提供了用于转换数值和字母数据的类。

Classes are available to convert both numeric and character data.

youdao

这将实现在数据字段中创建每个字母向量的策略。

This will fulfill our strategy for creating a vector on each letter in the data field.

youdao

大部分文件使用UTF - 8，但是，XML设计用来集成各种语言中的数据，包括那些不使用英语字母的语言。

Most files use UTF-8, but XML is designed to incorporate data in virtually any language, including those that don't use the English language alphabet.

youdao

A If you want to convert a number like 65 to the letter A, you just have tell the computer "cast that int to a char."

如果你要把一个像65这样的数字转换为字母，你只需要告诉计算机“把那个int型数据转换成char型处理“

哈佛公开课 - 计算机科学课程节选