9 Commits
9 changed files with 236 additions and 20 deletions
+1 -1
View File
@@ -8,7 +8,7 @@
</list>
</option>
</component>
<component name="ProjectRootManager" version="2" languageLevel="JDK_21" default="true" project-jdk-name="21" project-jdk-type="JavaSDK">
<component name="ProjectRootManager" version="2" languageLevel="JDK_25" default="true" project-jdk-name="25" project-jdk-type="JavaSDK">
<output url="file://$PROJECT_DIR$/out" />
</component>
</project>
+37 -6
View File
@@ -1,5 +1,12 @@
package org;
import org.behavior.Serviceable;
import org.model.ElectricCar;
import org.model.GasCar;
import org.model.SportsCar;
import org.model.Vehicle;
import org.util.VehicleInspector;
public class Main {
public static void main(String[] args) {
@@ -17,8 +24,17 @@ public class Main {
// ElectricCar tesla = new ElectricCar(...);
// ============================================================
ElectricCar tesla = new ElectricCar(
"Telsa", "Model S", 2022, 1000,
4, 500, 80);
GasCar RR = new GasCar(
"Rolls Royce", "Phantom", 2018, 85000,
5, 50, "Petrol");
SportsCar porsche = new SportsCar(
"Porsche", "GT3-RS", 2024, 500,
2, 70, "Petrol", 3.9);
// ============================================================
@@ -32,7 +48,7 @@ public class Main {
// as their parent type (Vehicle).
// ============================================================
Vehicle[] vehicles = {tesla, RR, porsche};
@@ -47,7 +63,10 @@ public class Main {
// behavior and can call inherited methods.
// ============================================================
for(Vehicle v : vehicles){
v.basicInfo();
System.out.println();
}
@@ -62,7 +81,9 @@ public class Main {
// • Show subclassspecific inspection messages
// ============================================================
for(Vehicle v : vehicles){
VehicleInspector.inspect(v);
}
@@ -80,7 +101,7 @@ public class Main {
//
// ============================================================
Serviceable[] serviceables = {tesla, RR, porsche};
@@ -106,7 +127,17 @@ public class Main {
// Add blank lines between each item for readability.
// ============================================================
for(Serviceable s : serviceables){
Vehicle v = (Vehicle) s;
if(s.needsService(v)){
System.out.printf("Brand: %s, Model: %s\n", v.getBrand(), v.getModel());
s.performService();
System.out.println();
}
else{
System.out.println("The car does not need service\n");
}
}
@@ -118,7 +149,7 @@ public class Main {
//
// ============================================================
System.out.println("=== Workshop Completed ===");
+24 -1
View File
@@ -19,13 +19,23 @@ 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
@Override
public void showDetails(){
System.out.printf("Brand: %s, Model: %s, Year: %s, Mileage: %s\n",
getBrand(), getModel(), getYear(), getMileage());
}
/*
* Implement Serviceable methods:
@@ -38,4 +48,17 @@ public abstract class Car extends Vehicle implements Serviceable {
* performService():
* - Print: "General car service completed"
*/
@Override
public boolean needsService(Vehicle v) {
if(v.getMileage() > 10000){
return true;
}
return false;
}
@Override
public void performService() {
System.out.println("General car service completed");
}
}
+32 -4
View File
@@ -28,12 +28,40 @@ 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.printf(", Battery Capacity: %s, Charge Level: %s",
batteryCapacity, chargeLevel);
}
// TODO: Implement charge(double amount)
// Validate negative
// Cap at 100
@Override
public void charge(double amount) {
if(amount < 0){
System.out.println("Error: can\'t add negative number!");
return;
}
if(chargeLevel + amount <= 100){
chargeLevel += amount;
}
}
@Override
public boolean needsService(Vehicle v) {
return getMileage() > 8000;
}
@Override
public void performService() {
System.out.println("Battery system checked");
chargeLevel = 100;
}
}
+29 -4
View File
@@ -28,12 +28,37 @@ 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(fuelLevel + amount <= 100){
fuelLevel += amount;
}
}
// TODO: Override showDetails()
// Call super.showDetails()
// Print fuel level and fuel type
@Override
public void showDetails() {
super.showDetails();
System.out.printf(", Fuel Type: %s, Fuel Level: %s\n",
fuelType, fuelLevel);
}
@Override
public boolean needsService(Vehicle v) {
return v.getMileage() > 12000;
}
@Override
public void performService() {
System.out.println("Engine oil changed");
fuelLevel = 100;
}
}
+63
View File
@@ -0,0 +1,63 @@
package org.model;
import org.behavior.Chargeable;
import org.behavior.Refuelable;
public class HybridCar extends Car implements Refuelable, Chargeable {
private double fuelLevel;
private String fuelType;
private int batteryCapacity;
private double chargeLevel;
public HybridCar(String brand, String model, int year,
double mileage, int seats,
double fuelLevel, String fuelType, int batteryCapacity, double chargeLevel){
super(brand, model, year, mileage, seats);
this.fuelLevel = fuelLevel;
this.fuelType = fuelType;
this.batteryCapacity = batteryCapacity;
this.chargeLevel = chargeLevel;
}
@Override
public String getEnergyType() {
return "Gas & Electricity";
}
@Override
public void refuel(double amount) {
if(fuelLevel + amount <= 100){
fuelLevel += amount;
}
}
@Override
public void charge(double amount) {
if(amount < 0){
System.out.println("Error: can\'t add negative number!");
return;
}
if(chargeLevel + amount <= 100){
chargeLevel += amount;
}
}
@Override
public void showDetails() {
super.showDetails();
System.out.printf(", Fuel Type: %s, Fuel Level: %s, Battery Capacity: %s, Charge Level: %s\n",
fuelType, fuelLevel, batteryCapacity, chargeLevel);
}
@Override
public boolean needsService(Vehicle v) {
return v.getMileage() > 10000;
}
@Override
public void performService() {
System.out.println("Engine oil changed and battery system checked");
fuelLevel = 100;
chargeLevel = 100;
}
}
+15 -2
View File
@@ -25,6 +25,19 @@ public class SportsCar extends GasCar {
}
// TODO: Override showDetails()
// Call super.showDetails()
// Print acceleration time
@Override
public void showDetails() {
super.showDetails();
System.out.printf(", Acceleration Time (0-100): %s", zeroToHundred);
}
@Override
public boolean needsService(Vehicle v) {
return getMileage() > 5000;
}
@Override
public void performService() {
System.out.println("High-performance brake system checked");
}
}
+21 -2
View File
@@ -22,11 +22,30 @@ 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("Error: can\'t add negetive number!");
return;
}
mileage += km;
}
// TODO: Declare abstract method getEnergyType()
public abstract String getEnergyType();
public void basicInfo() {
System.out.println(
@@ -1,6 +1,9 @@
package org.util;
import org.*;
import org.model.ElectricCar;
import org.model.GasCar;
import org.model.SportsCar;
import org.model.Vehicle;
/*
@@ -16,7 +19,18 @@ public class VehicleInspector {
// TODO:
// If ElectricCar → print "Check battery system"
if(v instanceof ElectricCar){
System.out.println( "Check battery system");
}
// If SportsCar → print "Check brakes and performance"
if(v instanceof SportsCar){
System.out.println("Check brakes and performance");
}
// If GasCar → print "Check engine and oil"
if(v instanceof GasCar){
System.out.println("Check engine and oil");
}
}
}