Check if a Character Is Alphanumeric in Java
In Java, determining whether a character is alphanumeric (i.e., a letter or a digit) is a common programming task. In this article, we’ll walk you through the methods and techniques to accomplish this task in Java. By the end of this read, you’ll have a clear grasp of how to tell whether a character falls into the alphanumeric category. Check if a Character Is Alphanumeric Using Character.isLetterOrDigit() in Java The Character.