hw-1-jv-oop-advanced

src/main/java/core/basesyntax/AreaCalcualtor.java

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+package core.basesyntax;
+
+public interface AreaCalcualtor {
+    double getArea();
+}

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

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+package core.basesyntax;
+
+public class Circle extends Figure {
+    private double radius;
+
+    public Circle(Color color, double radius) {
+        super(color.name());
+        this.radius = radius;
+    }
+
+    @Override
+    public double getArea() {
+        return Math.PI * radius * radius;
+    }
+
+    @Override
+    public void draw() {
+        System.out.println("radius: " + radius + " units");
+    }
+}

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

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+package core.basesyntax;
+
+public enum Color {
+    RED, GREEN, BLUE, YELLOW, BLACK, WHITE;
+}

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

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+package core.basesyntax;
+
+import java.util.Random;
+
+public class ColorSupplier {
+    private static final Random RANDOM = new Random();
+
+    public String getRandomColor() {
+        Color[] colors = Color.values();
+        return colors[RANDOM.nextInt(colors.length)].toString();
+    }
+}

src/main/java/core/basesyntax/Drawable.java

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+package core.basesyntax;
+
+public interface Drawable {
+    void draw();
+}

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

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+package core.basesyntax;
+
+public abstract class Figure implements Drawable, AreaCalcualtor {
+    protected String color;
+
+    public Figure(String color) {
+        this.color = color;
+    }
+
+    @Override
+    public void draw() {
+        System.out.println("Figure: " + this.getClass().getSimpleName()
+                + ", area: " + getArea() + " sq. units, color: " + color);
+    }
+}

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

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+package core.basesyntax;
+
+import java.util.Random;
+
+class FigureSupplier {
+    private static final int FIGURE_TYPES_COUNT = 5;
+    private static final int MAX_DIMENSION = 10;
+    private static final int MIN_DIMENSION = 1;
+    private static final int DEFAULT_RADIUS = 10;
+
+    private Random random = new Random();
+    private ColorSupplier colorSupplier = new ColorSupplier();
+
+    public Figure getRandomFigure() {
+        String color = colorSupplier.getRandomColor();
+        switch (random.nextInt(FIGURE_TYPES_COUNT)) {
+            case 0: {
+                int side = random.nextInt(MAX_DIMENSION) + MIN_DIMENSION;
+                return new Square(Color.valueOf(color), side);
+            }
+            case 1: {
+                int firstLeg = random.nextInt(MAX_DIMENSION) + MIN_DIMENSION;
+                int secondLeg = random.nextInt(MAX_DIMENSION) + MIN_DIMENSION;
+                return new Rectangle(Color.valueOf(color), firstLeg, secondLeg);
+            }
+            case 2: {
+                int firstLeg = random.nextInt(MAX_DIMENSION) + MIN_DIMENSION;
+                int secondLeg = random.nextInt(MAX_DIMENSION) + MIN_DIMENSION;
+                return new RightTriangle(Color.valueOf(color), firstLeg, secondLeg);
+            }
+            case 3: {
+                int radius = random.nextInt(MAX_DIMENSION) + MIN_DIMENSION;
+                return new Circle(Color.valueOf(color), radius);
+            }
+            default: {
+                int topBase = random.nextInt(MAX_DIMENSION) + MIN_DIMENSION;
+                int bottomBase = random.nextInt(MAX_DIMENSION) + MIN_DIMENSION;
+                int secondLeg = random.nextInt(MAX_DIMENSION) + MIN_DIMENSION;
+                return new IsoscelesTrapezoid(Color.valueOf(color), topBase, bottomBase, secondLeg);
+            }
+        }
+    }
+
+    public Figure getDefaultFigure() {
+        return new Circle(Color.WHITE, DEFAULT_RADIUS);
+    }
+}

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

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+package core.basesyntax;
+
+public class IsoscelesTrapezoid extends Figure {
+    private double topBase;
+    private double bottomBase;
+    private double height;
+
+    public IsoscelesTrapezoid(Color color, double topBase, double bottomBase, double height) {
+        super(color.name());
+        this.topBase = topBase;
+        this.bottomBase = bottomBase;
+        this.height = height;
+    }
+
+    @Override
+    public void draw() {
+        super.draw();
+        System.out.println("topBase: " + topBase + " units, bottomBase: "
+                + bottomBase + " units, height: " + height + " units");
+    }
+
+    @Override
+    public double getArea() {
+        return 0.5 * (topBase + bottomBase) * height;
+    }
+}

src/main/java/core/basesyntax/Main.java

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+package core.basesyntax;
+
+public class Main {
+    public static void main(String[] args) {
+        FigureSupplier figureSupplier = new FigureSupplier();
+        final int arraySize = (int) (Math.random() * 10) + 1;
+        Figure[] figures = new Figure[arraySize];
+
+        for (int i = 0; i < figures.length; i++) {
+            if (i < figures.length / 2) {
+                figures[i] = figureSupplier.getRandomFigure();
+            } else {
+                figures[i] = figureSupplier.getDefaultFigure();
+            }
+        }
+
+        for (Figure figure : figures) {
+            figure.draw();
+        }
+    }
+}
+

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

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+package core.basesyntax;
+
+public class Rectangle extends Figure {
+    private double width;
+    private double height;
+
+    public Rectangle(Color color, double width, double height) {
+        super(color.name());
+        this.width = width;
+        this.height = height;
+    }
+
+    @Override
+    public void draw() {
+        System.out.println("width: " + width + " units, height: " + height + " units");
+    }
+
+    @Override
+    public double getArea() {
+        return width * height;
+    }
+}

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

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+package core.basesyntax;
+
+public class RightTriangle extends Figure {
+    private double firstLeg;
+    private double secondLeg;
+
+    public RightTriangle(Color color, double firstLeg, double secondLeg) {
+        super(color.name());
+        this.firstLeg = firstLeg;
+        this.secondLeg = secondLeg;
+    }
+
+    @Override
+    public void draw() {
+        System.out.println("firstLeg: " + firstLeg + " units, secondLeg: " + secondLeg + " units");
+    }
+
+    @Override
+    public double getArea() {
+        return 0.5 * firstLeg * secondLeg;
+    }
+}

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

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+package core.basesyntax;
+
+public class Square extends Figure {
+    private double side;
+
+    public Square(Color color, double side) {
+        super(color.name());
+        this.side = side;
+    }
+
+    @Override
+    public void draw() {
+        super.draw();
+        System.out.println("side: " + side + " units");
+    }
+
+    @Override
+    public double getArea() {
+        return side * side;
+    }
+}