Main.java Source code

Introduction

Here is the source code for Main.java

Source

import java.io.File;
import java.io.FileOutputStream;
import java.nio.ByteBuffer;
import java.nio.channels.FileChannel;

public class Main {
    public static void main(String[] args) throws Exception {
        String phrase = new String("www.java2s.com\n");

        File aFile = new File("test.txt");
        FileOutputStream outputFile = null;
        outputFile = new FileOutputStream(aFile, true);
        System.out.println("File stream created successfully.");

        FileChannel outChannel = outputFile.getChannel();

        ByteBuffer buf = ByteBuffer.allocate(1024);
        System.out.println("New buffer:           position = " + buf.position() + "\tLimit = " + buf.limit()
                + "\tcapacity = " + buf.capacity());
        // Load the data into the buffer
        for (char ch : phrase.toCharArray()) {
            buf.putChar(ch);
        }
        System.out.println("Buffer after loading: position = " + buf.position() + "\tLimit = " + buf.limit()
                + "\tcapacity = " + buf.capacity());
        buf.flip();
        System.out.println("Buffer after flip:    position = " + buf.position() + "\tLimit = " + buf.limit()
                + "\tcapacity = " + buf.capacity());

        outChannel.write(buf);
        outputFile.close();
        System.out.println("Buffer contents written to file.");
    }
}