exceed the maximum length. Non-ASCII Characters Non-ASCII characters should be rare, and must use UTF-8 formatting. You shouldn’t hard-code user-facing text in source, even English, so use of non- ASCII (which does not need to be localized) might contain non-ASCII strings. In such cases, you should use UTF-8, since that is an encoding understood by most tools able to handle more than just ASCII. Hex encoding sequences is encoded as UTF-8. Do not use it for strings containing non-ASCII characters encoded as UTF-8, because that will produce incorrect output if the compiler does not interpret the source file as

class it contains (of which there is exactly one), plus the .java extension. 2.2 File encoding: UTF-8 Source files are encoded in UTF-8. 2.3 Special characters 2.3.1 Whitespace characters Aside from