completed tasks

src/main/java/ball/characteristics/Ball.java

@@ -0,0 +1,30 @@
+package ball.characteristics;
+
+public class Ball {
+    private final int number;
+    private final String color;
+
+    public Ball(int number, String color) {
+        this.color = color;
+        this.number = number;
+    }
+
+    public Ball(Ball ball) {
+        this.color = ball.color;
+        this.number = ball.number;
+    }
+
+    public String getColor() {
+        return color;
+    }
+
+    public int getNumber() {
+        return number;
+    }
+
+    @Override
+    public String toString() {
+        return "The color of the ball is " + getColor()
+                + " and the number of the ball is  " + getNumber();
+    }
+}

src/main/java/ball/characteristics/Color.java

@@ -0,0 +1,12 @@
+package ball.characteristics;
+
+public enum Color {
+    RED,
+    GREEN,
+    PINK,
+    IVORY,
+    BLUE,
+    PURPLE,
+    YELLOW,
+    ORANGE
+}

src/main/java/core/basesyntax/Application.java

@@ -1,7 +1,14 @@
 package core.basesyntax;
 
+import ball.characteristics.Ball;
+
 public class Application {
     public static void main(String[] args) {
         // create three balls using class Lottery and print information about them in console
+        for (int i = 0; i < 3; i++) {
+            Lottery lottery = new Lottery();
+            Ball ball = new Ball(lottery.getRandomBall());
+            System.out.println(ball);
+        }
     }
 }

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

@@ -1,7 +1,13 @@
 package core.basesyntax;
 
+import ball.characteristics.Color;
+import java.util.Random;
+
 public class ColorSupplier {
+    private static final Random random = new Random();
+
     public String getRandomColor() {
-        return null;
+        int index = random.nextInt(Color.values().length);
+        return Color.values()[index].name();
     }
 }

src/main/java/core/basesyntax/Lottery.java

@@ -0,0 +1,16 @@
+package core.basesyntax;
+
+import ball.characteristics.Ball;
+import java.util.Random;
+
+public class Lottery {
+    static final int BORDER = 100;
+    private final Random random = new Random();
+    private final ColorSupplier colorSupplier = new ColorSupplier();
+
+    public Ball getRandomBall() {
+        int randomNum = random.nextInt(BORDER);
+        String color = colorSupplier.getRandomColor();
+        return new Ball(randomNum, color);
+    }
+}