jv-oop-advanced homework

src/main/java/core/basesyntax/Circle.java

@@ -0,0 +1,24 @@
+package core.basesyntax;
+
+public class Circle extends Figure {
+    private Color color;
+    private double radius;
+
+    public Circle(Color color, double radius) {
+        this.color = color;
+        this.radius = radius;
+    }
+
+    @Override
+    public double getArea() {
+        return Math.PI * radius * radius;
+    }
+
+    @Override
+    public void print() {
+        System.out.println("Figure: Circle "
+                + " area " + getArea() + " sq.units,"
+                + " side " + radius + " units"
+                + " color " + color);
+    }
+}

src/main/java/core/basesyntax/Color.java

@@ -0,0 +1,11 @@
+package core.basesyntax;
+
+public enum Color {
+    RED,
+    BLUE,
+    GREEN,
+    YELLOW,
+    WHITE,
+    BLACK,
+    VELVET;
+}

src/main/java/core/basesyntax/ColorSupplier.java

@@ -0,0 +1,12 @@
+package core.basesyntax;
+
+import java.util.Random;
+
+public class ColorSupplier {
+    private Random random = new Random();
+
+    public Color getRandomColor() {
+        int index = random.nextInt(Color.values().length);
+        return Color.values()[index];
+    }
+}

src/main/java/core/basesyntax/Figure.java

@@ -0,0 +1,5 @@
+package core.basesyntax;
+
+public abstract class Figure implements GetArea, Print {
+    private Color color;
+}

src/main/java/core/basesyntax/FigureSupplier.java

@@ -0,0 +1,41 @@
+package core.basesyntax;
+
+import java.util.Random;
+
+public class FigureSupplier {
+    static final int FIGURE_AMOUNT = 5;
+    static final int FIGURE_PARAMETERS_MAX = 20;
+    static final Color DEFAULT_COLOR = Color.WHITE;
+    static final int DEFAULT_RADIUS = 10;
+    private Random random = new Random();
+    private ColorSupplier colorSupplier = new ColorSupplier();
+
+    public Figure getRandomFigure() {
+        int randomFigureNumber = random.nextInt(FIGURE_AMOUNT + 1);
+        int randomFigureParameter = random.nextInt(FIGURE_PARAMETERS_MAX + 1);
+        switch (randomFigureNumber) {
+            case 0: {
+                return new Circle(colorSupplier.getRandomColor(), randomFigureParameter);
+            }
+            case 1: {
+                return new Square(colorSupplier.getRandomColor(), randomFigureParameter);
+            }
+            case 2: {
+                return new Rectangle(colorSupplier.getRandomColor(),
+                        randomFigureParameter, randomFigureParameter);
+            }
+            case 3: {
+                return new RightTriangle(colorSupplier.getRandomColor(),
+                        randomFigureParameter, randomFigureParameter);
+            }
+            default: {
+                return new IsoscelesTrapezoid(colorSupplier.getRandomColor(),
+                        randomFigureParameter, randomFigureParameter);
+            }
+        }
+    }
+
+    public Figure getDefaultFigure() {
+        return new Circle(DEFAULT_COLOR, DEFAULT_RADIUS);
+    }
+}

src/main/java/core/basesyntax/GetArea.java

@@ -0,0 +1,5 @@
+package core.basesyntax;
+
+public interface GetArea {
+    double getArea();
+}

src/main/java/core/basesyntax/IsoscelesTrapezoid.java

@@ -0,0 +1,29 @@
+package core.basesyntax;
+
+public class IsoscelesTrapezoid extends Figure {
+    private Color color;
+    private int side;
+    private int height;
+
+    public IsoscelesTrapezoid(Color color, int side, int height) {
+        this.color = color;
+        this.side = side;
+        this.height = height;
+    }
+
+    @Override
+    public double getArea() {
+        double sideD = side;
+        double heightD = height;
+        return ((sideD + sideD) / 2d) * heightD;
+    }
+
+    @Override
+    public void print() {
+        System.out.println("Figure: Square "
+                + " area " + getArea() + " sq.units,"
+                + " side " + side + " units,"
+                + " height " + height + " units,"
+                + " color " + color);
+    }
+}

src/main/java/core/basesyntax/MainApp.java

@@ -0,0 +1,21 @@
+package core.basesyntax;
+
+public class MainApp {
+    public static final int FIGURES_AMOUNT = 6;
+
+    public static void main(String[] args) {
+        FigureSupplier figureSupplier = new FigureSupplier();
+        Figure[] figures = new Figure[FIGURES_AMOUNT];
+
+        for (int i = 0; i < figures.length; i++) {
+            if (i < FIGURES_AMOUNT / 2) {
+                figures[i] = figureSupplier.getRandomFigure();
+            } else {
+                figures[i] = figureSupplier.getDefaultFigure();
+            }
+        }
+        for (Figure figure : figures) {
+            figure.print();
+        }
+    }
+}

src/main/java/core/basesyntax/Print.java

@@ -0,0 +1,5 @@
+package core.basesyntax;
+
+public interface Print {
+    void print();
+}

src/main/java/core/basesyntax/Rectangle.java

@@ -0,0 +1,27 @@
+package core.basesyntax;
+
+public class Rectangle extends Figure {
+    private Color color;
+    private int height;
+    private int width;
+
+    public Rectangle(Color color, int height, int width) {
+        this.color = color;
+        this.height = height;
+        this.width = width;
+    }
+
+    @Override
+    public double getArea() {
+        return height * width;
+    }
+
+    @Override
+    public void print() {
+        System.out.println("Figure: Square "
+                + " area " + getArea() + " sq.units,"
+                + " heigth " + height + " units"
+                + " width " + width + " units"
+                + " color " + color);
+    }
+}

src/main/java/core/basesyntax/RightTriangle.java

@@ -0,0 +1,28 @@
+package core.basesyntax;
+
+public class RightTriangle extends Figure {
+    private Color color;
+    private int side;
+    private int height;
+
+    public RightTriangle(Color color, int side, int height) {
+        this.color = color;
+        this.side = side;
+    }
+
+    @Override
+    public double getArea() {
+        double sideD = side;
+        double heightD = height;
+        return (sideD * heightD) / 2d;
+    }
+
+    @Override
+    public void print() {
+        System.out.println("Figure: Circle "
+                + " area " + getArea() + " sq.units,"
+                + " side " + side + " units"
+                + " height " + height + " units"
+                + " color " + color);
+    }
+}

src/main/java/core/basesyntax/Square.java

@@ -0,0 +1,24 @@
+package core.basesyntax;
+
+public class Square extends Figure {
+    private int side;
+    private Color color;
+
+    public Square(Color color, int side) {
+        this.color = color;
+        this.side = side;
+    }
+
+    @Override
+    public double getArea() {
+        return side * side;
+    }
+
+    @Override
+    public void print() {
+        System.out.println("Figure: Square "
+                + " area " + getArea() + " sq.units,"
+                + " side " + side + " units"
+                + " color " + color);
+    }
+}