Created program that return balls with a random color and random number

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

@@ -2,6 +2,13 @@
 
 public class Application {
     public static void main(String[] args) {
-        // create three balls using class Lottery and print information about them in console
+        Lottery lottery = new Lottery();
+        Ball ball1 = lottery.getRandomBall();
+        Ball ball2 = lottery.getRandomBall();
+        Ball ball3 = lottery.getRandomBall();
+        Ball[] balls = {ball1, ball2, ball3};
+        for (Ball ball: balls) {
+            System.out.println(ball);
+        }
     }
 }

src/main/java/core/basesyntax/Ball.java

@@ -0,0 +1,30 @@
+package core.basesyntax;
+
+public class Ball {
+    private String color;
+    private int number;
+
+    public int getNumber() {
+        return number;
+    }
+
+    public void setNumber(int number) {
+        this.number = number;
+    }
+
+    public String getColor() {
+        return color;
+    }
+
+    public void setColor(String color) {
+        this.color = color;
+    }
+
+    @Override
+    public String toString() {
+        return "Ball{"
+                + "color='" + color + '\''
+                + ", number=" + number
+                + '}';
+    }
+}

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

@@ -0,0 +1,10 @@
+package core.basesyntax;
+
+public enum Color {
+    BLUE,
+    YELLOW,
+    BLACK,
+    BROWN,
+    PINK,
+    GREEN
+}

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

@@ -1,7 +1,12 @@
 package core.basesyntax;
 
+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 String.valueOf(Color.values()[index]);
     }
 }

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

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