Finished lab Luis Alejos

src/main/java/org/example/App.java

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+package org.example;
+
+import java.math.BigDecimal;
+import java.math.RoundingMode;
+import static org.example.BigDecimalPositiveNegative.NegativePositive;
+import static org.example.BigDecimalRounding.roundTonearestCent;
+
+public class App {
+    public static void main( String[] args ) {
+
+        BigDecimalRounding bigDecimalRounding = new BigDecimalRounding();
+
+        BigDecimal value = new BigDecimal("4.2545");
+        double roundValue = roundTonearestCent(value);
+        System.out.println(roundValue);
+
+        BigDecimal positiveNumber = new BigDecimal("1.2345");
+        System.out.println(BigDecimalPositiveNegative.NegativePositive(positiveNumber));
+
+        BigDecimal negativeNumber = new BigDecimal("-45.67");
+        System.out.println(BigDecimalPositiveNegative.NegativePositive(negativeNumber));
+
+
+
+
+
+
+
+
+    }
+}

src/main/java/org/example/BigDecimalPositiveNegative.java

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+package org.example;
+
+import java.math.BigDecimal;
+import java.math.RoundingMode;
+
+public class BigDecimalPositiveNegative {
+    public static BigDecimal NegativePositive(BigDecimal value){
+        BigDecimal flippedValue = value.negate();
+        BigDecimal roundValue = flippedValue.setScale(1, RoundingMode.HALF_UP);
+
+        return roundValue;
+    }
+}

src/main/java/org/example/BigDecimalRounding.java

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+package org.example;
+
+import java.math.BigDecimal;
+import java.math.RoundingMode;
+
+public class BigDecimalRounding {
+
+    public static double roundTonearestCent(BigDecimal value){
+        BigDecimal rounded = value.setScale(2, RoundingMode.HALF_UP);
+        return rounded.doubleValue();
+    }
+}

src/main/java/org/example/classes/Abstract/Car.java

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+package org.example.classes.Abstract;
+
+public abstract class Car {
+
+    protected String vinNumber;
+    protected String make;
+    protected String model;
+    protected 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 String getInfo(){
+        return "VIN Number: " + this.vinNumber + " Make: " + this.make + " Model: " + this.model +
+                " Mileage: " + this.mileage + " Miles";
+    }
+
+    public String getVinNumber() {
+        return vinNumber;
+    }
+
+    public void setVinNumber(String vinNumber) {
+        this.vinNumber = vinNumber;
+    }
+
+    public String getMake() {
+        return make;
+    }
+
+    public void setMake(String make) {
+        this.make = make;
+    }
+
+    public String getModel() {
+        return model;
+    }
+
+    public void setModel(String model) {
+        this.model = model;
+    }
+
+    public int getMileage() {
+        return mileage;
+    }
+
+    public void setMileage(int mileage) {
+        this.mileage = mileage;
+    }
+}

src/main/java/org/example/classes/Abstract/Video.java

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+package org.example.classes.Abstract;
+
+public abstract class Video {
+    protected String title;
+    protected int duration;
+
+    public Video(String title, int duration) {
+        this.title = title;
+        this.duration = duration;
+    }
+
+    public String getInfo() {
+        return "titulo: "+ this.title + ", Duracion: " + this.duration + " minutos";
+    }
+
+    public String getTitle() {
+        return title;
+    }
+
+    public void setTitle(String title) {
+        this.title = title;
+    }
+
+    public int getDuration() {
+        return duration;
+    }
+
+    public void setDuration(int duration) {
+        this.duration = duration;
+    }
+}

src/main/java/org/example/classes/IntArrayList.java

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+package org.example.classes;
+
+import org.example.interfaces.IntList;
+
+public class IntArrayList implements IntList {
+    private int[] numbers;
+    private int size;
+
+    public IntArrayList(){
+        this.numbers = new int[10];
+        this.size = 0;
+    }
+
+
+    @Override
+    public void add(int number) {
+        if (size == numbers.length) {
+            int newLength = numbers.length + numbers.length / 2;
+            numbers = resizeArray(numbers, newLength);
+        }
+        numbers[size++] = number;
+    }
+
+    @Override
+    public int get(int id) {
+        if(id >= 0 && id <= size){
+            return numbers[id];
+        }else {
+            throw new IndexOutOfBoundsException("Indice fuera de rango: " + id);
+        }
+    }
+
+    private int[] resizeArray(int[] original, int newLength) {
+        int[] newArray = new int[newLength];
+        System.arraycopy(original, 0, newArray, 0, original.length);
+        return newArray;
+    }
+}

src/main/java/org/example/classes/IntVector.java

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+package org.example.classes;
+
+import org.example.interfaces.IntList;
+
+public class IntVector implements IntList {
+    private int[] numbers;
+    private int size;
+
+    public IntVector(int[] numbers, int size) {
+        this.numbers = new int[20];
+        this.size = 0;
+
+
+    }
+
+    @Override
+    public void add(int number) {
+        if(size == numbers.length){
+            int newLength = numbers.length * 2;
+            numbers = resizeArray(numbers, newLength);
+        }
+        numbers[size++] = number;
+    }
+
+    @Override
+    public int get(int id) {
+        if(id >= 0 && id <= size){
+            return numbers[id];
+        }else {
+            throw new IndexOutOfBoundsException("Indice fuera de rango: " + id);
+        }
+
+    }
+
+    private int[] resizeArray(int[] original, int newLength) {
+        int[] newArray = new int[newLength];
+        System.arraycopy(original, 0, newArray, 0, original.length);
+        return newArray;
+    }
+}

src/main/java/org/example/classes/Movie.java

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+package org.example.classes;
+
+import org.example.classes.Abstract.Video;
+
+public class Movie extends Video {
+    private double rating;
+
+
+    public Movie(String title, int duration) {
+        super(title, duration);
+    }
+
+    @Override
+    public String getInfo() {
+        return super.getInfo();
+    }
+
+    public double getRating() {
+        return rating;
+    }
+
+    public void setRating(double rating) {
+        this.rating = rating;
+    }
+}
+
+
+
+

src/main/java/org/example/classes/Sedan.java

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+package org.example.classes;
+
+import org.example.classes.Abstract.Car;
+
+public class Sedan extends Car {
+
+    public Sedan(String vinNumber, String make, String model, int mileage) {
+        super(vinNumber, make, model, mileage);
+    }
+}

src/main/java/org/example/classes/Truck.java

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+package org.example.classes;
+
+import org.example.classes.Abstract.Car;
+
+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 super.getInfo() + "Towing Capacity: " + towingCapacity + " Lbs";
+    }
+
+    public double getTowingCapacity() {
+        return towingCapacity;
+    }
+
+    public void setTowingCapacity(double towingCapacity) {
+        this.towingCapacity = towingCapacity;
+    }
+}
+

src/main/java/org/example/classes/TvSeries.java

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+package org.example.classes;
+
+import org.example.classes.Abstract.Video;
+
+public class TvSeries extends Video {
+    private int episodes;
+
+    public TvSeries(String title, int duration) {
+        super(title, duration);
+    }
+
+    @Override
+    public String getInfo() {
+        return super.getInfo();
+    }
+
+    public int getEpisodes() {
+        return episodes;
+    }
+
+    public void setEpisodes(int episodes) {
+        this.episodes = episodes;
+    }
+}

src/main/java/org/example/classes/UtilityVehicle.java

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+package org.example.classes;
+
+import org.example.classes.Abstract.Car;
+
+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;
+    }
+
+    public String getInfo(){
+        return super.getInfo() + "Four-Wheel Drive " + ((fourWheelDrive) ? "yes" : "No");
+    }
+
+    public boolean isFourWheelDrive() {
+        return fourWheelDrive;
+    }
+
+    public void setFourWheelDrive(boolean fourWheelDrive) {
+        this.fourWheelDrive = fourWheelDrive;
+    }
+}

src/main/java/org/example/interfaces/IntList.java

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+package org.example.interfaces;
+
+public interface IntList  {
+
+    void add( int number);
+    int get(int id);
+
+}
+