Added interface CalculateArea.java, class Circle.java, class ColorSup…

…plier.java, interface Colors.java, interface Drawable.java, class Figure.java, class FigureSupplier.java, interface Figures.java, class IsoscelesTrapezoid.java, class Rectangle.java, class RightTriangle.java, class Square.java; Changed HelloWorld.java

src/main/java/core/basesyntax/CalculateArea.java

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

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

@@ -0,0 +1,20 @@
+package core.basesyntax;
+
+public class Circle extends Figure {
+    private double radius;
+
+    public Circle(String color, double radius) {
+        super(color);
+        this.radius = radius;
+    }
+
+    public double getS() {
+        return 3.14 * Math.pow(this.radius, 2);
+    }
+
+    @Override
+    public void drawFigure() {
+        System.out.println("Коло { радіус = " + this.radius + ", площа = "
+                            + getS() + ", колір - " + getColor() + " }");
+    }
+}

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

@@ -0,0 +1,11 @@
+package core.basesyntax;
+
+import java.util.Random;
+
+public class ColorSupplier {
+    public String getRandomColor() {
+        int index = new Random().nextInt(Colors.values().length);
+        Colors color = Colors.values()[index];
+        return color.toString();
+    }
+}

src/main/java/core/basesyntax/Colors.java

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

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

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

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

@@ -0,0 +1,17 @@
+package core.basesyntax;
+
+public abstract class Figure implements Drawable, CalculateArea {
+    private String color;
+
+    public Figure(String color) {
+        this.color = color;
+    }
+
+    public abstract double getS();
+
+    public abstract void drawFigure();
+
+    public String getColor() {
+        return this.color;
+    }
+}

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

@@ -0,0 +1,36 @@
+package core.basesyntax;
+
+import java.util.Random;
+
+public class FigureSupplier {
+    public Figure getRandomFigure() {
+        ColorSupplier colorSupplier = new ColorSupplier();
+        Random random = new Random();
+        int index = random.nextInt(Figures.values().length);
+        Figures figure = Figures.values()[index];
+
+        switch (figure.toString()) {
+            case "SQUARE":
+                return new Square(colorSupplier.getRandomColor(), random.nextDouble() * 100);
+            case "RECTANGLE":
+                return new Rectangle(colorSupplier.getRandomColor(),
+                        random.nextDouble() * 100, random.nextDouble() * 100);
+            case "RIGHT_TRIANGLE":
+                return new RightTriangle(colorSupplier.getRandomColor(), random.nextDouble() * 100,
+                        random.nextDouble() * 100, random.nextDouble() * 100);
+            case "CIRCLE":
+                return new Circle(colorSupplier.getRandomColor(), random.nextDouble() * 100);
+            case "ISOSCELES_TRAPEZOID":
+                return new IsoscelesTrapezoid(colorSupplier.getRandomColor(),
+                        random.nextDouble() * 100,
+                        random.nextDouble() * 100,
+                        random.nextDouble() * 100);
+            default:
+                return null;
+        }
+    }
+
+    public Figure getDefaultFigure() {
+        return new Circle(Colors.WHITE.toString(), 10);
+    }
+}

src/main/java/core/basesyntax/Figures.java

@@ -0,0 +1,9 @@
+package core.basesyntax;
+
+public enum Figures {
+    SQUARE,
+    RECTANGLE,
+    RIGHT_TRIANGLE,
+    CIRCLE,
+    ISOSCELES_TRAPEZOID
+}

src/main/java/core/basesyntax/HelloWorld.java

@@ -4,5 +4,20 @@
  * Feel free to remove this class and create your own.
  */
 public class HelloWorld {
+    public static void main(String[] args) {
+        Figure[] array = new Figure[6];
+        FigureSupplier figureSupplier = new FigureSupplier();
 
+        for (int i = 0; i <= 2; i++) {
+            array[i] = figureSupplier.getRandomFigure();
+        }
+
+        for (int i = 3; i < array.length; i++) {
+            array[i] = figureSupplier.getDefaultFigure();
+        }
+
+        for (Figure figure : array) {
+            figure.drawFigure();
+        }
+    }
 }

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

@@ -0,0 +1,26 @@
+package core.basesyntax;
+
+public class IsoscelesTrapezoid extends Figure {
+    private double base1;
+    private double base2;
+    private double height;
+
+    public IsoscelesTrapezoid(String color, double base1, double base2, double height) {
+        super(color);
+        this.base1 = base1;
+        this.base2 = base2;
+        this.height = height;
+    }
+
+    public double getS() {
+        return ((this.base1 + this.base2) / 2) * this.height;
+    }
+
+    @Override
+    public void drawFigure() {
+        System.out.println("Рівнобічна трапеція { основа1 = " + this.base1
+                            + ", основа2 = " + this.base2
+                            + ", висота = " + this.height + ", площа = " + getS()
+                            + "колір - " + getColor() + " }");
+    }
+}

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

@@ -0,0 +1,23 @@
+package core.basesyntax;
+
+public class Rectangle extends Figure {
+    private double side1;
+    private double side2;
+
+    public Rectangle(String color, double side1, double side2) {
+        super(color);
+        this.side1 = side1;
+        this.side2 = side2;
+    }
+
+    @Override
+    public double getS() {
+        return side1 * side2;
+    }
+
+    @Override
+    public void drawFigure() {
+        System.out.println("Прямокутник { сторона1 = " + this.side1 + ", сторона2 = " + this.side2
+                            + ", площа = " + getS() + ", колір - " + getColor() + " }");
+    }
+}

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

@@ -0,0 +1,26 @@
+package core.basesyntax;
+
+public class RightTriangle extends Figure {
+    private double leg1;
+    private double leg2;
+    private double hypotenusa;
+
+    public RightTriangle(String color, double leg1, double leg2, double hypotenusa) {
+        super(color);
+        this.leg1 = leg1;
+        this.leg2 = leg2;
+        this.hypotenusa = hypotenusa;
+    }
+
+    public double getS() {
+        return (this.leg1 * this.leg2) / 2;
+    }
+
+    @Override
+    public void drawFigure() {
+        System.out.println("Прямокутний трикутник { катет1 = " + this.leg1 + ", катет2 = "
+                            + this.leg2 + ", гіпотенуза = " + this.hypotenusa
+                            + ", площа = " + getS()
+                            + ", колір - " + getColor() + " }");
+    }
+}

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

@@ -0,0 +1,21 @@
+package core.basesyntax;
+
+public class Square extends Figure {
+    private double side;
+
+    public Square(String color, double side) {
+        super(color);
+        this.side = side;
+    }
+
+    @Override
+    public double getS() {
+        return Math.pow(this.side, 2);
+    }
+
+    @Override
+    public void drawFigure() {
+        System.out.println("Квадрат { сторона = " + this.side + ", площа = "
+                            + getS() + ", колір - " + getColor() + " }");
+    }
+}