Solution implementation

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

@@ -1,7 +1,12 @@
 package core.basesyntax;
 
 public class Application {
+    public static final int ballAmount = 3;
+
     public static void main(String[] args) {
-        // create three balls using class Lottery and print information about them in console
+
+        for (int i = 0; i < ballAmount; i++) {
+            System.out.println(new Lottery().getRandomBall());
+        }
     }
 }

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

@@ -0,0 +1,22 @@
+package core.basesyntax;
+
+public class Ball {
+    private String color;
+    private int number;
+
+    public Ball(String color, int number) {
+        this.color = color;
+        this.number = number;
+    }
+
+    @Override
+    public String toString() {
+        return "Ball{"
+                + "color='"
+                + color
+                + '\''
+                + ", number="
+                + number
+                + '}';
+    }
+}

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

@@ -1,7 +1,11 @@
 package core.basesyntax;
 
+import java.util.Random;
+
 public class ColorSupplier {
-    public String getRandomColor() {
-        return null;
+    public static String getRandomColor() {
+        ColorsEnum [] colors = ColorsEnum.values();
+        int index = new Random().nextInt(colors.length);
+        return colors[index].toString();
     }
 }

src/main/java/core/basesyntax/ColorsEnum.java

@@ -0,0 +1,9 @@
+package core.basesyntax;
+
+public enum ColorsEnum {
+    RED,
+    BLUE,
+    GREEN,
+    YELLOW,
+    VIOLET,
+}

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

@@ -0,0 +1,13 @@
+package core.basesyntax;
+
+import java.util.Random;
+
+public class Lottery {
+    public static final int NumberBound = 100;
+
+    public Ball getRandomBall() {
+        String randomColor = ColorSupplier.getRandomColor();
+        int randomNumber = new Random().nextInt(NumberBound);
+        return new Ball(randomColor, randomNumber);
+    }
+}