passed tests ready for push

src/main/java/core/basesyntax/DiscountStrategy.java

@@ -0,0 +1,22 @@
+package core.basesyntax;
+
+import core.basesyntax.strategy.DiscountService;
+import core.basesyntax.strategy.impl.BirthdayDiscountService;
+import core.basesyntax.strategy.impl.BlackFridayDiscountService;
+import core.basesyntax.strategy.impl.DefaultDiscountService;
+import core.basesyntax.strategy.impl.NewYearDiscountService;
+
+public class DiscountStrategy {
+    public DiscountService getDiscountServiceBySpecialEvent(String specialEvent) {
+        switch (specialEvent) {
+            case "Birthday":
+                return new BirthdayDiscountService();
+            case "New Year":
+                return new NewYearDiscountService();
+            case "Black Friday":
+                return new BlackFridayDiscountService();
+            default:
+                return new DefaultDiscountService();
+        }
+    }
+}

src/main/java/core/basesyntax/HelloWorld.java

@@ -1,8 +1,15 @@
 package core.basesyntax;
 
+import core.basesyntax.strategy.DiscountService;
+
 /**
  * Feel free to remove this class and create your own.
  */
 public class HelloWorld {
-
+    public static void main(String[] args) {
+        DiscountStrategy strategy = new DiscountStrategy();
+        DiscountService discountService = strategy.getDiscountServiceBySpecialEvent("Black Friday");
+        double discount = discountService.getDiscount();
+        System.out.println(discount);
+    }
 }

src/main/java/core/basesyntax/strategy/DiscountService.java

@@ -0,0 +1,5 @@
+package core.basesyntax.strategy;
+
+public interface DiscountService {
+    double getDiscount();
+}

src/main/java/core/basesyntax/strategy/impl/BirthdayDiscountService.java

@@ -0,0 +1,10 @@
+package core.basesyntax.strategy.impl;
+
+import core.basesyntax.strategy.DiscountService;
+
+public class BirthdayDiscountService implements DiscountService {
+    @Override
+    public double getDiscount() {
+        return 33;
+    }
+}

src/main/java/core/basesyntax/strategy/impl/BlackFridayDiscountService.java

@@ -0,0 +1,10 @@
+package core.basesyntax.strategy.impl;
+
+import core.basesyntax.strategy.DiscountService;
+
+public class BlackFridayDiscountService implements DiscountService {
+    @Override
+    public double getDiscount() {
+        return 45;
+    }
+}

src/main/java/core/basesyntax/strategy/impl/DefaultDiscountService.java

@@ -0,0 +1,10 @@
+package core.basesyntax.strategy.impl;
+
+import core.basesyntax.strategy.DiscountService;
+
+public class DefaultDiscountService implements DiscountService {
+    @Override
+    public double getDiscount() {
+        return 0;
+    }
+}

src/main/java/core/basesyntax/strategy/impl/NewYearDiscountService.java

@@ -0,0 +1,10 @@
+package core.basesyntax.strategy.impl;
+
+import core.basesyntax.strategy.DiscountService;
+
+public class NewYearDiscountService implements DiscountService {
+    @Override
+    public double getDiscount() {
+        return 20;
+    }
+}