escaping Java string to utf-8

Question

I'm looking for java tool for converting regular String to utf-8 string.

e.g.

input: special-数据应用-text

output: special-%u6570%u636E%u5E94%u7528-text

(note the preceding "%u")

Answer 1

Try this

String s= URLEncoder.encode(str, "UTF-8").replaceAll("%(..)%(..)", "%u$1$2");