UTF，是UnicodeTransformation Format的缩写，意为Unicode转换格式。 UTF-8是UNICODE的一种变长，由Ken Thompson于1992年创建。 现在已经标准化为RFC 3629。 UTF-8用1到6个编码UNICODE。

The current state of ‘ill-defined encoding’ creates unnecessary problems when working with the JDK codebase, an OpenJDK proposal says. Source code for the Java Development Kit (JDK) would be redone in ...