用SeekableByteChannel写入文件

/** from 
nowjava.com**/

import java.io.IOException;

import java.nio.ByteBuffer;

import java.nio.channels.SeekableByteChannel;

import java.nio.file.Files;

import java.nio.file.Path;

import java.nio.file.Paths;

import java.nio.file.StandardOpenOption;

import java.util.EnumSet;


public class Main {

  public static void main(String[] args) {

    Path path = Paths.get("C:/folder1/folder0/folder8", "story.txt");

    try (SeekableByteChannel seekableByteChannel = Files.newByteChannel(path,

        EnumSet.of(StandardOpenOption.WRITE,

            StandardOpenOption.TRUNCATE_EXISTING))) {

      ByteBuffer buffer = ByteBuffer.wrap("this is a test".getBytes());

      int write = seekableByteChannel.write(buffer);
      /* from 
      n  o  w  j  a  v  a