IO通道的使用

/**
 *  
 *  @author devin
 *  @date 2021-01-07 15:52
 *  @version 1.0.2
*/
public class ChanTest {

    private static FileOutputStream fileOutputStream;
    private static FileChannel fileChannel;

    public static <buffer, buffer1, buffer2> void main(String[] args) throws IOException, InterruptedException {
        fileOutputStream = new FileOutputStream("D://out.txt");
        fileChannel = fileOutputStream.getChannel();

        for(int i = 0;i < 10;i++){
            Thread thread1 = new Thread(){

                @Override
                public void run() {
                    ByteBuffer buffer1 = ByteBuffer.wrap("123\r\n".getBytes());
                    try {
                        fileChannel.write(buffer1);
                    } catch (IOException e) {
                        e.printStackTrace();
                    }
                }
            };

           Thread thread2 = new Thread(){

               @Override
               public void run() {
                   ByteBuffer buffer2 = ByteBuffer.wrap("654\r\n".getBytes());
                   try {
                       fileChannel.write(buffer2);
                   } catch (IOException e) {
                       e.printStackTrace();
                   }
               }


           };
            thread1.start();
            thread2.start();


        }
        Thread.sleep(3000);
        fileChannel.close();
        fileOutputStream.close();
    }
}