implemented lottery class with colorSupplier and Ball class

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

@@ -2,6 +2,14 @@
 
 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 ball1 = lottery.getRandomBall();
+        Ball ball2 = lottery.getRandomBall();
+        Ball ball3 = lottery.getRandomBall();
+
+        System.out.println(ball1.toString());
+        System.out.println(ball2.toString());
+        System.out.println(ball3.toString());
     }
 }

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

@@ -0,0 +1,32 @@
+package core.basesyntax;
+
+public class Ball {
+    private Color color;
+    private Integer number;
+
+    public Ball(Color color, Integer number) {
+        this.color = color;
+        this.number = number;
+    }
+
+    @Override
+    public String toString() {
+        return this.color.toString() + this.number.toString();
+    }
+
+    public Color getColor() {
+        return color;
+    }
+
+    public void setColor(Color color) {
+        this.color = color;
+    }
+
+    public Integer getNumber() {
+        return number;
+    }
+
+    public void setNumber(Integer number) {
+        this.number = number;
+    }
+}

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

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

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 Color getRandomColor() {
+        Random random = new Random();
+        int index = random.nextInt(Color.values().length);
+
+        return Color.values()[index];
     }
 }

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

@@ -0,0 +1,14 @@
+package core.basesyntax;
+
+import java.util.Random;
+
+public class Lottery {
+    public Ball getRandomBall() {
+        ColorSupplier colorSupplier = new ColorSupplier();
+
+        Color color = colorSupplier.getRandomColor();
+        Integer number = new Random().nextInt(101);
+
+        return new Ball(color, number);
+    }
+}