Compare commits
1
Commits
| Author | SHA1 | Date | |
|---|---|---|---|
|
|
2d6c7be01e |
@@ -1,4 +1,12 @@
|
||||
package org;
|
||||
import org.model.Vehicle;
|
||||
import org.model.ElectricCar;
|
||||
import org.model.GasCar;
|
||||
import org.model.SportsCar;
|
||||
|
||||
import org.behavior.Serviceable;
|
||||
|
||||
import org.util.VehicleInspector;
|
||||
|
||||
public class Main {
|
||||
public static void main(String[] args) {
|
||||
@@ -16,6 +24,9 @@ public class Main {
|
||||
// • Store them in variables such as:
|
||||
// ElectricCar tesla = new ElectricCar(...);
|
||||
// ============================================================
|
||||
ElectricCar tesla = new ElectricCar("Tesla", "Model S", 2023, 8500, 5, 100, 90);
|
||||
GasCar toyota = new GasCar("Toyota", "Corolla", 2020, 13000, 5, 60, "Petrol");
|
||||
SportsCar ferrari = new SportsCar("Ferrari", "F8", 2022, 5200, 2, 70, "Premium Gasoline", 2.9);
|
||||
|
||||
|
||||
|
||||
@@ -31,6 +42,7 @@ public class Main {
|
||||
// subclasses (ElectricCar, GasCar, SportsCar) are stored
|
||||
// as their parent type (Vehicle).
|
||||
// ============================================================
|
||||
Vehicle[] vehicles = { tesla, toyota, ferrari };
|
||||
|
||||
|
||||
|
||||
@@ -46,6 +58,11 @@ public class Main {
|
||||
// Demonstrate that all subclasses share the same Vehicle
|
||||
// behavior and can call inherited methods.
|
||||
// ============================================================
|
||||
System.out.println("=== Vehicle Info ===");
|
||||
for (Vehicle v : vehicles) {
|
||||
v.basicInfo();
|
||||
System.out.println();
|
||||
}
|
||||
|
||||
|
||||
|
||||
@@ -61,6 +78,11 @@ public class Main {
|
||||
// • Demonstrate the use of `instanceof`
|
||||
// • Show subclass‑specific inspection messages
|
||||
// ============================================================
|
||||
System.out.println("=== Vehicle Inspection ===");
|
||||
for (Vehicle v : vehicles) {
|
||||
VehicleInspector.inspect(v);
|
||||
System.out.println();
|
||||
}
|
||||
|
||||
|
||||
|
||||
@@ -79,6 +101,7 @@ public class Main {
|
||||
// Vehicle v = (Vehicle) s;
|
||||
//
|
||||
// ============================================================
|
||||
Serviceable[] serviceables = { tesla, toyota, ferrari };
|
||||
|
||||
|
||||
|
||||
@@ -105,6 +128,19 @@ public class Main {
|
||||
//
|
||||
// Add blank lines between each item for readability.
|
||||
// ============================================================
|
||||
System.out.println("=== Vehicle Service ===");
|
||||
for (Serviceable s : serviceables) {
|
||||
Vehicle v = (Vehicle) s;
|
||||
|
||||
if (s.needsService(v)) {
|
||||
System.out.println("Servicing " + v.getBrand() + " " + v.getModel() + "...");
|
||||
s.performService();
|
||||
} else {
|
||||
System.out.println(v.getBrand() + " " + v.getModel() + " does not need service.");
|
||||
}
|
||||
|
||||
System.out.println();
|
||||
}
|
||||
|
||||
|
||||
|
||||
@@ -117,7 +153,7 @@ public class Main {
|
||||
// System.out.println("=== Workshop Completed ===");
|
||||
//
|
||||
// ============================================================
|
||||
|
||||
System.out.println("=== Workshop Completed ===");
|
||||
|
||||
|
||||
|
||||
|
||||
@@ -19,10 +19,15 @@ public abstract class Car extends Vehicle implements Serviceable {
|
||||
double mileage, int seats) {
|
||||
|
||||
// TODO: Call super constructor
|
||||
super(brand, model, year, mileage);
|
||||
this.seats = seats;
|
||||
}
|
||||
|
||||
// TODO: Override getEnergyType() → return "Unknown"
|
||||
@Override
|
||||
public String getEnergyType() {
|
||||
return "Unknown";
|
||||
}
|
||||
|
||||
// TODO: Override showDetails()
|
||||
// Print brand, model, year, mileage, and number of seats
|
||||
@@ -38,4 +43,21 @@ public abstract class Car extends Vehicle implements Serviceable {
|
||||
* performService():
|
||||
* - Print: "General car service completed"
|
||||
*/
|
||||
@Override
|
||||
public void showDetails() {
|
||||
System.out.println("Brand: " + getBrand());
|
||||
System.out.println("Model: " + getModel());
|
||||
System.out.println("Year: " + getYear());
|
||||
System.out.println("Mileage: " + getMileage());
|
||||
System.out.println("Seats: " + seats);
|
||||
}
|
||||
@Override
|
||||
public boolean needsService(Vehicle v) {
|
||||
return getMileage() > 10000;
|
||||
}
|
||||
@Override
|
||||
public void performService() {
|
||||
System.out.println("General car service completed");
|
||||
}
|
||||
|
||||
}
|
||||
|
||||
@@ -28,12 +28,37 @@ public class ElectricCar extends Car implements Chargeable {
|
||||
}
|
||||
|
||||
// TODO: Override getEnergyType() → return "Electric"
|
||||
@Override
|
||||
public String getEnergyType() {
|
||||
return "Electric";
|
||||
}
|
||||
|
||||
// TODO: Override showDetails()
|
||||
// Call super.showDetails()
|
||||
// Print battery capacity and charge level
|
||||
@Override
|
||||
public void showDetails() {
|
||||
super.showDetails();
|
||||
System.out.println("Battery Capacity: " + batteryCapacity + " kWh");
|
||||
System.out.println("Charge Level: " + chargeLevel + "%");
|
||||
}
|
||||
|
||||
// TODO: Implement charge(double amount)
|
||||
// Validate negative
|
||||
// Cap at 100
|
||||
@Override
|
||||
public void charge(double amount) {
|
||||
if (amount < 0) {
|
||||
System.out.println("Charge amount cannot be negative.");
|
||||
return;
|
||||
}
|
||||
|
||||
chargeLevel += amount;
|
||||
if (chargeLevel > 100) {
|
||||
chargeLevel = 100;
|
||||
}
|
||||
|
||||
System.out.println("Car charged. Current charge level: " + chargeLevel + "%");
|
||||
}
|
||||
|
||||
}
|
||||
|
||||
@@ -28,12 +28,48 @@ public class GasCar extends Car implements Refuelable {
|
||||
}
|
||||
|
||||
// TODO: Override getEnergyType() → return fuelType + " (Gas)"
|
||||
@Override
|
||||
public String getEnergyType() {
|
||||
return fuelType + " (Gas)";
|
||||
}
|
||||
|
||||
// TODO: Implement refuel(double amount)
|
||||
// Validate amount
|
||||
// Cap at 100
|
||||
@Override
|
||||
public void refuel(double amount) {
|
||||
if (amount < 0) {
|
||||
System.out.println("Fuel amount cannot be negative.");
|
||||
return;
|
||||
}
|
||||
|
||||
fuelLevel += amount;
|
||||
|
||||
if (fuelLevel > 100) {
|
||||
fuelLevel = 100;
|
||||
}
|
||||
|
||||
System.out.println("Car refueled. Current fuel level: " + fuelLevel + "%");
|
||||
}
|
||||
|
||||
// TODO: Override showDetails()
|
||||
// Call super.showDetails()
|
||||
// Print fuel level and fuel type
|
||||
@Override
|
||||
public void showDetails() {
|
||||
super.showDetails();
|
||||
System.out.println("Fuel Level: " + fuelLevel + "%");
|
||||
System.out.println("Fuel Type: " + fuelType);
|
||||
}
|
||||
@Override
|
||||
public boolean needsService(Vehicle v) {
|
||||
return getMileage() > 12000;
|
||||
}
|
||||
|
||||
@Override
|
||||
public void performService() {
|
||||
System.out.println("Engine oil changed");
|
||||
fuelLevel = 100;
|
||||
}
|
||||
|
||||
}
|
||||
|
||||
@@ -27,4 +27,19 @@ public class SportsCar extends GasCar {
|
||||
// TODO: Override showDetails()
|
||||
// Call super.showDetails()
|
||||
// Print acceleration time
|
||||
@Override
|
||||
public void showDetails() {
|
||||
super.showDetails();
|
||||
System.out.println("0-100 km/h Acceleration: " + zeroToHundred + " seconds");
|
||||
}
|
||||
@Override
|
||||
public boolean needsService(Vehicle v) {
|
||||
return getMileage() > 5000;
|
||||
}
|
||||
|
||||
@Override
|
||||
public void performService() {
|
||||
System.out.println("High-performance brake system checked");
|
||||
}
|
||||
|
||||
}
|
||||
|
||||
@@ -21,12 +21,35 @@ public abstract class Vehicle {
|
||||
}
|
||||
|
||||
// TODO: Create getters for all fields
|
||||
public String getBrand() {
|
||||
return brand;
|
||||
}
|
||||
|
||||
public String getModel() {
|
||||
return model;
|
||||
}
|
||||
|
||||
public int getYear() {
|
||||
return year;
|
||||
}
|
||||
|
||||
public double getMileage() {
|
||||
return mileage;
|
||||
}
|
||||
|
||||
// TODO: Implement addMileage(double km)
|
||||
// If km is negative → print error
|
||||
// Otherwise increase mileage
|
||||
public void addMileage(double km) {
|
||||
if (km < 0) {
|
||||
System.out.println("Mileage cannot be negative.");
|
||||
return;
|
||||
}
|
||||
mileage += km;
|
||||
}
|
||||
|
||||
// TODO: Declare abstract method getEnergyType()
|
||||
public abstract String getEnergyType();
|
||||
|
||||
public void basicInfo() {
|
||||
System.out.println(
|
||||
|
||||
@@ -1,4 +1,8 @@
|
||||
package org.util;
|
||||
import org.model.Vehicle;
|
||||
import org.model.ElectricCar;
|
||||
import org.model.GasCar;
|
||||
import org.model.SportsCar;
|
||||
|
||||
import org.*;
|
||||
import org.model.Vehicle;
|
||||
@@ -18,5 +22,15 @@ public class VehicleInspector {
|
||||
// If ElectricCar → print "Check battery system"
|
||||
// If SportsCar → print "Check brakes and performance"
|
||||
// If GasCar → print "Check engine and oil"
|
||||
if (v instanceof ElectricCar) {
|
||||
System.out.println("Check battery system");
|
||||
}
|
||||
else if (v instanceof SportsCar) {
|
||||
System.out.println("Check brakes and performance");
|
||||
}
|
||||
else if (v instanceof GasCar) {
|
||||
System.out.println("Check engine and oil");
|
||||
}
|
||||
|
||||
}
|
||||
}
|
||||
|
||||
Reference in New Issue
Block a user