Hello Sasha. I have done my homework on enums.

.gitignore

@@ -0,0 +1,4 @@
+.idea
+README.md
+pointer-enum.iml
+./out

src/Main.java

@@ -0,0 +1,13 @@
+import java.util.Scanner;
+
+public class Main {
+    public static void main(String[] args) {
+        Scanner in = new Scanner(System.in);
+        System.out.println("Привет, выбери себе телефон из списка возможных: ");
+        PhoneShop.showPhoneList();
+        System.out.println("Просто напечатай нужный тебе телефон в форму ниже: ");
+        String writeYourPhone = in.nextLine();
+        PhoneShop.showPhone(PhoneShop.valueOf(writeYourPhone));
+
+    }
+}

src/PhoneShop.java

@@ -0,0 +1,51 @@
+import com.sun.tools.javac.comp.Resolve;
+
+public enum PhoneShop {
+    IPHONE4S("Iphone 4 s"),
+    IPHONE5("Iphone 5"),
+    IPHONE8PLUS("Iphone 8 Plus"),
+    LENOVOK4000("Lenovo K4000"),
+    SAMSUNGS9("Samsung s 9"),
+    MEIZUM3NOTE("Meizu m 3 NOTE");
+
+
+    private String phoneName;
+    private static PhoneShop[] phoneShops = PhoneShop.values();
+
+    PhoneShop(String phoneName) {
+        this.phoneName = phoneName;
+    }
+
+    @Override
+    public String toString() {
+        return phoneName;
+    }
+
+    static void showPhoneList() {
+        for (PhoneShop phoneNames : phoneShops) {
+            System.out.println(phoneNames.name());
+        }
+    }
+
+    static void showPhone(PhoneShop phoneName) {
+        switch (phoneName) {
+            case IPHONE4S:
+                System.out.println(phoneName.toString());
+                return;
+            case IPHONE5:
+                System.out.println(phoneName.toString());
+                return;
+            case IPHONE8PLUS:
+                System.out.println(phoneName.toString());
+                return;
+            case LENOVOK4000:
+                System.out.println(phoneName.toString());
+                return;
+            case SAMSUNGS9:
+                System.out.println(phoneName.toString());
+            case MEIZUM3NOTE:
+                System.out.println(phoneName.toString());
+                return;
+        }
+    }
+}