66 lines
1.3 KiB
Java
66 lines
1.3 KiB
Java
package org.model;
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/*
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* Abstract base class for all vehicles.
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* This class DOES NOT implement Serviceable.
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* Service behavior will be defined in concrete subclasses.
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*/
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public abstract class Vehicle {
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private String brand;
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private String model;
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private int year;
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private double mileage;
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public Vehicle(String brand, String model, int year, double mileage) {
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this.brand = brand;
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this.model = model;
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this.year = year;
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this.mileage = mileage;
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}
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public String getBrand() {
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return this.brand;
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}
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public String getModel() {
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return this.model;
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}
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public int getYear() {
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return this.year;
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}
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public double getMileage() {
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return this.mileage;
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}
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// If km is negative → print error
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// Otherwise increase mileage
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public void addMileage(double km) {
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if(km<0) {
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System.out.print("km cannot be negative");
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}
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else {
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this.mileage += km;
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}
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}
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public abstract String getEnergyType();
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public void basicInfo() {
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System.out.println(
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year + " " + brand + " " + model +
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" | Mileage: " + mileage +
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" | Energy: " + getEnergyType()
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);
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}
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public abstract void showDetails();
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}
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