November 2004
Intermediate to advanced
1024 pages
27h 50m
English
Content preview from Core Java™ 2 Volume II - Advanced Features, Seventh Edition
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Text Files and Character Sets
As you know, the Java programming language itself is fully Unicode based. However, operating systems typically have their own character encoding, such as ISO-8859 -1 (an 8 -bit code sometimes called the “ANSI” code) in the United States, or Big5 in Taiwan.
When you save data to a text file, you should respect the local character encoding so that the users of your program can open the text file with their other applications. Specify the character encoding in the FileWriter constructor:
out = new FileWriter(filename, "ISO-8859-1");
You can find a complete list of the supported encodings in Volume 1, Chapter 12.
Unfortunately, there is currently no connection between locales and character encodings. For example, if ...
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