lab completed 90%

src/BigDecimalOperations.java

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+import java.math.BigDecimal;
+import java.math.RoundingMode;
+
+public class BigDecimalOperations {
+    static void main(String[] args){
+
+        BigDecimal a = new BigDecimal("4.2545");
+        double result = toRoundedDouble(a);
+
+        System.out.println(result);
+
+        BigDecimal b = new BigDecimal("1.2345");
+        BigDecimal bMinus = reverseSign(b);
+
+        System.out.println(bMinus);
+
+        BigDecimal c = new BigDecimal("-45.67");
+        BigDecimal cMinus = reverseSign(c);
+
+        System.out.println(cMinus);
+    }
+
+    private static double toRoundedDouble(BigDecimal a) {
+        return a.setScale(2, RoundingMode.HALF_UP).doubleValue();
+    }
+
+    private static BigDecimal reverseSign(BigDecimal b ){
+        return b.setScale(1, RoundingMode.HALF_UP).negate();
+    }
+
+
+}

src/CarInventorySystem/Car.java

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+package CarInventorySystem;
+
+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 void getInfo(){
+        System.out.println("The vehicle is a " + make + " " + model + " with VIN number: " + vinNumber + " and at " + mileage + "km.");
+    }
+
+    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/CarInventorySystem/CarApplication.java

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+package CarInventorySystem;
+
+public class CarApplication {
+    public static void main(String[] args){
+
+        Car sedan = new Sedan ("WZZZADG30986DC45H", "Honda", "Civic", 150000);
+        Car truck = new Truck ("1FTFWET4EFA88453", "Ford", "F-150", 289648, 14000);
+        Car utility = new UtilityVehicle("J3T1AC12R8M1003HM76", "Toyota", "Rav4", 35699, true);
+
+
+        sedan.getInfo();
+        truck.getInfo();
+        utility.getInfo();
+    }
+}

src/CarInventorySystem/Sedan.java

@@ -0,0 +1,12 @@
+package CarInventorySystem;
+
+public class Sedan extends Car {
+
+
+    public Sedan(String vinNumber, String make, String model, int mileage) {
+        super(vinNumber, make, model, mileage);
+    }
+
+
+
+}

src/CarInventorySystem/Truck.java

@@ -0,0 +1,24 @@
+package CarInventorySystem;
+
+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 void getInfo(){
+        System.out.println("The vehicle is a " + getMake() + " " + getModel() + " with VIN number: " + getVinNumber() + " at " + getMileage() + "km " + "and with a towning capacity of " + towingCapacity);
+    }
+
+
+    public double getTowingCapacity() {
+        return towingCapacity;
+    }
+
+    public void setTowingCapacity(double towingCapacity) {
+        this.towingCapacity = towingCapacity;
+    }
+}

src/CarInventorySystem/UtilityVehicle.java

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+package CarInventorySystem;
+
+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 void getInfo() {
+        System.out.println("The vehicle is a " + getMake() + " " + getModel() + " with VIN number: " + getVinNumber() + " at " + getMileage() + "km " + "and has four wheel drive " + fourWheelDrive);
+    }
+
+        boolean isFourWheelDrive () {
+            return fourWheelDrive;
+        }
+
+        public void setFourWheelDrive ( boolean fourWheelDrive){
+            this.fourWheelDrive = fourWheelDrive;
+        }
+}

src/Interface/IntArrayList.java

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+package Interface;
+
+import java.sql.Array;
+
+public class IntArrayList implements IntList {
+
+
+
+
+    public static void arraycopy(Object src, int srcPos, Object dest, int destPos, int length){
+        int[] sourceArray = new int[] {1,2,3,4,5,6,7,8,9,10};
+        int[] destinationArray = new int[10];
+        System.arraycopy(sourceArray, 0, destinationArray, 4, sourceArray.length);
+
+        System.out.println(Array.toString(destinationArray));
+    }
+
+
+
+
+    @Override
+    public int add(int number) {
+        return 0;
+    }
+
+    @Override
+    public int get(int id) {
+        return 0;
+    }
+}

src/Interface/IntList.java

@@ -0,0 +1,13 @@
+package Interface;
+
+public interface IntList {
+
+    default int add(int number){
+    }
+
+
+
+
+   default int get(int id){
+   }
+}

src/Interface/IntListApplication.java

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+package Interface;
+
+public class IntListApplication {
+    static void main (String[] args){
+
+
+
+    }
+}

src/Interface/IntVector.java

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+package Interface;
+
+public class IntVector implements IntList{
+    @Override
+    public int add(int number) {
+        return 0;
+    }
+
+    @Override
+    public int get(int id) {
+        return 0;
+    }
+}

src/VideoStreamingService/Movie.java

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+package VideoStreamingService;
+
+public class Movie extends Video {
+    private double rating;
+
+
+    public Movie(String title, int duration, double rating) {
+        super(title, duration);
+        this.rating = rating;
+    }
+
+    @Override
+    public void getInfo() {
+        System.out.println(getTitle() +  " has a rating of " + rating + " over 10");
+    }
+
+    public double getRating() {
+        return rating;
+    }
+
+    public void setRating(double rating) {
+        this.rating = rating;
+    }
+}

src/VideoStreamingService/StreamingApplication.java

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+package VideoStreamingService;
+
+public class StreamingApplication {
+    public  static void main(String[] args) {
+        Video tvSerie = new TvSeries("Doctor Who", 1, 30);
+        Video movie = new Movie("Lord Of The Rings", 5, 8.5);
+
+        tvSerie.getInfo();
+        movie.getInfo();
+
+    }
+}

src/VideoStreamingService/TvSeries.java

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+package VideoStreamingService;
+
+public class TvSeries extends Video {
+    private int episode;
+
+
+    public TvSeries(String title, int duration, int episode) {
+        super(title, duration);
+        this.episode = episode;
+    }
+
+
+    @Override
+    public void getInfo() {
+        System.out.println(getTitle() +  " has " + episode  + " episodes");
+    }
+
+    public int getEpisode() {
+        return episode;
+    }
+
+    public void setEpisode(int episode) {
+        this.episode = episode;
+    }
+}

src/VideoStreamingService/Video.java

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+package VideoStreamingService;
+
+public abstract class Video {
+    private String title;
+    private int duration;
+
+    public Video(String title, int duration) {
+        this.title = title;
+        this.duration = duration;
+    }
+
+ public void getInfo(){
+     System.out.println(title +  " has a duration of " + duration + "h");
+ }
+
+    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;
+    }
+}