MainClass.java Source code

Introduction

Here is the source code for MainClass.java

Source

import java.io.File;
import java.io.FileNotFoundException;
import java.io.FileOutputStream;
import java.io.IOException;
import java.nio.ByteBuffer;
import java.nio.CharBuffer;
import java.nio.channels.FileChannel;
import java.util.Formatter;

public class MainClass {
    public static void main(String[] args) {
        String[] phrases = { "A", "B 1", "C 1.3" };
        String dirname = "C:/test";
        String filename = "Phrases.txt";
        File dir = new File(dirname);
        File aFile = new File(dir, filename);
        FileOutputStream outputFile = null;
        try {
            outputFile = new FileOutputStream(aFile, true);
        } catch (FileNotFoundException e) {
            e.printStackTrace(System.err);
        }
        FileChannel outChannel = outputFile.getChannel();
        ByteBuffer buf = ByteBuffer.allocate(1024);
        System.out.println(buf.position());
        System.out.println(buf.limit());
        System.out.println(buf.capacity());
        CharBuffer charBuf = buf.asCharBuffer();
        System.out.println(charBuf.position());
        System.out.println(charBuf.limit());
        System.out.println(charBuf.capacity());
        Formatter formatter = new Formatter(charBuf);
        int number = 0;
        for (String phrase : phrases) {
            formatter.format("%n %s", ++number, phrase);
            System.out.println(charBuf.position());
            System.out.println(charBuf.limit());
            System.out.println(charBuf.capacity());
            charBuf.flip();
            System.out.println(charBuf.position());
            System.out.println(charBuf.limit());
            System.out.println(charBuf.length());
            buf.limit(2 * charBuf.length()); // Set byte buffer limit
            System.out.println(buf.position());
            System.out.println(buf.limit());
            System.out.println(buf.remaining());
            try {
                outChannel.write(buf);
                buf.clear();
                charBuf.clear();
            } catch (IOException e) {
                e.printStackTrace(System.err);
            }
        }
        try {
            outputFile.close();
        } catch (IOException e) {
            e.printStackTrace(System.err);
        }
    }
}