Example usage for java.nio.channels AsynchronousFileChannel write

Introduction

In this page you can find the example usage for java.nio.channels AsynchronousFileChannel write.

Prototype

public abstract Future<Integer> write(ByteBuffer src, long position);

Source Link

Document

Writes a sequence of bytes to this channel from the given buffer, starting at the given file position.

Usage

From source file:Test.java

public static void main(String[] args) throws Exception {
    AsynchronousFileChannel fileChannel = AsynchronousFileChannel.open(Paths.get("/asynchronous.txt"),
            StandardOpenOption.READ, StandardOpenOption.WRITE, StandardOpenOption.CREATE);

    Future<Integer> writeFuture1 = fileChannel.write(ByteBuffer.wrap("Sample".getBytes()), 0);
    Future<Integer> writeFuture2 = fileChannel.write(ByteBuffer.wrap("Box".getBytes()), 0);

    int result;//w  ww .  j av  a2 s  .  c  om
    result = writeFuture1.get();
    System.out.println("Sample write completed with " + result + " bytes written");
    result = writeFuture2.get();
    System.out.println("Box write completed with " + result + " bytes written");

}

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