From 98592c539c36a989ea1226c2578a93abc95db1fe Mon Sep 17 00:00:00 2001
From: mo <mo.khan@gmail.com>
Date: Sun, 9 Jun 2019 19:30:24 -0600
Subject: validate length and number

---
 src/Q3/CreditCard.java | 8 +++++---
 1 file changed, 5 insertions(+), 3 deletions(-)

(limited to 'src/Q3/CreditCard.java')

diff --git a/src/Q3/CreditCard.java b/src/Q3/CreditCard.java
index 1146129..e6dc0f8 100644
--- a/src/Q3/CreditCard.java
+++ b/src/Q3/CreditCard.java
@@ -35,7 +35,7 @@ public class CreditCard {
   }
 
   public boolean isValid() {
-    return false;
+    return this.validateCompany() && this.validateLength();
   }
 
   public boolean isDivisibleBy10() {
@@ -50,11 +50,13 @@ public class CreditCard {
   }
 
   public boolean validateLength() {
-    return false;
+    return this.ccNumber.length() >= 13 && this.ccNumber.length() <= 16;
   }
 
   public boolean validateNumber() {
-    return false;
+    for (int i = 0; i < this.ccNumber.length(); i++)
+      if (!Character.isDigit(this.ccNumber.charAt(i))) return false;
+    return true;
   }
 
   public boolean validateSums() {
-- 
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