docs: add README + ci: add tests

2026-02-24 15:40:32 +03:00
parent bca8a08469
commit 81a0017d24
24 changed files with 461 additions and 516 deletions
--- a/src/main/java/com/example/bankcards/util/CardEncryptionUtil.java
+++ b/src/main/java/com/example/bankcards/util/CardEncryptionUtil.java
@@ -49,8 +49,7 @@ public class CardEncryptionUtil {
        if (cardNumber == null || cardNumber.length() < 4) {
            return "****";
        }
-        return (
-            "**** **** **** " + cardNumber.substring(cardNumber.length() - 4)
-        );
+        String lastFour = cardNumber.substring(cardNumber.length() - 4);
+        return "**** **** **** " + lastFour;
    }
 }