Added necessary Classes/Test passed

src/main/java/core/basesyntax/CalculatableArea.java

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

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

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+package core.basesyntax;
+
+public class Circle extends Figure {
+    private int radius;
+
+    public Circle(int radius, Color color) {
+        this.radius = radius;
+        super.color = color;
+    }
+
+    @Override
+    public double getArea() {
+        return Math.round(Math.PI * radius * radius);
+    }
+
+    @Override
+    public String getFigureInfo() {
+        return "Figure: Circle, area: " + getArea() + " sq. units, radius: "
+                + radius + " units, color: " + super.color;
+    }
+    /* Wzór na pole koła pi*r*r */
+}

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

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

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

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

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

@@ -0,0 +1,14 @@
+package core.basesyntax;
+
+public abstract class Figure implements FigureInfo, CalculatableArea {
+    private static final ColorSupplier colorSupplier = new ColorSupplier();
+    protected Color color;
+
+    public Figure() {
+        this.color = Color.valueOf(colorSupplier.getRandomColor());
+    }
+
+    public Figure(Color color) {
+        this.color = color;
+    }
+}

src/main/java/core/basesyntax/FigureInfo.java

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+package core.basesyntax;
+
+public interface FigureInfo {
+    String getFigureInfo();
+}

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

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+package core.basesyntax;
+
+import static core.basesyntax.ColorSupplier.RANDOM;
+
+public class FigureSupplier {
+    private static final int FIGURE_COUNT = 5;
+    private static final int MIN_LENGTH = 2;
+    private static final int MAX_LENGTH = 10;
+
+    public Figure getRandomFigure() {
+        int ran = RANDOM.nextInt(FIGURE_COUNT);
+        int a = RANDOM.nextInt(MAX_LENGTH - MIN_LENGTH + 1) + MIN_LENGTH;
+        int b = RANDOM.nextInt(MAX_LENGTH - MIN_LENGTH + 1) + MIN_LENGTH;
+        int c = RANDOM.nextInt(MAX_LENGTH - MIN_LENGTH + 1) + MIN_LENGTH;
+        switch (ran) {
+            case (0):
+                return new Square(a);
+            case (1):
+                return new Rectangle(a, b);
+            case (2):
+                return new RightTriangle(a, b);
+            case (3):
+                return new Circle(a, Color.WHITE);
+            default:
+                return new IsoscelesTrapezoid(a, b, c);
+        }
+
+    }
+
+    public Figure getDefaultFigure() {
+        return new Circle(10, Color.WHITE);
+    }
+}

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

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+package core.basesyntax;
+
+public class IsoscelesTrapezoid extends Figure {
+    private int firstBase;
+    private int secondBase;
+    private int heigh;
+
+    public IsoscelesTrapezoid(int firstBase, int secondBase, int heigh) {
+        this.firstBase = firstBase;
+        this.secondBase = secondBase;
+        this.heigh = heigh;
+    }
+
+    public IsoscelesTrapezoid(int firstBase, int secondBase, int heigh, Color color) {
+        this.firstBase = firstBase;
+        this.secondBase = secondBase;
+        this.heigh = heigh;
+        super.color = color;
+    }
+
+    @Override
+    public double getArea() {
+        return (firstBase * secondBase) * heigh / 2;
+    }
+
+    @Override
+    public String getFigureInfo() {
+        return "Figure: IsoscelesTrapezoid, area: " + getArea() + " sq. units, firstBase: "
+                + firstBase + " secondBase "
+                + secondBase + " heigh " + heigh + " units, color: " + super.color;
+    }
+    /* Wzór na pole trapezu równoramiennego (a+b)*h /2 */
+}

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

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+package core.basesyntax;
+
+public class Main {
+    public static void main(String[] args) {
+        FigureSupplier figureIndex = new FigureSupplier();
+        Figure[] figures = new Figure[6];
+        for (int i = 0; i < 6; i++) {
+            figures[i] = figureIndex.getRandomFigure();
+
+        }
+        for (int i = 0; i < 6; i++) {
+            System.out.println(figures[i].getFigureInfo());
+        }
+    }
+}

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

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+package core.basesyntax;
+
+public class Rectangle extends Figure {
+    private int base;
+    private int side;
+
+    public Rectangle(int base, int side) {
+        this.base = base;
+        this.side = side;
+    }
+
+    public Rectangle(int base, int side, Color color) {
+        this.base = base;
+        this.side = side;
+        super.color = color;
+    }
+
+    @Override
+    public double getArea() {
+        return base * side;
+    }
+
+    @Override
+    public String getFigureInfo() {
+        return "Figure: Rectangle, area: " + getArea() + " sq. units, base: " + base
+                + " side " + side + " units, color: " + super.color;
+    }
+    /* Wzór na pole Prostokąta a*b */
+}

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

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+package core.basesyntax;
+
+public class RightTriangle extends Figure {
+    private int base;
+    private int heigh;
+
+    public RightTriangle(int base, int heigh) {
+        this.base = base;
+        this.heigh = heigh;
+    }
+
+    public RightTriangle(int base, int heigh, Color color) {
+        this.base = base;
+        this.heigh = heigh;
+        super.color = color;
+    }
+
+    @Override
+    public double getArea() {
+        return (base * heigh) / 2;
+    }
+
+    @Override
+    public String getFigureInfo() {
+        return "Figure: RightTriangle, area: " + getArea() + " sq. units, base: "
+                + base + " heigh " + heigh + " units, color: " + super.color;
+    }
+    /* Wzór na pole trójkąta prostokątnego (a*h)/2 */
+}

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

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+package core.basesyntax;
+
+public class Square extends Figure {
+    private int side;
+
+    public Square(int side) {
+        this.side = side;
+    }
+
+    public Square(int side, Color color) {
+        this.side = side;
+        super.color = color;
+    }
+
+    @Override
+    public double getArea() {
+        return side * side;
+    }
+
+    @Override
+    public String getFigureInfo() {
+        return "Figure: Square, area: " + getArea() + " sq. units, side: "
+                + side + " units, color: " + super.color;
+    }
+    /* Wzór na pole kwadratu a*a */
+
+}