }
+
+    public Motorcicle(Motorcicle motorcicle) {
+        this(motorcicle.getPlate(), motorcicle.getBrand(), motorcicle.getModel(), motorcicle.getPotency(), motorcicle.getType());
+    }
+
+    public MotorcicleType getType() {
+        return this.type;
+    }
+
+    @Override
+    public String toString() {
+        return "Motorcicle {" +
+        "\n\tplate='" + this.getPlate() + '\'' +
+        ",\n\tbrand='" + this.getBrand() + '\'' +
+        ",\n\tmodel='" + this.getModel() + '\'' +
+        ",\n\tpotency=" + this.getPotency() +
+        ",\n\ttype=" + this.getType().toString() +
+        ",\n\tlastTripKm=" + this.lastTrip() +
+        ",\n\tkm=" + this.totalDistance() +
+        "\n}";
+    }
+
+    @Override
+    public boolean equals(Object o) {
+        if (this == o) return true;
+        if (o == null || getClass() != o.getClass()) return false;
+        if (!super.equals(o)) return false;
+        Motorcicle that = (Motorcicle) o;
+        return this.getType() == that.getType();
+    }
+
+    @Override
+    public int hashCode() {
+        return Objects.hash(super.hashCode(), this.getType());
+    }
+
+    enum MotorcicleType {
+        SPORT, TOURING;
+
+        public String toString() {
+            return switch (this) {
+                case SPORT -> "Sport";
+                case TOURING -> "Touring";
+            };
+        }
+
+        public static MotorcicleType fromString(String s) {
+            return switch (s) {
+                case "SPORT", "Sport", "sport" -> SPORT;
+                case "TOURING", "Touring", "touring" -> TOURING;
+                default -> throw new IllegalArgumentException("Invalid MotorcicleType: " + s);
+            };
+        }
+    }
+}
\ No newline at end of file
diff --git a/1ano/2semestre/poo/src/aula08/ex1/Taxi.java b/1ano/2semestre/poo/src/aula08/ex1/Taxi.java
new file mode 100644
index 0000000..323c735
--- /dev/null
+++ b/1ano/2semestre/poo/src/aula08/ex1/Taxi.java
@@ -0,0 +1,54 @@
+package aula08.ex1;
+
+import java.util.Objects;
+
+public class Taxi extends Car {
+    private final int licenseNumber;
+
+    public Taxi(Car car, int licenseNumber) {
+        super(car);
+        this.licenseNumber = licenseNumber;
+    }
+
+    public Taxi(Taxi taxi) {
+        this(taxi.getCar(), taxi.getLicenseNumber());
+    }
+
+    public Car getCar() {
+        return new Car(this.getPlate(), this.getBrand(), this.getModel(), this.getPotency(), this.getBoardNumber(), this.getTrunkSize());
+    }
+
+    public int getLicenseNumber() {
+        return this.licenseNumber;
+    }
+
+    @Override
+    public String toString() {
+        return "Taxi {" +
+                "\n\tlicenseNumber=" + this.licenseNumber +
+                ",\n\tplate='" + this.getPlate() + '\'' +
+                ",\n\tbrand='" + this.getBrand() + '\'' +
+                ",\n\tmodel='" + this.getModel() + '\'' +
+                ",\n\tpotency=" + this.getPotency() +
+                ",\n\tboardNumber=" + this.getBoardNumber() +
+                ",\n\ttrunkSize=" + this.getTrunkSize() +
+                ",\n\tlastTripKm=" + this.lastTrip() +
+                ",\n\tkm=" + this.totalDistance() +
+                "\n}";
+    }
+
+
+    @Override
+    public boolean equals(Object o) {
+        if (this == o) return true;
+        if (o == null || getClass() != o.getClass()) return false;
+        if (!super.equals(o)) return false;
+        Taxi taxi = (Taxi) o;
+        return this.getLicenseNumber() == taxi.getLicenseNumber();
+    }
+
+    @Override
+    public int hashCode() {
+        return Objects.hash(super.hashCode(), getLicenseNumber());
+    }
+}
diff --git a/1ano/2semestre/poo/src/aula08/ex1/Truck.java b/1ano/2semestre/poo/src/aula08/ex1/Truck.java
new file mode 100644
index 0000000..3152041
--- /dev/null
+++ b/1ano/2semestre/poo/src/aula08/ex1/Truck.java
@@ -0,0 +1,58 @@
+package aula08.ex1;
+
+import java.util.Objects;
+
+public class Truck extends Vehicle {
+    private final int boardNumber;
+    private final int weight;
+    private final int maxWeight;
+
+    public Truck(String plate, String brand, String model, int potency, int boardNumber, int weight, int maxWeight) {
+        super(plate, brand, model, potency);
+        this.boardNumber = boardNumber;
+        this.weight = weight;
+        this.maxWeight = maxWeight;
+    }
+
+    public int getBoardNumber() {
+        return this.boardNumber;
+    }
+
+    public int getWeight() {
+        return this.weight;
+    }
+
+    public int getMaxWeight() {
+        return this.maxWeight;
+    }
+
+    @Override
+    public String toString() {
+        return "Truck {" +
+                "\n\tplate='" + this.getPlate() + '\'' +
+                ",\n\tbrand='" + this.getBrand() + '\'' +
+                ",\n\tmodel='" + this.getModel() + '\'' +
+                ",\n\tpotency=" + this.getPotency() +
+                ",\n\tboardNumber=" + this.getBoardNumber() +
+                ",\n\tweight=" + this.getWeight() +
+                ",\n\tmaxWeight=" + this.getMaxWeight() +
+                ",\n\tlastTripKm=" + this.lastTrip() +
+                ",\n\tkm=" + this.totalDistance() +
+                "\n}";
+    }
+
+
+    @Override
+    public boolean equals(Object o) {
+        if (this == o) return true;
+        if (o == null || getClass() != o.getClass()) return false;
+        if (!super.equals(o)) return false;
+        Truck truck = (Truck) o;
+        return this.getBoardNumber() == truck.getBoardNumber() && this.getWeight() == truck.getWeight() && this.getMaxWeight() == truck.getMaxWeight();
+    }
+
+    @Override
+    public int hashCode() {
+        return Objects.hash(super.hashCode(), this.getBoardNumber(), this.getWeight(), this.getMaxWeight());
+    }
+}
diff --git a/1ano/2semestre/poo/src/aula08/ex1/Vehicle.java b/1ano/2semestre/poo/src/aula08/ex1/Vehicle.java
new file mode 100644
index 0000000..4f6e813
--- /dev/null
+++ b/1ano/2semestre/poo/src/aula08/ex1/Vehicle.java
@@ -0,0 +1,67 @@
+package aula08.ex1;
+
+import java.util.Objects;
+
+public abstract class Vehicle implements IKmTravelled {
+    private final String plate;
+    private final String brand;
+    private final String model;
+    private final int potency;
+
+    private int lastTripKm;
+    private int km;
+
+    protected Vehicle(String plate, String brand, String model, int potency) {
+        this.plate = plate;
+        this.brand = brand;
+        this.model = model;
+        this.potency = potency;
+        this.lastTripKm = 0;
+        this.km = 0;
+    }
+
+    protected String getPlate() {
+        return this.plate;
+    }
+
+    protected String getBrand() {
+        return this.brand;
+    }
+
+    protected String getModel() {
+        return this.model;
+    }
+
+    protected int getPotency() {
+        return this.potency;
+    }
+
+    @Override
+    public void trip(int km) {
+        this.lastTripKm = km;
+        this.km += km;
+    }
+
+    @Override
+    public int lastTrip() {
+        return lastTripKm;
+    }
+
+    @Override
+    public int totalDistance() {
+        return km;
+    }
+
+    @Override
+    public boolean equals(Object o) {
+        if (this == o) return true;
+        if (o == null || getClass() != o.getClass()) return false;
+        Vehicle vehicle = (Vehicle) o;
+        return this.getPotency() == vehicle.getPotency() && this.lastTripKm == vehicle.lastTripKm && this.km == vehicle.km && this.getPlate().equals(vehicle.getPlate()) && this.getBrand().equals(vehicle.getBrand()) && this.getModel().equals(vehicle.getModel());
+    }
+
+    @Override
+    public int hashCode() {
+        return Objects.hash(this.getPlate(), this.getBrand(), this.getModel(), this.getPotency(), this.lastTripKm, this.km);
+    }
+}
diff --git a/1ano/2semestre/poo/src/aula08/ex1/VehicleComp.java b/1ano/2semestre/poo/src/aula08/ex1/VehicleComp.java
new file mode 100644
index 0000000..3dff6ae
--- /dev/null
+++ b/1ano/2semestre/poo/src/aula08/ex1/VehicleComp.java
@@ -0,0 +1,160 @@
+package aula08.ex1;
+
+import java.util.Scanner;
+
+public class VehicleComp {
+    private final String name;
+    private Vehicle[] vehicles;
+
+    public VehicleComp(String name) {
+        this.name = name;
+    }
+
+    public String getName() {
+        return this.name;
+    }
+
+    public void listVehicles() {
+        System.out.println("List of vehicles in company " + this.name);
+        if (this.vehicles == null) {
+            System.out.println("You must add a vehicle first");
+            return;
+        }
+        for (Vehicle v : this.vehicles)
+            System.out.println(v);
+    }
+
+    public Vehicle getVehicleByPlate(String plate) {
+        for (Vehicle v : this.vehicles)
+            if (v.getPlate().equals(plate))
+                return v;
+        return null;
+    }
+
+    public void tripMenu(Scanner sin) {
+        if (this.vehicles == null) {
+            System.out.println("You must add a vehicle first");
+            return;
+        }
+        this.listVehicles();
+        System.out.print("Plate of the vehicle: ");
+        String plate = sin.nextLine();
+        System.out.print("Km to travel: ");
+        int km = Integer.parseInt(sin.nextLine());
+        Vehicle vehicle = this.getVehicleByPlate(plate);
+        vehicle.trip(km);
+    }
+
+    public void printVehicleWithMostKm() {
+        if (this.vehicles == null) {
+            System.out.println("You must add a vehicle first");
+            return;
+        }
+        Vehicle max = this.vehicles[0];
+        for (Vehicle vehicle : this.vehicles)
+            if (vehicle.totalDistance() > max.totalDistance())
+                max = vehicle;
+        System.out.println(max);
+    }
+
+
+    // Add Vehicle methods
+
+    public void addVehicleMenu(Scanner sin) {
+        System.out.print("Vehicle plate: ");
+        String plate = sin.nextLine();
+        System.out.print("Vehicle brand: ");
+        String brand = sin.nextLine();
+        System.out.print("Vehicle model: ");
+        String model = sin.nextLine();
+        System.out.print("Vehicle potency: ");
+        int potency = Integer.parseInt(sin.nextLine());
+        System.out.print("What vehicle are you adding?\n1 - Motorcicle\n2 - Car\n3 - Taxi\n4 - Bus\n5 - Truck\n>> ");
+        int vehicleType = Integer.parseInt(sin.nextLine());
+        switch (vehicleType) {
+            case 1 -> {
+                System.out.print("What's the motorcicle type? (SPORT/TOURING): ");
+                Motorcicle.MotorcicleType motorcicleType = Motorcicle.MotorcicleType.fromString(sin.nextLine());
+                addVehicle(new Motorcicle(plate, brand, model, potency, motorcicleType));
+            }
+            case 2, 3, 4, 5 -> {
+                System.out.print("Vehicle's board number: ");
+                int boardNumber = Integer.parseInt(sin.nextLine());
+                switch (vehicleType) {
+                    case 2, 3 -> {
+                        System.out.print("Car's trunk size: ");
+                        int trunkSize = Integer.parseInt(sin.nextLine());
+                        Car car = new Car(plate, brand, model, potency, boardNumber, trunkSize);
+                        if (vehicleType == 2)
+                            addVehicle(car);
+                        else {
+                            System.out.print("Taxi's license number: ");
+                            int licenseNumber = Integer.parseInt(sin.nextLine());
+                            addVehicle(new Taxi(car, licenseNumber));
+                        }
+                    }
+                    case 4, 5 -> {
+                        System.out.print("Vehicle's weight: ");
+                        int weight = Integer.parseInt(sin.nextLine());
+                        if (vehicleType == 4) {
+                            System.out.print("Bus passenger limit: ");
+                            int maxPassengers = Integer.parseInt(sin.nextLine());
+                            addVehicle(new Bus(plate, brand, model, potency, boardNumber, weight, maxPassengers));
+                        } else {
+                            System.out.print("Truck weight limit: ");
+                            int maxWeight = Integer.parseInt(sin.nextLine());
+                            addVehicle(new Truck(plate, brand, model, potency, boardNumber, weight, maxWeight));
+                        }
+                    }
+                }
+            }
+            default -> throw new IllegalStateException("Unexpected value: " + vehicleType);
+        }
+    }
+
+    private void addVehicle(Vehicle vehicle) {
+        if (this.vehicles == null) {
+            this.vehicles = new Vehicle[1];
+            this.vehicles[0] = vehicle;
+        } else {
+            Vehicle[] newVehicles = new Vehicle[this.vehicles.length + 1];
+            System.arraycopy(this.vehicles, 0, newVehicles, 0, this.vehicles.length);
+            newVehicles[newVehicles.length - 1] = vehicle;
+            this.vehicles = newVehicles;
+        }
+    }
+
+
+    // Remove Vehicle methods
+
+    public void removeVehicleMenu(Scanner sin) {
+        this.listVehicles();
+        System.out.print("Plate of the vehicle to remove: ");
+        String plate = sin.nextLine();
+        Vehicle vehicle = this.getVehicleByPlate(plate);
+        removeVehicle(vehicle);
+    }
+
+    private void removeVehicle(Vehicle vehicle) {
+        Vehicle[] newVehicles = new Vehicle[this.vehicles.length - 1];
+        int index = 0;
+        for (Vehicle v : this.vehicles)
+            if (!v.getPlate().equals(vehicle.getPlate()))
+                newVehicles[index++] = v;
+        this.vehicles = newVehicles;
+    }
+
+
+    private int totalDistance() {
+        int total = 0;
+        for (Vehicle vehicle : this.vehicles)
+            total += vehicle.totalDistance();
+        return total;
+    }
+
+
+    @Override
+    public String toString() {
+        return String.format("Company %s%nNumber of vehicles: %d%nTotal distance: %d", this.name, this.vehicles.length, this.totalDistance());
+    }
+}
diff --git a/1ano/2semestre/poo/src/aula08/ex3/ShoppingCartTester.java b/1ano/2semestre/poo/src/aula08/ex3/ShoppingCartTester.java
new file mode 100644
index 0000000..522e606
--- /dev/null
+++ b/1ano/2semestre/poo/src/aula08/ex3/ShoppingCartTester.java
@@ -0,0 +1,19 @@
+package aula08.ex3;
+
+public class ShoppingCartTester {
+    public static void main(String[] args) {
+        /*Produto p1 = new ProdutoGenerico("Camisolas", 10, 3);
+        Produto p2 = new ProdutoGenerico("Calças", 30, 1);
+        Produto p3 = new ProdutoComDesconto("Sapatilhas", 50, 2, 50);
+        Produto p4 = new ProdutoComDesconto("Casacos", 100, 1, 10);
+        
+        CarrinhoDeCompras carrinho = new CarrinhoDeCompras();
+        carrinho.adicionarProduto(p1, 1);
+        carrinho.adicionarProduto(p2, 5);
+        carrinho.adicionarProduto(p3, 2);
+        carrinho.adicionarProduto(p4, 1);
+
+        carrinho.listarProdutos();
+        System.out.printf("Preço total da compra %.2f\n", carrinho.calcularTotal());*/
+    }
+}