add getRandomColor and getRandomBall foo

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

@@ -3,5 +3,11 @@
 public class Application {
     public static void main(String[] args) {
         // create three balls using class Lottery and print information about them in console
+        Ball[] balls = new Ball[3];
+
+        for (int i = 0; i < balls.length;) {
+            balls[i] = new Lottery().getRandomBall();
+            System.out.println(balls[i]);
+        }
     }
 }

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

@@ -0,0 +1,27 @@
+package core.basesyntax;
+
+public class Ball {
+    private int number;
+    private String color;
+
+    @Override
+    public String toString() {
+        return this.color + " ball with number: " + this.number;
+    }
+
+    public void setColor(String color) {
+        this.color = color;
+    }
+
+    public void setNumber(int number) {
+        this.number = number;
+    }
+
+    public String getColor() {
+        return color;
+    }
+
+    public int getNumber() {
+        return number;
+    }
+}

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

@@ -1,7 +1,12 @@
 package core.basesyntax;
 
+import java.util.Random;
+
 public class ColorSupplier {
-    public String getRandomColor() {
-        return null;
+    public final String getRandomColor() {
+        int index = new Random().nextInt(Colors.values().length);
+        Colors color = Colors.values()[index];
+
+        return color.name();
     }
 }

src/main/java/core/basesyntax/Colors.java

@@ -0,0 +1,12 @@
+package core.basesyntax;
+
+public enum Colors {
+    WHITE,
+    BLACK,
+    RED,
+    YELLOW,
+    BLUE,
+    ORANGE,
+    GREEN,
+    BROWN
+}

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

@@ -0,0 +1,13 @@
+package core.basesyntax;
+
+import java.util.Random;
+
+public class Lottery {
+    public final Ball getRandomBall() {
+        Ball ball = new Ball();
+        ball.setNumber(new Random().nextInt(100));
+        ball.setColor(new ColorSupplier().getRandomColor());
+
+        return ball;
+    }
+}