MainClass.java Source code

Introduction

Here is the source code for MainClass.java

Source

import java.io.IOException;
import java.io.RandomAccessFile;
import java.nio.ByteBuffer;
import java.nio.channels.FileChannel;

public class MainClass {
    public static void main(String args[]) {
        RandomAccessFile randomAccessFile;
        FileChannel fileChannel;
        ByteBuffer byteBuffer;

        try {
            randomAccessFile = new RandomAccessFile("test.txt", "rw");
            fileChannel = randomAccessFile.getChannel();
            byteBuffer = fileChannel.map(FileChannel.MapMode.READ_WRITE, 0, 26);
            for (int i = 0; i < 10; i++)
                byteBuffer.put((byte) ('A' + i));
            fileChannel.close();
            randomAccessFile.close();
        } catch (IOException exc) {
            System.out.println(exc);
            System.exit(1);
        }
    }
}