OOP Lottery Practice

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

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

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

@@ -0,0 +1,19 @@
+package core.basesyntax;
+
+public class Ball {
+    private final String color;
+    private final 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 {
+    private static final Random RANDOM = new Random();
+
     public String getRandomColor() {
-        return null;
+        return Colors.values()[RANDOM.nextInt(Colors.values().length)].name();
     }
 }

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

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

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

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