What Is Unicode? And Why Do I Need To Use Unicode in JAVA ?
#ascii #unicode
#unicode #ascii #whatisUnicode #whydoineedtouseunicode
Does Java use ASCII or Unicode?
Java actually uses Unicode, which includes ASCII and other characters from languages around the world.
Unicode System
Unicode is a universal international standard character encoding that is capable of representing most of the world's written languages.The Unicode standard uses hexadecimal to express a character.
Why java uses Unicode System?
Before Unicode, there were many language standards:
ASCII (American Standard Code for Information Interchange) for the United States.
ISO 8859-1 for Western European Language.
KOI-8 for Russian.
GB18030 and BIG-5 for chinese, and so on.
Problem
This caused two problems:
A particular code value corresponds to different letters in the various language standards.
The encodings for languages with large character sets have variable length. Some common characters are encoded as single bytes, other require two or more byte.
Solution
To solve these problems, a new language standard was developed i.e. Unicode System.
In unicode, character holds 2 byte, so java also uses 2 byte for characters.
lowest value:\u0000
highest value:\uFFFF
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