Java char simple tool class charutil sharing

The first article of the blog, about the simple operation of character char,

Char, one of the basic data types of Java, stores a two byte int integer at the bottom. The default display is Unicode, the character at the index position of the int integer. The details will not be explained in detail.

Version 1: the following can query whether numbers, letters, upper and lower case letters, and obtain the int representation of characters.

Although simple, it also represents the ability to enhance.

The above simple tool class charutil sharing of Java char is all the content shared by Xiaobian. I hope it can give you a reference and support more programming tips.