Java Equivalent code for python's Base64 conversion -

i using python's base64.b64encode() function encode file(txt,mp3 etc) need java equivalent function same.currently using function base64.getencoder().encodetostring(content.getbytes()); encode file in java.the result same in case of txt files(in both java , python) differs in case of mp3 files.

is there encoding method in java obtain same result?if not, other encoding schemes obtain same result in both languages?