4 Commits
Author SHA1 Message Date
MehrdadShirvani 6cb8f9a8d8 Update README.md 2026-04-27 04:57:05 +00:00
MehrdadShirvani 4e9b7eb7ea fix: structure 2026-04-27 08:27:31 +03:30
MehrdadShirvani 7eefa807a3 fix: add more details for bonus part 2026-04-27 08:21:49 +03:30
MehrdadShirvani 22fc28130e fix: make comments clear and detailed 2026-04-27 08:21:32 +03:30
9 changed files with 30 additions and 202 deletions
Generated
-1
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@@ -1 +0,0 @@
Main.java
+11 -4
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@@ -41,9 +41,9 @@ The project consists of the following classes and interfaces:
| GasCar | | ElectricCar |
| (Class) | | (Class) |
+-------------------+ +-------------------+
^ ^ ^
^ | |
| extends | implements | implements
| | |
|
+-------------------+ +-------------------+ +-------------------+
| SportsCar | | Refuelable | | Chargeable |
| (Class) | | (Interface) | | (Interface) |
@@ -118,7 +118,14 @@ Add a `HybridCar` class
- Create a `HybridCar` class that extends `Car`.
- It will need variables for both battery level and fuel level
- Implement `Refuelable` and `Chargeable` together
- (Optional) Override methods to manage both power sources (driving drains battery first, then gas)
- Service logic for HybridCar:
```
needsService(): return true if mileage > 10000
performService():
Print "Engine oil changed and battery system checked"
Reset fuelLevel to 100
Reset chargeLevel to 100
```
## Workflow
1. Fork the repository to your own Git account
@@ -133,6 +140,6 @@ git checkout -b develop
```
git push origin develop
```
7. Create a Pull Request from `develop` to `main`
7. Create a Pull Request from `develop` to `main` or `master`
# GOOD LUCK! :)
+7 -36
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@@ -1,7 +1,4 @@
package org;
import org.model.*;
import java.util.ArrayList;
public class Main {
public static void main(String[] args) {
@@ -20,14 +17,9 @@ public class Main {
// ElectricCar tesla = new ElectricCar(...);
// ============================================================
ElectricCar tesla = new ElectricCar("Tesla", "Roodster",
2023, 0, 7, 53, 80);
GasCar ferrari= new GasCar("Scuderia Ferrari", "SF90",
2024, 100, 4,78,"petrol");
SportsCar lamborghini= new SportsCar("lamborghini", "huracan",
2026, 20000, 2,72 ,"Petrol",2.6);
HybridCar porsche= new HybridCar("porsche", "panamara",
2024, 200, 7, 26, 50);
// ============================================================
// TODO 2:
@@ -40,7 +32,7 @@ public class Main {
// as their parent type (Vehicle).
// ============================================================
Vehicle[] vehicle={tesla,ferrari,lamborghini,porsche};
@@ -55,11 +47,7 @@ public class Main {
// behavior and can call inherited methods.
// ============================================================
for (int i=0; i< vehicle.length; i++)
{
vehicle[i].basicInfo();
System.out.println("=======================================");
}
@@ -74,11 +62,7 @@ public class Main {
// • Show subclassspecific inspection messages
// ============================================================
for (int i=0; i<4; i++)
{
vehicle[i].performService();
System.out.println("=======================================");
}
@@ -96,7 +80,6 @@ public class Main {
//
// ============================================================
Serviceable[] serviceables = {tesla, ferrari, lamborghini, porsche};
@@ -124,18 +107,6 @@ public class Main {
// ============================================================
for (Serviceables s: serviceables)
{
Vehicle v= (Vehicle) s;
if (v.needsService())
{
System.out.println("brand: "+ v.getBrand()+ " model"+ v.getModel());
v.performService();
}
else
System.out.println("brand: "+ v.getBrand()+ " model"+ v.getModel()+" does not need service");
System.out.println("=======================================");
}
@@ -147,7 +118,7 @@ public class Main {
//
// ============================================================
System.out.println("=== Workshop Completed ===");
+4 -24
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@@ -15,21 +15,18 @@ public abstract class Car extends Vehicle implements Serviceable {
private int seats;
public Car(String brand, String model, int year, double mileage, int seats) {
public Car(String brand, String model, int year,
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
/*
* Implement Serviceable methods:
*
@@ -41,21 +38,4 @@ public abstract class Car extends Vehicle implements Serviceable {
* performService():
* - Print: "General car service completed"
*/
@Override
public boolean needsService()
{
if (getMileage()>1000)
return true;
else
return false;
}
public abstract void performService();
@Override
public void showDetails()
{
System.out.println("Car's seats: "+ seats);
}
}
+4 -24
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@@ -28,32 +28,12 @@ public class ElectricCar extends Car implements Chargeable {
}
// TODO: Override getEnergyType() → return "Electric"
@Override
public String getEnergyType()
{
return "Electric";
}
// TODO: Override showDetails()
@Override
public void showDetails()
{
System.out.println("batteryCapacity: "+ batteryCapacity+ " chargeLevel: "+ chargeLevel);
}
// Call super.showDetails()
// Print battery capacity and charge level
// TODO: Implement charge(double amount)
public void performService()
{
System.out.println("Battery system checked");
chargeLevel=100;
}
@Override
public boolean needsService()
{
if (getMileage()>8000)
return true;
else
return false;
}
// Validate negative
// Cap at 100
}
+4 -24
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@@ -28,32 +28,12 @@ public class GasCar extends Car implements Refuelable {
}
// TODO: Override getEnergyType() → return fuelType + " (Gas)"
@Override
public String getEnergyType()
{
return "Gas";
}
// TODO: Implement refuel(double amount)
public void performService()
{
System.out.println("Engine oil changed");
fuelLevel=100;
}
@Override
public boolean needsService()
{
if (getMileage()>12000)
return true;
else
return false;
}
// Validate amount
// Cap at 100
// TODO: Override showDetails()
@Override
public void showDetails()
{
System.out.println("fuelType: "+fuelType+" fuelLevel: "+fuelLevel);
}
// Call super.showDetails()
// Print fuel level and fuel type
}
-42
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@@ -1,42 +0,0 @@
package org.model;
import org.behavior.Chargeable;
public class HybridCar extends Car implements Chargeable {
private int batteryCapacity;
private double chargeLevel;
public HybridCar(String brand, String model, int year,
double mileage, int seats,
int batteryCapacity, double chargeLevel) {
super(brand, model, year, mileage, seats);
this.batteryCapacity = batteryCapacity;
this.chargeLevel = chargeLevel;
}
public String getEnergyType()
{
return "Hybrid";
}
@Override
public boolean needsService()
{
if (getMileage()>24000)
return true;
else
return false;
}
public void performService() {
System.out.println("Battery system checked");
chargeLevel=100;
}
@Override
public void showDetails()
{
System.out.println("batteryCapacity: "+ batteryCapacity+ " chargeLevel: "+ chargeLevel);
}
}
-22
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@@ -24,29 +24,7 @@ public class SportsCar extends GasCar {
this.zeroToHundred = zeroToHundred;
}
public void performService()
{
System.out.println("High-performance brake system checked");
}
@Override
public boolean needsService()
{
if (getMileage()>5000)
return true;
else
return false;
}
// TODO: Override showDetails()
// Print header
// Call super.showDetails()
// Print acceleration time
@Override
public void showDetails()
{
System.out.println("sport car");
super.showDetails();
System.out.println(zeroToHundred);
}
}
-25
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@@ -21,35 +21,12 @@ 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 double addMileage(double km)
{
if (km<0)
{
System.out.println("error");
return mileage;
}
mileage+=km*0.621371;
return mileage;
}
// TODO: Declare abstract method getEnergyType()
public abstract String getEnergyType();
public void basicInfo() {
System.out.println(
@@ -60,6 +37,4 @@ public abstract class Vehicle {
}
public abstract void showDetails();
public abstract void performService();
public abstract boolean needsService();
}