java source code to utf-8 code example

Example 1: javac encoding utf-8

javac -encoding utf8 Test.java

Example 2: encode file to utf-8 in java

String charset = "ISO-8859-1"; // or what corresponds
  BufferedReader in = new BufferedReader( 
      new InputStreamReader (new FileInputStream(file), charset));
  String line;
  while( (line = in.readLine()) != null) { 
    ....
  }