Lab 1.08

BigDecimalRounder.java

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+package org.example;
+
+import java.math.BigDecimal;
+import java.math.RoundingMode;
+
+public class BigDecimalRounder {
+
+    public static double roundToNearestCent(BigDecimal number) {
+        BigDecimal rounded = number.setScale(2, RoundingMode.HALF_UP);
+        return rounded.doubleValue();
+    }
+
+    public static void main(String[] args) {
+        BigDecimal input = new BigDecimal("4.2545");
+        double roundedValue = roundToNearestCent(input);
+
+        System.out.println("Número original: " + input);
+        System.out.println("Número redondeado al centésimo más cercano: " + roundedValue);
+    }
+}

example/Car.java

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+package org.example;
+
+public abstract class Car {
+    private String vinNumber;
+    private String make;
+    private String model;
+    private int mileage;
+
+    public Car(String vinNumber, String make, String model, int mileage) {
+        this.vinNumber = vinNumber;
+        this.make = make;
+        this.model = model;
+        this.mileage = mileage;
+    }
+
+    public abstract String getInfo();
+
+    public String getVinNumber() {
+        return vinNumber;
+    }
+
+    public String getMake() {
+        return make;
+    }
+
+    public String getModel() {
+        return model;
+    }
+
+    public int getMileage() {
+        return mileage;
+    }
+}

example/Main.java

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+package org.example;
+
+public class Main {
+    public static void main(String[] args) {
+        Sedan sedan = new Sedan("123ABC", "Toyota", "Corolla", 25000, 4);
+        UtilityVehicle utilityVehicle = new UtilityVehicle("456DEF", "Jeep", "Wrangler", 15000, true);
+        Truck truck = new Truck("789GHI", "Ford", "F-150", 30000, 2.5);
+
+        System.out.println(sedan.getInfo());
+        System.out.println(utilityVehicle.getInfo());
+        System.out.println(truck.getInfo());
+    }
+}

example/Movie.java

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+package org.example;
+
+public class Movie extends Video {
+    private double rating;
+
+    public Movie(String title, int duration, double rating) {
+        super(title, duration);
+        this.rating = rating;
+    }
+
+    @Override
+    public String getInfo() {
+        return String.format("Movie: %s - Rating: %.1f, Duration: %d minutes",
+                getTitle(), rating, getDuration());
+    }
+
+    public double getRating() {
+        return rating;
+    }
+}

example/Sedan.java

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+package org.example;
+
+public class Sedan extends Car {
+    private int numberOfDoors;
+
+    public Sedan(String vinNumber, String make, String model, int mileage, int numberOfDoors) {
+        super(vinNumber, make, model, mileage);
+        this.numberOfDoors = numberOfDoors;
+    }
+
+
+    @Override
+    public String getInfo() {
+        return String.format("Sedan: %s %s, VIN: %s, Mileage: %d miles, Doors: %d",
+                getMake(), getModel(), getVinNumber(), getMileage(), numberOfDoors);
+    }
+}

example/Truck.java

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+package org.example;
+
+public class Truck extends Car {
+    private double towingCapacity;
+
+    public Truck(String vinNumber, String make, String model, int mileage, double towingCapacity) {
+        super(vinNumber, make, model, mileage);
+        this.towingCapacity = towingCapacity;
+    }
+
+    @Override
+    public String getInfo() {
+        return String.format("Truck: %s %s, VIN: %s, Mileage: %d miles, Towing Capacity: %.2f tons",
+                getMake(), getModel(), getVinNumber(), getMileage(), towingCapacity);
+    }
+}

example/TvSeries.java

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+package org.example;
+
+public class TvSeries extends Video {
+    private int episodes;
+
+    public TvSeries(String title, int duration, int episodes) {
+        super(title, duration);
+        this.episodes = episodes;
+    }
+
+    @Override
+    public String getInfo() {
+        return String.format("TV Series: %s - %d episodes, Duration: %d minutes",
+                getTitle(), episodes, getDuration());
+    }
+
+
+    public int getEpisodes() {
+        return episodes;
+    }
+}

example/UtilityVehicle.java

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+package org.example;
+
+public class UtilityVehicle extends Car {
+    private boolean fourWheelDrive;
+
+    public UtilityVehicle(String vinNumber, String make, String model, int mileage, boolean fourWheelDrive) {
+        super(vinNumber, make, model, mileage);
+        this.fourWheelDrive = fourWheelDrive;
+    }
+
+    @Override
+    public String getInfo() {
+        String driveType = fourWheelDrive ? "4WD" : "2WD";
+        return String.format("Utility Vehicle: %s %s, VIN: %s, Mileage: %d miles, Drive: %s",
+                getMake(), getModel(), getVinNumber(), getMileage(), driveType);
+    }
+}

example/Video.java

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+package org.example;
+
+public abstract class Video {
+    private String title;
+    private int duration;
+
+    public Video(String title, int duration) {
+        this.title = title;
+        this.duration = duration;
+    }
+
+    public abstract String getInfo();
+
+    public String getTitle() {
+        return title;
+    }
+
+    public int getDuration() {
+        return duration;
+    }
+}