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I would like to know what is the value of the Java Virtual Machine (JVM) property to set my file encoding to UTF-8.
Do I put -Dfile.encoding=UTF8 or -Dfile.encoding=UTF-8?
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The native character encoding of the Java programming language is UTF-16. A charset in the Java platform therefore defines a mapping between sequences of sixteen-bit UTF-16 code units (that is, sequences of chars) and sequences of bytes.
UTF-8 is but a single encoding of that standard, there are many more. UTF-16 being the most widely used as it is the native encoding for Windows. So, if you need to support anything beyond the 128 characters of the ASCII set, my advice is to go with UTF-8.
UTF-8 has the ability to be as condensed as ASCII but can also contain any Unicode characters with some increase in the size of the file. UTF stands for Unicode Transformation Format. The '8' signifies that it allocates 8-bit blocks to denote a character.
There's no difference between ASCII and UTF-8 when storing digits. A tighter packing would be using 4 bits per digit (BCD). If you want to go below that, you need to take advantage of the fact that long sequences of 10-base values can be presented as 2-base (binary) values. Save this answer.
It will be:
UTF8 See here for the definitions.
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