Add EnumDemoWithUserInput

Author: darbyluv2code

section-02-conditionals/src/main/java/EnumDemoWithUserInput.java

@@ -0,0 +1,38 @@
+import java.util.Scanner;
+
+public class EnumDemoWithUserInput {
+
+    public static void main(String[] args) {
+
+        ComputerType myComputerType = null;
+
+        Scanner scanner = new Scanner(System.in);
+
+        // prompt the user
+        System.out.print("Enter computer type (SMARTPHONE, TABLET, LAPTOP, DESKTOP): ");
+        String userInput = scanner.nextLine().trim().toUpperCase();
+
+        // convert string to enum
+        try {
+            myComputerType = ComputerType.valueOf(userInput);
+            System.out.println("You selected: " + myComputerType);
+        }
+        catch (IllegalArgumentException exc) {
+            System.out.println("Invalid computer type entered: " + userInput);
+            System.exit(1);
+        }
+        finally {
+            scanner.close();
+        }
+
+        String description = switch (myComputerType) {
+            case ComputerType.SMARTPHONE -> "Smart phones offer computing power in your hand.";
+            case ComputerType.TABLET -> "Tablets are lightweight for browing and light tasks.";
+            case ComputerType.LAPTOP -> "Laptops are portable for work on the go.";
+            case ComputerType.DESKTOP -> "Desktops excel in gaming and work related tasks.";
+            default -> "Unknown computer type.";
+        };
+
+        System.out.println(description);
+    }
+}