add lottery

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

@@ -3,5 +3,9 @@
 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 lotteryBall = lottery.getRandomBall();
+        System.out.println(lotteryBall);
     }
 }

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

@@ -0,0 +1,40 @@
+package core.basesyntax;
+
+import java.util.Random;
+
+public class Ball {
+    private String color;
+    private int number;
+
+    public Ball(String randomColor, Random random) {
+    }
+
+    public Ball(String color, int number) {
+        this.color = color;
+        this.number = number;
+    }
+
+    public String getColor() {
+        return color;
+    }
+
+    public void setColor(String color) {
+        this.color = color;
+    }
+
+    public int getNumber() {
+        return number;
+    }
+
+    public void setNumber(int number) {
+        this.number = number;
+    }
+
+    @Override
+    public String toString() {
+        return "Ball{"
+                + "color='" + color + '\''
+                + ", number=" + number
+                + '}';
+    }
+}

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

@@ -0,0 +1,8 @@
+package core.basesyntax;
+
+public enum Color {
+    RED,
+    BLUE,
+    YELLOW,
+    GREEN
+}

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;
+        int index = new Random().nextInt(Color.values().length);
+        Color color = Color.values()[index];
+        return color.toString();
     }
 }

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

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