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


public class NioTest1{
	public static void method1(){
 RandomAccessFile aFile = null;
 try{
 aFile = new RandomAccessFile("./test","rw");
 FileChannel fileChannel = aFile.getChannel();
 ByteBuffer buf = ByteBuffer.allocate(1024);
 
 int bytesRead = fileChannel.read(buf);
 System.out.println(bytesRead);
 
 while(bytesRead != -1)
 {
 buf.flip();
 while(buf.hasRemaining())
 {
 System.out.print((char)buf.get());
 }
 
 buf.compact();
 bytesRead = fileChannel.read(buf);
 }
 }catch (IOException e){
 e.printStackTrace();
 }finally{
 try{
 if(aFile != null){
 aFile.close();
 }
 }catch (IOException e){
 e.printStackTrace();
 }
 }
 }
	
	public static void main(String[] args){
	 method1();
	}
}