How can I convert an international (e.g. Russian) String to \\u numbers (unicode numbers) e.g. \\u041e\\u041a for OK ?
\\u
\\u041e\\u041a
OK
Apache commons StringEscapeUtils.escapeEcmaScript(String) returns a string with unicode characters escaped using the \u notation.
StringEscapeUtils.escapeEcmaScript(String)
\u
"Art of Beer