add CLI for section 3

2 files changed, 13 insertions, 0 deletions

diff --git a/src/App.java b/src/App.java
index 6170187..3469c70 100644
--- a/src/App.java
+++ b/src/App.java
@@ -20,6 +20,9 @@ public class App {
         case 2:
           Q2.RockPaperScissorsLizardSpock.main(args);
           break;
+        case 3:
+          Q3.CreditCard.main(args);
+          break;
         default:
           System.out.println("Bye");
           System.exit(0);
diff --git a/src/Q3/CreditCard.java b/src/Q3/CreditCard.java
index 117a2f5..b922d37 100644
--- a/src/Q3/CreditCard.java
+++ b/src/Q3/CreditCard.java
@@ -113,4 +113,14 @@ public class CreditCard {
   private int digitFrom(String input, int index) {
     return Character.getNumericValue(input.charAt(index));
   }
+
+  public static void main(String[] args) {
+    Scanner in = new Scanner(System.in);
+    System.out.println("Enter credit card #:");
+    CreditCard creditCard = new CreditCard(in.next());
+    if (creditCard.isValid())
+      System.out.println(
+          String.format("%s is offerred by %s", creditCard.getCcNumber(), creditCard.getCompany()));
+    else System.out.println(String.format("%s in invalid", creditCard.getCcNumber()));
+  }
 }