JAVA NiO's character Set

Understand the following concepts:

Alphabet Set (Character set), Chinese characters, special symbols, letters these are character sets;

Character encoding set (Coded character set) that encodes character set characters using numbers, such as ASCII, which defines a set of character encodings; Unicode

The character encoding Framework (character-encoding Schema), which describes how to convert a set of character encodings to bytes (byte), so the framework core is defined as a set of "mappings" (mapping).

Character Set (Charset), which fused the character encoding and character encoding framework, did the correspondence between them. Names are also named according to the character encoding set, such as Utf-8,utf16 and Us-ascii.

JAVA NiO's character Set