Java tutorial
import java.io.FileInputStream; import java.io.FileOutputStream; import java.nio.ByteBuffer; import java.nio.channels.FileChannel; import java.nio.charset.Charset; public class MainClass { private static final int BSIZE = 1024; public static void main(String[] args) throws Exception { FileChannel fc = new FileOutputStream("data2.txt").getChannel(); fc.write(ByteBuffer.wrap("Some text".getBytes("UTF-16BE"))); fc.close(); ByteBuffer buff = ByteBuffer.allocate(BSIZE); // Now try reading again: fc = new FileInputStream("data2.txt").getChannel(); buff.clear(); fc.read(buff); buff.flip(); System.out.println(buff.asCharBuffer()); } }