luhn算法java_Java信用卡验证– Java中的Luhn算法

luhn算法java

Recently I came to know that Credit Card numbers are not random and passes Luhn Algorithm test.

最近，我知道信用卡号不是随机的，并且通过了Luhn算法测试。

Java信用卡验证 (Java Credit Card Validation)

Any credit card number should pass following test:

任何信用卡号都应通过以下测试：

1. From the rightmost digit, we should double every second digit. If the double is greater than 9, then add the both digits so that final number is of si