task has been completed

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

@@ -2,6 +2,8 @@
 
 public class Application {
     public static void main(String[] args) {
-        // create three balls using class Lottery and print information about them in console
+        System.out.println(Lottery.getRandomBall());
+        System.out.println(Lottery.getRandomBall());
+        System.out.println(Lottery.getRandomBall());
     }
 }

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

@@ -0,0 +1,19 @@
+package core.basesyntax;
+
+public class Ball {
+    private int number;
+    private Color color;
+
+    public Ball(int number, Color color) {
+        this.number = number;
+        this.color = color;
+    }
+
+    @Override
+    public String toString() {
+        return "Ball{"
+                + "number=" + number
+                + ", color=" + color
+                + '}';
+    }
+}

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

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

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

@@ -1,7 +1,9 @@
 package core.basesyntax;
 
+import java.util.Random;
+
 public class ColorSupplier {
-    public String getRandomColor() {
-        return null;
+    public static Color getRandomColor() {
+        return Color.values()[new Random().nextInt(6)];
     }
 }

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

@@ -0,0 +1,9 @@
+package core.basesyntax;
+
+import java.util.Random;
+
+public class Lottery {
+    public static Ball getRandomBall() {
+        return new Ball(new Random().nextInt(101), ColorSupplier.getRandomColor());
+    }
+}