Writing to a file using the SeekableByteChannel interface : SeekableByteChannel « JDK 7 « Java

1. Java
2. JDK 7
3. SeekableByteChannel

Writing to a file using the SeekableByteChannel interface

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;

public class Test {

  public static void main(String[] args) throws IOException {
    Path path = Paths.get("/users.txt");

    final String newLine = System.getProperty("line.separator");
    try (SeekableByteChannel sbc = Files.newByteChannel(path,
        StandardOpenOption.APPEND)) {
      String output = newLine + "asdf" + newLine;
      ByteBuffer buffer = ByteBuffer.wrap(output.getBytes());
      sbc.write(buffer);
    }

  }
}

 

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