Java: setting file encoding

Input: UTF8 file (cyrillic)

File file = new File("file_utf8");
StringBuffer buffer = new StringBuffer();
try
{
FileInputStream fin=null;
try {
fin = new FileInputStream(file);
} catch (FileNotFoundException e) {
e.printStackTrace();
}
InputStreamReader isr = new InputStreamReader(fin,"UTF8");

BufferedReader in= new BufferedReader(isr);
int ch;
while ((ch = in.read()) > -1) {
buffer.append((char)ch);
}
isr.close();
fin.close();
String[] lines=buffer.toString().split("\n");
for (String line : lines)
System.out.println(line);
}
catch (IOException e) {
e.printStackTrace();
}